Thank you for making this video. Rinnai should have this in the manual. I was quoted $400 for a service call and a 6 week wait time. After watching the video it took me 15 minutes and I had about 25 moths in the fan cage. Once removed the problem was solved and the unit is much more quiet when it runs.
Finally got it fixed . We were ready to rip it out. Your video was my last try. The fan was full of stink bugs. First time in 2 years it has run for 20 min without alarm and cold water. Thank you.
Like all the other comments, I simply can’t say thank you enough. After 6+ months of intermittent cold water, 4 service calls (with 2 companies and 4 technicians) and zero fixes, I was literally minutes from ordering another heater. I saw this video and found my fan had debris. After clearing and cleaning it we’ve had about 10 days with no issues. I’m declaring a victory. Thanks a million!!!!
I have saved this video as one of my favorites. Ran into the code 10 issue twice in the 5 years. I followed the exact steps listed in this video, to clean the fan motor and put it back, and this did the trick. Great job putting this video and thanks for helping others.
Thanks! I had to clean my unit again this past week after getting cold showers again and another Code 10! I opened the fan to find 2 dehydrated red wasps looking for a new home many weeks ago! Problem solved.
My R94 LS is 10 yrs old..... installed in Hackensack MN. It has been a problem for 6 yrs...... a REAL problem for 3. Rinnai was of no help. I am rural and there are no dealers within 90 miles. My unit had gotten really loud. As you suggested I pulled my fan assembly today. It was full of dried bug juice and the fins were caked with dried bug guts and partially blocked. I pulled the assembly, blew it out then separated the blower motor from the housing. Took 40 mins using dawn soap and glass cleaner to get it 95% clean. Then I cleaned the intake just before the fan, and wiped out the exhaust area just above the fan. Put it back together, total time an hr. It runs so quiet now I can't believe it! Just took a longgggggg... hot shower. No Code 10. Thanks for your help.
So glad to hear! It took me a while to before I made this discovery myself back in 2018. I just re-followed my procedure from 2 years ago as I was starting to see the issue again and I indeed had a few moths in it and that is all it took to stop the heat buildup and error code 10.
OMG thank you!!! I called a plumber and they wanted $1,200 to flush and clean out the bugs from my water heater. Told me is was very detailed work. What jerks. You rock sir!
I watched both of your videos and attempted to fix the problem. I thought to myself "I really hope I have bugs in my fan" . . . This way I would be able to fix it. Your video saved me big $$$$$. I was able to pull out the fan and voila! A crusted on honey bee AND a lot of dust was all over the fan. I scraped off the honey bee and took a toothbrush and cleaned the fins of the fan. HELPFUL TIP #1: The plastic connector on the fan is difficult to pull apart. I decided to leave it connected. I saw another video (someone else) where they broke the tabs on it. TIP#2. Use a Sharpie to write 1, 2 and 3 on the three connectors TIP #3 Use a Sharpie and draw an up arrow on the fan before you remove it. There is only one way put it back on, but this makes it a little bit easier.
I just found this video as I was experiencing the same problem with a code 10 error and "cold sandwiches" after about 10 minutes of turning on the hot water. Plus I had done all the other things trying to fix this problem. I took the fan out and found debris and lint from the dryer vent which was too close to the intake vent of the Rinnai Water heater. Not only that, I had sunflower shells from our bird feeder in the fins as well as all kinds of other debris. I'm assuming the wind blew the shells into the vent. I cleaned it all out and blew out the fins with an air compressor and have not had a problem since. Plus, the heater is now quiet as I don't hear a thing anymore. I did move the dryer vent a long way away from the water heater intake valve as well as the bird feeder. Thank you for posting the video. It's been months of problem free hot water.
Have an older RL 75, about 12 yrs, not a problem till this year, error code 10 kept coming up, cleaned out my vent, still getting a code. Now living in a rural area, pretty much means your screwed getting anyone competent to work on it, so I turned too RUclips alot, lol, for alot of things. My units fan is rotated 90deg and it's wiring is different, but man you put me on the path. I was able too find out how to complete the repair, found a cricket blender in the process, yuck, and have enjoyed error free days since. Probably saved a ton of money also. Thanks for taking the time. John Mentone, AL
I have a 75 model and the fan is in a different position to the one shown in the video. It's about 11 years old. Code 10 for the first time. This video is a lifesaver!!!
@John Foreman, I have the same problem, an older unit with the exhaust fan assembly perpendicular to the access panel, rather than the newer ones that smartly mounted in-line for easier removal. How did you get yours out to clean it? I took a look at mine today and confirmed it has indeed turned into a cricket garbage disposal but accessing the mounts to remove looked nearly impossible. Can you share some insight? Also, thanks to @Parker Smith for the excellent video and guidance!
Did mine about 3 years ago and had to do it again yesterday. Very little trash in the fan but cleaning it did the trick. On the 3 connectors shown at 1:10 in the video, I took a sharpie pen and numbered them 1, 2, and 3 to make sure I put them back in the correct plug.
I can't say thank you enough! I started having the same problem about 3 weeks ago. I became the master of the 3 minute showers. I was afraid that I would have to call a plumber and spend no telling how much money, but after watching this video, I was able to do it myself and I'm not very handy at all. It was a fairly simple procedure. The hardest part was navigating through those 1000 wires that are in the unit, and then making sure you didn't drop one of the screws. My unit is under my house, so this would have been a whole lot easier if my water heater was in the garage. Thank you for this video!
Thank you, Thank you, for posting this video. Mine is an RL75s and we had precisely the same symptoms and as it turns out, the same problems, moths and dust in the fan housing. Thanks to your video it was a simple fix and saved me hundreds in a service call.
Thank you so much for this thorough video! I’m not a handy guy at all. But by watching you carefully show me the connectors to unhook and the screws to remove, I nervously tackled this project. Wow. Easy peasy. Mine wasn’t caked up too bad. I actually had a few dead wasps attached to the inside of the fan. Enough to cause drag or unbalance I guess. My first ‘code 10’ and cold shower was last night after 5 straight years of flawless service from my Rinnai. Hopefully my first is my last. Thanks again!
I have been fighting this issue with my unit for over 2 years. I knew it was an issue with air flow, but this was the first time I was able to figure out where the obstruction was. After taking it apart, my unit looked to have the exact same number of dead months as the unit in the video. Thank you so much or posting this!
Thanks! I thought I had a totally different issue and took everything apart, but I did use your advice and pull the fan. There was a huge amount of bees and moths in there! Not sure if that’s what fixed it but its working now!
Long story but it may help just one other person. I watched your video and happy that you described exactly how mine was suddenly acting. Just before I removed the fan, I decided to close up everything outside for the night. When I checked to make sure our outdoor shower was turned off I noticed that both the hot and cold valves were on with the dog wash nozzle closed, which made an open loop from the hot to the cold. The cold water had to be blending back though all my hot water pipes. (I did the plumbing on the shower myself years ago with just ball valves knowing I always just turn on the hot). Never thought about that scenario. I’ll correct that goofy plumbing sometime.
Thank you so much! I was about to disassemble my exhaust until I watched this. It fixed the problem and quieted it down tremendously. There were about 6 wasps in mine.
Dont know if you guys cares but if you guys are stoned like me atm then you can stream pretty much all the new movies and series on Instaflixxer. I've been watching with my brother for the last few months xD
Spot on! Thanks for the video, my fan was in fact dirty. I used hvac coil cleaner since I had it on the shelf and a small nylon brush to clean the squirrel cage rinsed it off reassembled and it works perfectly now. Thanks again!
Thank you for this video. Moths and elm seeds were the culprit. 10 code would not alarm in the cool of the very early morning but once the temp increased some...beep beep beep from the heater and the person in the shower.
First off, thank you for sharing this with us. I have been dealing with this issue for 6-7 years, having multiple techs out and being GOUGED from anywhere from $150-$450 each time and had a couple of unscrupulous techs try to say it would cost $1000 or MORE to resolve the problem. This seems to be an inherent issue with the Rinnai but that seems to be overlooked. So how much money are we saving yearly if we have to pay a tech to service yearly plus service calls? I am looking at going back to a regular hot water heater, but I have had some of those unscrupulous techs say it would be thousands of dollars to re-vent, which I now know is bs. Definitely a design flaw but Rinnai is taking no responsibility for this. Thank goodness for RUclips !!
Thank you! This error was driving us nuts and plumbers were useless. So easy to fix once you know. The spacing between the blades is so small easy for this to get clogged. Im adding this to my yearly maintenance.
Thank you very much for sharing! Been looking for a vid like this for years. Fixed my problem. Like yours, fan had dead moths, bugs, even a piece of fiberglass pink insulation! Cleaned the squirrel cage blades and it runs so quiet now. Thinking I might put some aluminum mosquito netting on intake to help with the problem. I also had a broken corroded wire leading to a sensor on right side of burner housing, which probably added to my code 10 problem. I fixed that first and used it for a couple days before cleaning fan blades to make sure code 10 went away and it did.
Same issue. I cleaned the fan several times, always fixed it for a couple months. Now, clean fan and error 10 is thrown every shower. I'm thinking the heat exchanger needs to be exposed and cleaned. Removing it looks like it involves breaking seals between the pieces. :(
I have a Rinnai Model C85i-0 and its running thru an ecologix mixing box. My heat doesn't seem to be working, but when I turn on the hot water the Rinnai fires up and makes hot water. So, I'm trying to figure out why my heat doesn't seem to want to start. The thermostat is calling for heat
Thanks. Does anyone know the screw size of the 4 mounting screws. Lost one They aren’t #8 sheet metal and I can’t find a metric screw with that aggressive thread
This worked for me too. Wheel did not look that bad but it was enough to create the fault. Clean under the sink and it was back in running in no time. 10-15 minutes tops
I cleaned my fan and as I was putting it back in, the squirrel cage seems to have gotten bent or twerked a bit. Now it is making a lot of noise. Any idea on how to straighten the fan blades back out to cut down on the noise?
Question: I have a Rinnai RV53e tankless heater that mysteriously quit working last night. The controller in the bathroom has no power to it. I checked the unit with a multimeter and the electrical outlet that feeds it has power but for some odd reason I cannot get it to come back on. Would you happen to know if my unit has a fuse that needs to be replacing? If that doesn’t work the only thing else I can figure is it might be the PCB board. Can you please help?
I do not know what this could be and I don’t recall seeing a fuse inside mine. There could be one though. Probably need to call Rinnai. That is what I initially did and they gave me the reasoning behind the the diagnostic code that I was getting. Call Rinnai Customer Support @ 1-800-621-9419 and they will probably give you some good advise.
Thanks for Excellent details and steps. I have same problem I check my fan super clean there was small air quality Sensor inside the fan I clean that also clean the duck still getting a code 10. Finally I replace the fan with the small air sensor. Still getting code 10 . That’s lead me two option. 1- Clean the inside the heat chamber which’s lot of opening. 2- Two to check while taking a shower in one particular bathroom tripped with error code 10. So my investigation lead me to the shower I open the shower Handel remove the Water balance in cartridges replace the cartridge. The function of this cartridge is to balance the hot water with the cold water and the water heater sense it’s too hot is shut down and giving code 10. This $22 Koehler cartridge solve my nightmare!!
We have the same unit and it's been nothing but problems. We had a bad main board which took a bunch of sensors with it; then sensors started dying one by one after it was replaced (each one causing us to lose hot water until turning it off and back on again). Now we are getting Error 10, so it makes me believe there has always been a blockage and it's been overheating; or the blower is dying (The one thing they haven't replaced yet aside from the other motorized parts and valves)..
Great video.I have a RUC80 and not getting the 10 error code with shower going cold but I am getting cold bathroom SINK water after shaving for about 3 minutes requiring turning the hot on and off then waiting to reset the system. I've flushed it once after 2-1/2 years of use and am about to flush it again (that will make twice in 5 years). Would it be worth the work to take mine apart and remove the fan to try this fix?
Mines stopped working the screen won't even work now it's just making a noise mines is old and e serious but just happened last night so what do you thinki should do
Had the same issue but only found one moth and one lady bug in the fan blades. Cleaned them out and took a toothbrush to the blades just in case. Problem solved !!
I have completely cleaned the exhaust multiple times over and I still get error code 10. I replaced the exhaust fan, still get error code 10. Checked all seals, everything is fine. Dip switch settings are correct. I have had multiple plumber's opinions say they can not fix it. I am at my wits end with this damn product.
Ian Konrad you need to check your exhaust for blockage. Error code 10 is from an excessive buildup of heat inside the combustion chamber. Bugs, debris, bird or rats nest could be a problem.
@@ParkerSmithIII Cleaned it dozens of times. Turns out it was a slightly bent fan blade from the factory that was imparting resistance on the fan motor tricking it to think it wasn't getting enough fresh air. After a warranty claim replaced the whole fan assembly again, it runs beautifully. Took a dedicated appliance repairman and his trusty oscilloscope to discover the fan was not outputting the proper voltage/signal when under load. Thanks!
Absolutely awesome that u share this experience with us! I have rinnai 50HD in McDonald's and have absolutely same issue and i fix it! Send me the card number u just earned a 6 pack man
Thanks for the video. Found 3 moths stuck in mine an cleaned them out. You probably just saved me a several hundred dollar service call. Thanks.
Thank you for making this video. Rinnai should have this in the manual. I was quoted $400 for a service call and a 6 week wait time. After watching the video it took me 15 minutes and I had about 25 moths in the fan cage. Once removed the problem was solved and the unit is much more quiet when it runs.
I just cleaned out all the debris for my 2015 RL94 today, May 16 2022, and all is well so far. Thank you for posting.
Glad it helped
Finally got it fixed . We were ready to rip it out. Your video was my last try.
The fan was full of stink bugs.
First time in 2 years it has run for 20 min without alarm and cold water.
Thank you.
Like all the other comments, I simply can’t say thank you enough. After 6+ months of intermittent cold water, 4 service calls (with 2 companies and 4 technicians) and zero fixes, I was literally minutes from ordering another heater. I saw this video and found my fan had debris. After clearing and cleaning it we’ve had about 10 days with no issues. I’m declaring a victory. Thanks a million!!!!
Glad to hear!
I have saved this video as one of my favorites. Ran into the code 10 issue twice in the 5 years. I followed the exact steps listed in this video, to clean the fan motor and put it back, and this did the trick. Great job putting this video and thanks for helping others.
Thanks! I had to clean my unit again this past week after getting cold showers again and another Code 10! I opened the fan to find 2 dehydrated red wasps looking for a new home many weeks ago! Problem solved.
My R94 LS is 10 yrs old..... installed in Hackensack MN. It has been a problem for 6 yrs...... a REAL problem for 3. Rinnai was of no help. I am rural and there are no dealers within 90 miles. My unit had gotten really loud. As you suggested I pulled my fan assembly today. It was full of dried bug juice and the fins were caked with dried bug guts and partially blocked. I pulled the assembly, blew it out then separated the blower motor from the housing. Took 40 mins using dawn soap and glass cleaner to get it 95% clean. Then I cleaned the intake just before the fan, and wiped out the exhaust area just above the fan. Put it back together, total time an hr. It runs so quiet now I can't believe it! Just took a longgggggg... hot shower. No Code 10. Thanks for your help.
So glad to hear! It took me a while to before I made this discovery myself back in 2018. I just re-followed my procedure from 2 years ago as I was starting to see the issue again and I indeed had a few moths in it and that is all it took to stop the heat buildup and error code 10.
OMG thank you!!! I called a plumber and they wanted $1,200 to flush and clean out the bugs from my water heater. Told me is was very detailed work. What jerks. You rock sir!
I watched both of your videos and attempted to fix the problem. I thought to myself "I really hope I have bugs in my fan" . . . This way I would be able to fix it. Your video saved me big $$$$$. I was able to pull out the fan and voila! A crusted on honey bee AND a lot of dust was all over the fan. I scraped off the honey bee and took a toothbrush and cleaned the fins of the fan. HELPFUL TIP #1: The plastic connector on the fan is difficult to pull apart. I decided to leave it connected. I saw another video (someone else) where they broke the tabs on it. TIP#2. Use a Sharpie to write 1, 2 and 3 on the three connectors TIP #3 Use a Sharpie and draw an up arrow on the fan before you remove it. There is only one way put it back on, but this makes it a little bit easier.
Glad to hear all of this and I second all of your comments! Glad to help.
I just found this video as I was experiencing the same problem with a code 10 error and "cold sandwiches" after about 10 minutes of turning on the hot water. Plus I had done all the other things trying to fix this problem. I took the fan out and found debris and lint from the dryer vent which was too close to the intake vent of the Rinnai Water heater. Not only that, I had sunflower shells from our bird feeder in the fins as well as all kinds of other debris. I'm assuming the wind blew the shells into the vent. I cleaned it all out and blew out the fins with an air compressor and have not had a problem since. Plus, the heater is now quiet as I don't hear a thing anymore. I did move the dryer vent a long way away from the water heater intake valve as well as the bird feeder. Thank you for posting the video. It's been months of problem free hot water.
Sounds familier! Glad to help!
We panicked thinking our system was dying then found this video. Turned out the house painters had taped over the exhaust. Phew! Thanks for posting.
Saved me a service call!! Two dead flys in the wheel🤦♀️ thank you!!
Have an older RL 75, about 12 yrs, not a problem till this year, error code 10 kept coming up, cleaned out my vent, still getting a code. Now living in a rural area, pretty much means your screwed getting anyone competent to work on it, so I turned too RUclips alot, lol, for alot of things. My units fan is rotated 90deg and it's wiring is different, but man you put me on the path. I was able too find out how to complete the repair, found a cricket blender in the process, yuck, and have enjoyed error free days since. Probably saved a ton of money also. Thanks for taking the time. John Mentone, AL
Glad to provide some positive guidance!
I have a 75 model and the fan is in a different position to the one shown in the video. It's about 11 years old. Code 10 for the first time. This video is a lifesaver!!!
@John Foreman, I have the same problem, an older unit with the exhaust fan assembly perpendicular to the access panel, rather than the newer ones that smartly mounted in-line for easier removal. How did you get yours out to clean it? I took a look at mine today and confirmed it has indeed turned into a cricket garbage disposal but accessing the mounts to remove looked nearly impossible. Can you share some insight?
Also, thanks to @Parker Smith for the excellent video and guidance!
Did mine about 3 years ago and had to do it again yesterday. Very little trash in the fan but cleaning it did the trick. On the 3 connectors shown at 1:10 in the video, I took a sharpie pen and numbered them 1, 2, and 3 to make sure I put them back in the correct plug.
i think the just a few inches above where the connectors are markings R(ed), B(lue), and Y(ellow)
You just saved me so much money. I was ready to get a new water heater. Working like it’s brand new, thank you so so much
Glad to help! I was in the same boat before this discovery a few years ago.
I can't say thank you enough! I started having the same problem about 3 weeks ago. I became the master of the 3 minute showers. I was afraid that I would have to call a plumber and spend no telling how much money, but after watching this video, I was able to do it myself and I'm not very handy at all. It was a fairly simple procedure. The hardest part was navigating through those 1000 wires that are in the unit, and then making sure you didn't drop one of the screws. My unit is under my house, so this would have been a whole lot easier if my water heater was in the garage. Thank you for this video!
Glad to help! The power of RUclips!
Thank you, Thank you, for posting this video. Mine is an RL75s and we had precisely the same symptoms and as it turns out, the same problems, moths and dust in the fan housing. Thanks to your video it was a simple fix and saved me hundreds in a service call.
Great to hear!
Thank you so much for this thorough video! I’m not a handy guy at all. But by watching you carefully show me the connectors to unhook and the screws to remove, I nervously tackled this project. Wow. Easy peasy. Mine wasn’t caked up too bad. I actually had a few dead wasps attached to the inside of the fan. Enough to cause drag or unbalance I guess. My first ‘code 10’ and cold shower was last night after 5 straight years of flawless service from my Rinnai. Hopefully my first is my last. Thanks again!
I have been fighting this issue with my unit for over 2 years. I knew it was an issue with air flow, but this was the first time I was able to figure out where the obstruction was. After taking it apart, my unit looked to have the exact same number of dead months as the unit in the video.
Thank you so much or posting this!
Thanks! I thought I had a totally different issue and took everything apart, but I did use your advice and pull the fan. There was a huge amount of bees and moths in there! Not sure if that’s what fixed it but its working now!
Worked perfectly, runs a lot quieter and doesn’t error out now! Everything was just as you said. Thanks a million!
Long story but it may help just one other person.
I watched your video and happy that you described exactly how mine was suddenly acting. Just before I removed the fan, I decided to close up everything outside for the night. When I checked to make sure our outdoor shower was turned off I noticed that both the hot and cold valves were on with the dog wash nozzle closed, which made an open loop from the hot to the cold. The cold water had to be blending back though all my hot water pipes. (I did the plumbing on the shower myself years ago with just ball valves knowing I always just turn on the hot). Never thought about that scenario. I’ll correct that goofy plumbing sometime.
This resolved my Rinnai problem entirely. Clear the mots out of the fan and all is well. Excellent work.
Glad to help!
Thank you so much! I was about to disassemble my exhaust until I watched this. It fixed the problem and quieted it down tremendously. There were about 6 wasps in mine.
Cool! I don't understand why Rinnai didn't simply engineer a handy intake filter pre-squirrel cage fan! Thanks for posting!
That would make sense, wouldn't it? It is exposed to the elements.
Thank you! Code 10 is gone after cleaning the fan. All true - There was a lot of debris, dust, dirt and dead moths.
Dont know if you guys cares but if you guys are stoned like me atm then you can stream pretty much all the new movies and series on Instaflixxer. I've been watching with my brother for the last few months xD
@Mathias Case yup, I have been watching on InstaFlixxer for since november myself :D
Spot on! Thanks for the video, my fan was in fact dirty. I used hvac coil cleaner since I had it on the shelf and a small nylon brush to clean the squirrel cage rinsed it off reassembled and it works perfectly now. Thanks again!
Thank you for this video. Moths and elm seeds were the culprit. 10 code would not alarm in the cool of the very early morning but once the temp increased some...beep beep beep from the heater and the person in the shower.
My hat is off to you Parker!! I suffered from the same problem with the same system and your solution did the trick. Thank you!!
Jim Bynum glad to help.
Thanks for a very insightful and clear video. This corrected the exact issue and now works like new
You're welcome!
First off, thank you for sharing this with us. I have been dealing with this issue for 6-7 years, having multiple techs out and being GOUGED from anywhere from $150-$450 each time and had a couple of unscrupulous techs try to say it would cost $1000 or MORE to resolve the problem. This seems to be an inherent issue with the Rinnai but that seems to be overlooked. So how much money are we saving yearly if we have to pay a tech to service yearly plus service calls? I am looking at going back to a regular hot water heater, but I have had some of those unscrupulous techs say it would be thousands of dollars to re-vent, which I now know is bs. Definitely a design flaw but Rinnai is taking no responsibility for this. Thank goodness for RUclips !!
Thank you! This was exactly the solution we needed and was so easy to follow. Thank you so much for taking the time to share this!
Did a fix over the phone to a cousin. He eventually got code 10. LOL, they got their place painted today so the vent was taped shut.
I’ll just add to the other comments that I have the same problem and I’m hopeful I can do this fix. Thank you!!!!
I bet you have already done it by now. Not too hard. Hopefully it fixes your issue.
Thank you! This error was driving us nuts and plumbers were useless. So easy to fix once you know. The spacing between the blades is so small easy for this to get clogged. Im adding this to my yearly maintenance.
Thanks so much! I came back from college and my parents had this same issue and code. I was able to fix it quickly
Great to hear!
Thank you! Exhaust blockage was exactly what it was for my error code 10.
I just did the flush on our water heater last week but I wasn’t sure on how to get to the fan. Thanks for sharing the video!!!👍🏼👍🏼🙏🏼
Fixed mine thanks for the video. I have been dealing with this way to long.
Thank you very much for sharing! Been looking for a vid like this for years. Fixed my problem. Like yours, fan had dead moths, bugs, even a piece of fiberglass pink insulation! Cleaned the squirrel cage blades and it runs so quiet now. Thinking I might put some aluminum mosquito netting on intake to help with the problem. I also had a broken corroded wire leading to a sensor on right side of burner housing, which probably added to my code 10 problem. I fixed that first and used it for a couple days before cleaning fan blades to make sure code 10 went away and it did.
Greg C has to help and pay it forward.
Thank you so darn much for this video! Were using that same unit at the farm and am sure thats the same problem were having with ours. Great job!
You're the man! Thank you. I now have a Saturday project.
Seems to have fixed mine! Nice work!
Thanks. Just fixed mine as well. Same exact issue with moths
Thank you so very much.
This totally worked! Thanks for putting this up!!!
Also, everyone should remember to flush them with white vinegar quarterly as well.
Thanks a million Parker!
My problem also. Thanks for the video!
Glad to help
Thank you for this video you saved me a ton of money!
Glad to help!
Same issue. I cleaned the fan several times, always fixed it for a couple months. Now, clean fan and error 10 is thrown every shower.
I'm thinking the heat exchanger needs to be exposed and cleaned. Removing it looks like it involves breaking seals between the pieces. :(
I have a Rinnai Model C85i-0 and its running thru an ecologix mixing box. My heat doesn't seem to be working, but when I turn on the hot water the Rinnai fires up and makes hot water. So, I'm trying to figure out why my heat doesn't seem to want to start. The thermostat is calling for heat
Thank you Parker Smith!
Thanks. Does anyone know the screw size of the 4 mounting screws. Lost one
They aren’t #8 sheet metal and I can’t find a metric screw with that aggressive thread
Sorry, I don’t know.
This worked for me too. Wheel did not look that bad but it was enough to create the fault. Clean under the sink and it was back in running in no time. 10-15 minutes tops
All fixed, thanks !!
Thanks for the info... this did the trick for me so far so good no code 10!
You sir are a Saint 💪🍻❤🔥💵
This was exactly my problem. I owe you a beer Parker.
I cleaned my fan and as I was putting it back in, the squirrel cage seems to have gotten bent or twerked a bit. Now it is making a lot of noise. Any idea on how to straighten the fan blades back out to cut down on the noise?
Question:
I have a Rinnai RV53e tankless heater that mysteriously quit working last night. The controller in the bathroom has no power to it. I checked the unit with a multimeter and the electrical outlet that feeds it has power but for some odd reason I cannot get it to come back on. Would you happen to know if my unit has a fuse that needs to be replacing? If that doesn’t work the only thing else I can figure is it might be the PCB board. Can you please help?
I do not know what this could be and I don’t recall seeing a fuse inside mine. There could be one though. Probably need to call Rinnai. That is what I initially did and they gave me the reasoning behind the the diagnostic code that I was getting. Call Rinnai Customer Support @ 1-800-621-9419 and they will probably give you some good advise.
Thanks for Excellent details and steps. I have same problem I check my fan super clean there was small air quality Sensor inside the fan I clean that also clean the duck still getting a code 10.
Finally I replace the fan with the small air sensor. Still getting code 10 .
That’s lead me two option.
1- Clean the inside the heat chamber which’s lot of opening.
2- Two to check while taking a shower in one particular bathroom tripped with error code 10.
So my investigation lead me to the shower I open the shower Handel remove the Water balance in cartridges replace the cartridge.
The function of this cartridge is to balance the hot water with the cold water and the water heater sense it’s too hot is shut down and giving code 10.
This $22 Koehler cartridge solve my nightmare!!
We have the same unit and it's been nothing but problems. We had a bad main board which took a bunch of sensors with it; then sensors started dying one by one after it was replaced (each one causing us to lose hot water until turning it off and back on again). Now we are getting Error 10, so it makes me believe there has always been a blockage and it's been overheating; or the blower is dying (The one thing they haven't replaced yet aside from the other motorized parts and valves)..
That could be the culprit. Take it apart and see if it’s full of moths.
Great video.I have a RUC80 and not getting the 10 error code with shower going cold but I am getting cold bathroom SINK water after shaving for about 3 minutes requiring turning the hot on and off then waiting to reset the system. I've flushed it once after 2-1/2 years of use and am about to flush it again (that will make twice in 5 years). Would it be worth the work to take mine apart and remove the fan to try this fix?
Yes. Chances are good that is the issue. Pretty easy job.
Thanks. Saved my skin
Mines stopped working the screen won't even work now it's just making a noise mines is old and e serious but just happened last night so what do you thinki should do
derek lemire hope you figured it out. This is beyond me. I’m not a Rinnai professional, just a homeowner.
Had the same issue but only found one moth and one lady bug in the fan blades. Cleaned them out and took a toothbrush to the blades just in case. Problem solved !!
So a very small amount of debris was enough for the system to alarm?
I have completely cleaned the exhaust multiple times over and I still get error code 10. I replaced the exhaust fan, still get error code 10. Checked all seals, everything is fine. Dip switch settings are correct. I have had multiple plumber's opinions say they can not fix it. I am at my wits end with this damn product.
Ian Konrad you need to check your exhaust for blockage. Error code 10 is from an excessive buildup of heat inside the combustion chamber. Bugs, debris, bird or rats nest could be a problem.
@@ParkerSmithIII Cleaned it dozens of times. Turns out it was a slightly bent fan blade from the factory that was imparting resistance on the fan motor tricking it to think it wasn't getting enough fresh air. After a warranty claim replaced the whole fan assembly again, it runs beautifully.
Took a dedicated appliance repairman and his trusty oscilloscope to discover the fan was not outputting the proper voltage/signal when under load.
Thanks!
where did you get the new vent parts?
stan hankins I purchased the vent parts off of Amazon. Other than that, I did not replace any other parts. Just blew the bugs out.
Hello have you ever had trouble with the controller itself not coming on at all? R85 model
D rahming51 no
You just fixed my Rinnai. Are they still good heaters? Anyway thank you!
Ben Coes indeed. I think they are still the leading brand! We get a lot of use from a family of 5 with our RL94i
How do I record these videos or save into hard drive lol need to keep thos valuable info safe somewhere.
Just save the link: ruclips.net/video/zdy6aj7iOG4/видео.html
I know! Yeah I sold them!
The pitting that you had on one of pipes Was caused by Let troll asus Aluminum and steel does not like each other
Rite good point
This video help out great I did as you explained and he’ll yea it fixed it thanks.
Thanks for saving my marriage. Hot showers again! Woo hoo!!!
I get it. My wife and kids were not very happy either until this was fixed!
Absolutely awesome that u share this experience with us! I have rinnai 50HD in McDonald's and have absolutely same issue and i fix it! Send me the card number u just earned a 6 pack man
BriaCroTex great to hear. Paying it forward!
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