Wonky Air Conditioner: Any HVAC People Out There?
September 13, 2009 3:27 PM   Subscribe

I was wondering if anyone has any experience with LG Multi-zone air conditioners? We have a multi-zone system that has been working fine until recently. Now, when I try to run the AC I get a flashing CH 26 and CH 46 error on the units. They work fine if we just use the fan settings. Do I have a bad compressor/inverter or is it something worse?
posted by extraheavymarcellus to Home & Garden (1 answer total)
 
I'm not sure if this PDF is helpful, but it describes the error codes for LG multi split systems.

According to that, code 26 is a compressor problem (potentially a seized compressor) and the recommended procedure is to power the whole system off for at least 5 minutes. Then power it back on and see if it's OK or not.

Code 46 seems to be a temperature sensor problem, and a method of testing the sensor is given.

This will just indicate what the system thinks the problem is, it could just as easily be a fault in the electronics driving the compressor or reading the sensor.
posted by FishBike at 5:27 PM on September 13, 2009


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