My Roomba was behaving as if it was pressed against something, would only go backwards and go in circles. I took the entire thing apart, cleaned all of the contacts, and reassembled it. Now it works perfectly. Excellent video.
My s9 is plagued with the error 31. I read that doing a deep clean of the connectors can help. My troubleshooting led me to think my issue was in the bumper. Thanks to your video, I was able to remove the bumper and dust it pretty well with a compressed air canister. What I was looking for was hidden wire bundles during the disassembly and you pointed them out every time, so I didn't rip them apart so thank you! Robot seems to be working better now. FYI your time stamps are a little off but thank you for providing them and the bumper is definitely in the front of the robot, you label it as "rear bumper".
Merci beaucoup, vous m’avez sauvé mon S9. Un grand merci à votre patiente pour les explications détaillées. Tellement difficile de retirer le pare-choc
Thank you bro 🙏 searched for a solution on a permanent 31 error. Changed over the whole bumper from my other s9 and it worked! Going to order a second hand bumper 👍
Thank you for this! iRobot sent me the wrong instructions and given they wanted me to fix this myself, I instantly brought up your video and went to town. I had to take the top off 3 times because I kept forgetting to do something, and the third time, go to so fed up, I ended up breaking the connector on the board. Doh! I'm hoping iRobot will either send a replacement board or let me buy it. Though, I might try my hand at surface mount soldering.
10:35 great advice to not remove the hinge axel and spring. Would have been great to provide that advice during the *disassembly* instructions. Made my reassembly about 8,000 times harder than it needed to be. 😢 (and to those who dont have an extra 4hrs to kill futzing with the hinge axel and spring: dont worry, it runs just fine without it. Just remove the spring and sleeve and reassemble the hinge arm and axel in the device before reattaching the cover plate.)
Watching you can clearly see me not remove the Axle and spring during disassembly...Sorry it wasnt verbalized for you. These are one-take unedited videos to provide help , so they aren't always perfect.
So i have this unit and am receiving an error 9 message on the app. I just did everything in this video to take it apart and bend out the metal springs a bit thinking that may be the issue. Once i reassembled it's still doing the death spin. Should i just replace the front bumper entirely or is there something else i should be doing? Unit is just over a year old (just out of warranty) so surgery on it is entirely acceptable with me.
Bumper assembly would be first thing to replace. If you replace with known and tested working bumper and it still doesn't solve the issue, it's most likely a motherboard issue.
I ordered a replacement bumper assembly but the male connector is different. Has anyone had this problem or is there a difference in an S9 and S9+ bumper assembly?
I have a s9 with a failed bumper sensor. Based on your video, it appears the sensors are housed in the bumper itself (the part replaced). Is that correct? I have another s9 bumper to swap in, but I don't want to go through the effort of doing so if the sensors are located elsewhere (like on the board). I appreciate any help you can provide!
Seems like this was answered in another thread, but do you have any suggestions for a faulty motherboard? My S9 will say it’s unable to connect after countless reboots and factory resets. Seems like I’m SOL.
How would you know the bumper needs to be replaced? The bumper looks fine and it moves freely, but I get the error that it need to be unstuck. I’m going to just take it apart and put it back and hope it works. Lol
Most likely one of the magnetic sensors are bad if the bumper moves freely, but still experiences that error. If the bumper is replaced and the issue persists, it's most likely the main board at that point.
While replacing the motherboard in mine, the bottom left 5 wire pin let go of all 5 wires and I could use help with the order to replace them in the pin correctly once again. Greatly appreciated if someone could share.
That code is for a stuck bumper. If your bumper is moving freely, the hall effect bumper sensors are not working properly either from a malfunction or one of the magnets may have something magnetized to them that doesn't belong.
The problem youll run into with just replacing the motherboard, is that you can't replace it with any other working S9 motherboard and have it work correctly (unless they are on the exact same firmware). The software updates will make boards and bot incompatible with each other, so youd have to find another motherboard that is on the exact same firmware.
@@brobots240 Thanks for the response. Good thing I didn't buy one. My S9 has been acting up doing some really spazzy glitchy movements. I'd like to fix it but I'm not sure what to replace. The motherboard just made sense to me but I don't think I'll be buying one now.
@@brobots240 I tried cleaning everything and also replaced the wheels...lol I have videos of it acting up, would there be a way I could send them to you and you give me a guess as to what I could replace next?
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My Roomba was behaving as if it was pressed against something, would only go backwards and go in circles. I took the entire thing apart, cleaned all of the contacts, and reassembled it. Now it works perfectly.
Excellent video.
I’m having the same exact issues. Did you clean all sensors and front bumper? Or pretty much everything inside the robot?
My s9 is plagued with the error 31. I read that doing a deep clean of the connectors can help. My troubleshooting led me to think my issue was in the bumper.
Thanks to your video, I was able to remove the bumper and dust it pretty well with a compressed air canister. What I was looking for was hidden wire bundles during the disassembly and you pointed them out every time, so I didn't rip them apart so thank you!
Robot seems to be working better now.
FYI your time stamps are a little off but thank you for providing them and the bumper is definitely in the front of the robot, you label it as "rear bumper".
You’re my wife’s hero for helping me get to the final 10% of this repair. Thank you!!
Merci beaucoup, vous m’avez sauvé mon S9. Un grand merci à votre patiente pour les explications détaillées. Tellement difficile de retirer le pare-choc
Thank you bro 🙏 searched for a solution on a permanent 31 error. Changed over the whole bumper from my other s9 and it worked! Going to order a second hand bumper 👍
Thank you for this!
iRobot sent me the wrong instructions and given they wanted me to fix this myself, I instantly brought up your video and went to town. I had to take the top off 3 times because I kept forgetting to do something, and the third time, go to so fed up, I ended up breaking the connector on the board. Doh! I'm hoping iRobot will either send a replacement board or let me buy it. Though, I might try my hand at surface mount soldering.
Excellent video. Very detailed...one of the best I've seen. Thank you!
Thank you for saving my little Spot with this video
I need a video to replace the sensors
10:35 great advice to not remove the hinge axel and spring. Would have been great to provide that advice during the *disassembly* instructions. Made my reassembly about 8,000 times harder than it needed to be. 😢 (and to those who dont have an extra 4hrs to kill futzing with the hinge axel and spring: dont worry, it runs just fine without it. Just remove the spring and sleeve and reassemble the hinge arm and axel in the device before reattaching the cover plate.)
Watching you can clearly see me not remove the Axle and spring during disassembly...Sorry it wasnt verbalized for you. These are one-take unedited videos to provide help , so they aren't always perfect.
only a matter of time until I need this video!! Thanks for posting 🙂
I have uses undocking. It seems my sensors are dirty. Any solution. Ive only had it 1 year and cant clean inside the sensors
Well done ... nice step by step .. you made it look easy .. Cheers, John
My S9 thinks the bin is not installed. Can you share any info on how the bin sensor work and where they are located in the S9?
So i have this unit and am receiving an error 9 message on the app. I just did everything in this video to take it apart and bend out the metal springs a bit thinking that may be the issue. Once i reassembled it's still doing the death spin. Should i just replace the front bumper entirely or is there something else i should be doing? Unit is just over a year old (just out of warranty) so surgery on it is entirely acceptable with me.
I have the tap bumper to unstick error but the bumper moves free and there isn’t any debris so probably a bumper assembly?
Bumper assembly would be first thing to replace. If you replace with known and tested working bumper and it still doesn't solve the issue, it's most likely a motherboard issue.
@@brobots240 copy. I have to start somewhere I guess. I hope I don’t replace the motherboard
A+ video. Thank you.
I ordered a replacement bumper assembly but the male connector is different. Has anyone had this problem or is there a difference in an S9 and S9+ bumper assembly?
There is no difference in s9 s9+. But irobot makes rolling changes throughout production and sometimes things like that will be changed
Same issue
Any ideas where I can locate a new bumper assembly? Irobot does not sell this part.
Ebay or stores like that
@bRobots - where can I find a new/replacement bumper. It will be great if you are able to share a link.
You can only get then second hand on ebay or similar sites
I have a s9 with a failed bumper sensor. Based on your video, it appears the sensors are housed in the bumper itself (the part replaced). Is that correct? I have another s9 bumper to swap in, but I don't want to go through the effort of doing so if the sensors are located elsewhere (like on the board). I appreciate any help you can provide!
Thanks so much for your video very helpful but just one question do you know where can I find and buy a new bumper ? 😊
Seems like this was answered in another thread, but do you have any suggestions for a faulty motherboard? My S9 will say it’s unable to connect after countless reboots and factory resets. Seems like I’m SOL.
How would you know the bumper needs to be replaced? The bumper looks fine and it moves freely, but I get the error that it need to be unstuck. I’m going to just take it apart and put it back and hope it works. Lol
Most likely one of the magnetic sensors are bad if the bumper moves freely, but still experiences that error. If the bumper is replaced and the issue persists, it's most likely the main board at that point.
@@chin_mifen There are no "bumper switches" on the S9 to get stuck like other iRobots...The S9 uses magnetic Hall Effect Sensors.
@@brobots240 mine does the same, did you find a solution to the error 9?
While replacing the motherboard in mine, the bottom left 5 wire pin let go of all 5 wires and I could use help with the order to replace them in the pin correctly once again. Greatly appreciated if someone could share.
How do you fix error 31?
S9 error code number 9. Would you by chance know how to fix it
That code is for a stuck bumper. If your bumper is moving freely, the hall effect bumper sensors are not working properly either from a malfunction or one of the magnets may have something magnetized to them that doesn't belong.
Do a video on how to replace the motherboard please!
The problem youll run into with just replacing the motherboard, is that you can't replace it with any other working S9 motherboard and have it work correctly (unless they are on the exact same firmware). The software updates will make boards and bot incompatible with each other, so youd have to find another motherboard that is on the exact same firmware.
@@brobots240 Thanks for the response. Good thing I didn't buy one. My S9 has been acting up doing some really spazzy glitchy movements. I'd like to fix it but I'm not sure what to replace. The motherboard just made sense to me but I don't think I'll be buying one now.
@TheBuddyboy24 I would check and clean the cliff sensors. If it still does it after that, it could be a wheel
@@brobots240 I tried cleaning everything and also replaced the wheels...lol I have videos of it acting up, would there be a way I could send them to you and you give me a guess as to what I could replace next?
not a rear bumper
Nope
Go figure the glued the front bumper connector on mine
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