After turning on dehumidifier, it will run and everything sounds normal for the first 10-15 seconds. Then the sound wavers a bit and it will trip the GFCI. Unplug it and reset GFCI and it will repeat the above again. I tried it on a different GFCI circuit with the same results. Once, it tripped the breaker instead of the GFCI. I am wondering if it could be this capacitor and am wondering a good test procedure for the capacitor with a meter. Does the fan start first, before the compressor? I am wondering if it is when the compressor tries to start that it trips the GFCI? Thank you.
ANSWER Hi Harry. The best thing is to remove the condenser and evaporator covers carefully to clean the coils and fan blades. If they are clogged or the fan cannot turn efficiently. Yes the evaporator fan part # 4681A20040G runs always with the compressor. You can use a Supra Capacitor Checker available at a HVAC Supply store. It has a simple L.E.D. readout that will tell the tolerance of the capacitor. You can use an analog ohm meter and see our website to explain the proper procedure. The capacitor is part # 0CZZA20005J. It can be that the compressor windings part # 2520UCBA004 have shorted and it is tripping the breaker. The volt meter is part # TJMA-DM1. Thank You.
Answered by AppliancePartsPros.com | Thursday, September 20, 2012