Question about Weather King 10AJA6001AH Air Conditioner

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Defrost Cycle Problems

I live in North Fl;orida and I have a 5 year old WeatherKing Air to Air Heat Pump MODEL 10PJA4201 which works Great, Good Cold Air in summer, Good Heat in winter, Until it gets really Cold out side, then it hangs up in the Defrost cycle the out door condensing unit only humms and the fan doesn't rum. The indoor Air handler and heat strips runs and recycles the indoor air without any heat from the Heat Pump. I got up one night and monitored it and the unit remained hung up in the Defrost Cycle for 3 hours, until I bumped the thermostat down enough to shut off everything indoors and out doors, after waiting approx 2 minutes i bumped thermostat back up calling for heat, everything came on and ran fine the rest of the day, until the next Cold night and it happened again, What might the problem be?

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It is either the defrost thermostat or timer in the main board, best to replace both, and have charge checked.

Posted on Mar 06, 2013

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You need to replace the defrost board and sensor

Posted on Nov 22, 2008

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