Troubleshooting LG 12k Window A/C?
 

This unit has worked finel for quite a number of years. But suddenly
this past month, after a particularly hot and humid spell, the
compressor will NOT shut off. Even if the unit is powered off the
compressor keeps running.
I've had to unplug it to get it to stop. If I plug it back in the
compressor starts up immediately and keeps running.

Is there anything that I as a homeowner can try or do to remedy this
issue? Any ideas, suggestions, etc greatly appreciated.

Thanks

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Troubleshooting LG 12k Window A/C?
 

On Sunday, August 30, 2015 at 6:45:13 PM UTC-5, bobmct wrote:
This unit has worked finel for quite a number of years. But suddenly
this past month, after a particularly hot and humid spell, the
compressor will NOT shut off. Even if the unit is powered off the
compressor keeps running.
I've had to unplug it to get it to stop. If I plug it back in the
compressor starts up immediately and keeps running.

Is there anything that I as a homeowner can try or do to remedy this
issue? Any ideas, suggestions, etc greatly appreciated.

Thanks

---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

Sounds like the triac shorted, it's a large heat-sinked component on the control board. It could, possibly be replaced.

Troubleshooting LG 12k Window A/C?
 

On 8/30/2015 7:45 PM, bobmct wrote:
This unit has worked finel for quite a number of years. But suddenly
this past month, after a particularly hot and humid spell, the
compressor will NOT shut off. Even if the unit is powered off the
compressor keeps running.
I've had to unplug it to get it to stop. If I plug it back in the
compressor starts up immediately and keeps running.

Is there anything that I as a homeowner can try or do to remedy this
issue? Any ideas, suggestions, etc greatly appreciated.

Thanks

---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus


I think LG products have a lot of electronics.
I'd call their tech support people, and ask.

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