Heat pump not working after rain

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A couple weeks ago, I had a Goodman 3 ton heat pump split system put in. At 5pm hours today, I was outside near the heat pump and noticed that it was functioning properly. At about 6pm, there was a rain storm that came through and there was a downpour for about 15 minutes before it cleared up. At about 9pm, I noticed that the A/C was not blowing out cold air. I went outside and saw that the heat pump was not turning on at all and it was completely silent.

I checked the circuit breaker and found that it did not trip and I also saw that the plug near the heat pump appeared to be in place too. I looked at the bottom of the heat pump and saw that there were some drops of water around the whole bottom of the heat pump but the compressor was not under water by any means. I also took off the service panel of the heat pump and saw that all of the connections appeared to be in order and there were no loose wires.

I was wondering what could be causing the outdoor heat pump to not turn on at all.

The model number for my heat pump and air handler is GSZ160361 and ASPT37C14.

Best Answer

I have a 3-ton heat pump and it keeps tripping the outside “disconnect” (that electrical connection outside near the unit) too. It looks like it’s not tripped, but when I flip it off and then back on, the unit then comes on.

Some disconnects have a “breaker” that you remove from the base unit mounted on the wall. If yours is like that, just pull it out and then reinstall.