Trane Heat Pump Short Cycling No Heat

Here is a no heat call I ran today. The complaint was the condenser unit would short cycle. (Rapidly cut on and off) Check out what I found to be the cause.
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[@WhiteGS]

Boss level trouble shooting. Great find.

[@HVACinSC]

Thanks man!! 🤜🤛

[@fabianmaldonado2478]

*Works great **Fastly.Cool** compact and Easy to install*

[@HVACinSC]

Everything

[@jaciii9396]

Ran into the Trane cycling contactor today. Tried everything I could think of. Checked all the connectors, all the wires, found a voltage flutter at the timer delay board. Replaced it. Same shit. Was ready to cut the lines and roll it down a hill somewhere when I found your video. Checking the pressure switches for cracks tomorrow! Thanks for the tip!

[@billwiggins1125]

Technician knows how to troubleshoot.

[@TheRealBam8]

Exact issue I am having! Crack in the low pressure switch. Two days of pulling my hair out! Thank you!!!

[@bradmironik6137]

Great diagnostics overview. Glad you found the problem. I would never suspected a cracked lp switch to be the issue . Thanks for sharing.

[@HVACinSC]

Thank you and thanks for watching!

[@kendallfitzgerald8599]

Dang good job, and attention to detail

[@HVACinSC]

Thanks Kendall!

[@daviddelgado475]

Another winner for the video!im grateful because Lord willing im starting h ac school January and im trying to learn all these great tips to be more aware and think out of the box. Thank you again. And there are short and sweet.

[@HVACinSC]

That's awesome! Good luck to you and thanks for watching!

[@functionalvanconversion4284]

Great detective work! Thank you for sharing!

[@lonleyndn]

Bravo. "THAT" is why we are called Technicians.

[@RayRay-nb7tn]

Thank you for the heads up on that. Wouldn't think of that.

[@HVACinSC]

Thanks for watching Ray!

[@griffindog1ds]

Nice work, will put this one in the memory bank.

[@NorCal-refrigeration]

That’s a good one!!!! 👍👍

[@HVACinSC]

Thanks Dave! 🤜🤛

[@baylifehvac991]

Never seen that before. That’s some real troubleshooting right there

[@HVACinSC]

Thank you!

[@MrMultitool]

Thats some damn good troubleshooting right there! Good job!

[@HVACinSC]

Thanks Tony!

[@royabreu3627]

Iam a service techitian ,man i like your tact how close you went to find your peoblem,good job done

[@arthurcastillo8767]

Nice find..
Good eye..
Thanks buddy, really appreciate that tip…!

[@fighkb]

Good troubleshooting and good catch on the crack low pressure switch. 👍🏻

[@AKHVAC]

Well done Brad, great catch!

[@HVACinSC]

Thanks man!

[@azhvacr2332]

Nice job! Those are tricky and timely 👍🏼🤘🏼🤙🏼

[@HVACinSC]

Thanks! They certainly can be!

[@SoutheastHVAC]

Crazy. I found the same exact issue on a trane packaged unit.

[@OcRefrig]

Awesome Video ! NOw this is What you tube is good for too, Posting The Strange Finds can help alott of people out in the future. Thank you for Posting this Video !

[@HVACinSC]

Thank you and thanks for watching!

[@JuanTodoli]

Good catch! Thanks for posting.

[@ceeceethecat]

Always with the moisture with you 😹👍

[@HVACinSC]

I blame my Papa.. 😆😆😆😆

[@Alex-yk6he]

Oh wow very good find!

[@HVACinSC]

Thanks Alex!

[@MsFishingdog]

Great job.

[@HVACinSC]

Thanks

[@MrChipBryant]

Thank you for sharing your knowledge! Good job!

[@HVACinSC]

Thank you for watching!

[@UlisesPalacios]

Nice. Those wonderful lg compressors. 👍🏼

[@HVACinSC]

Oh yeah! 😉

[@jeffgrant6914]

Good troubleshooting video

[@chriseh09]

Great catch...thanks for sharing!!!

[@HVACinSC]

Thank you and thanks for watching!

[@bubbleseverywhere194]

Thanks for the video

[@gregmiracle9560]

Helluva a good find! Nice!

[@HVACinSC]

Thanks Greg!

[@jasonaguilar4929]

Dang thats a good find 👏🏾👏🏾👏🏾👏🏾👍🏾

[@MrG-hm7xs]

Nice work..thx for the tip...

[@konstantinusstoyanov9749]

Exellent tech

[@Tc-gt5vm]

Thanks for sharing. That sir is a good find. Will you be going back with an OEM switch. I find it annoying that one must open the system to make that repair. Hopefully no unsuspected leaks if you do.

[@notanewbie1718]

Good find.

[@dtdarby]

Good catch!

[@HVACinSC]

Thanks!

[@RG_sssSMOKING]

Nice find!!

[@Jesus-bs5fl]

SC chases his tail so we don't have to - noice

[@HVACinSC]

"Thank ya Jesus!" 😂

[@garyoconnordbaairrepair7775]

Great idea

[@andrewnielsen8032]

Good catch!!

[@HVACinSC]

Thanks!

[@xtremecomfort7799]

Thanks!!!

[@SDPP992]

I have a unit that kicks on and kicks off like sounds like if I were to hit my breaker switch on and off than would start eventually, should I just keep it off til I get it repaired??

[@Akvan79]

I have had this happen to me. Lucky for me I accidentally tugged in the wire and the whole head of the switch came loose.

[@ChrisHVAC]

Good tip

[@dwaynerichard6733]

My Trane 3 ton heat pump works on heat cycle but locks out on cooling after 5-10 minutes with high pressure or won't go into cooling at all. Techs have already changed the capacitor, compressor relay and the reversing valve and it's still happening. Could it be the high pressure switch?

[@victorvillafane252]

Good video

[@HVACinSC]

Thanks!

[@mariobryant8803]

Those pressure switches can affect a system just like any other component

[@HVACinSC]

Yep

[@KingGio71]

When you replace switch. Do you air out all the freon? Then refill?

[@digiwrench863]

what are the odds... something like this being said withing 5 years. as im looking for my resolution for energized white during heat... not defrost.. and with white and black disconnected at cdu. new df and ambient sensor...board old ass resi trane gave me a fit today.

[@KingGio71]

Ok. But today tech bypassed my low pressure switch on the condenser. He said if he's removing one he might as well do both. Said that the freon must be taken out. Then refill. True or not?

[@hvac1238]

Good vid

[@HVACinSC]

Thanks!

[@sintruder]

I guess a sensor stops a trane LOL

[@knighthvac4876]

Future leak ! Hope you gets replaced !

[@OcRefrig]

Perfect spot to use a pinch off tool to replace Lp safety or just Pinch off, snip and weld.

[@HVACinSC]

Technically everything is a future leak.. 🤔🤔😉
All I can do is quote repairs. In the end it's on the customer.

[@joesours6751]

Tore down the whole unit to find that by pass the pressure switch and roll on order the part u don’t need to take the whole unit apart to do that lol

[@HVACinSC]

Its sort of what the channel is about big fella. Showing real up and coming techs what different failures look like. Not how to half ass and hope. 😆

[@joesours6751]

HVAC in SC well if u by pass and come back the new high low pressure switch comes with new wires so that would cover your ass

[@HVACinSC]

You missed the point of my responce. As I said..... This channel is for techs to see different failures. Not to see a 5 second video that says bypass the pressure switch.

[@johncote2776]

WOW, nice find!!

[@HVACinSC]

Thank you!