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Yes. Use defrost cycle or 10 minutes at 10 percent.
Random (Off-cycle) and Planned
the timer
Relay
Call an HVAC technician
during the defrost cycle of a forced draft low temperature evaporator, the evaporator fan would?
If this is the condenser that is frozen, you have a problem with the defrost cycle. There are 2 things that need to be checked, the defrost sensor and the defrost control board. More than likely it is the defrost control board that is the problem and of course that is the more costly of the 2.
Return it?
because it is going through defrost cycle
If the ice formed while the unit was operating it is a heat pump. The defrost board or whatever other control you may have to initiate the defrost cycle is probably bad. Switch the unit over and run the air conditioning, that wil defrost the ice until you can have it repaired.
Possible plugged pump.
On my 1995 Ford Explorer when the defrost position is selected , and the temperature knob is set in the red area to get heated air to defrost the windshield , the A/C compressor will cycle on and off to help dehumidify the air, but the compressor ONLY cycles on and off in the DEFROST POSITION ( sorry if I'm misinterpretting your question )