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D013 - Fault Codes
Mammoth Heat Pump: D013 Re: Diagnostic Codes / Error Codes / Fault Codes The control board in these WSHPs has a Green status light. The light will flash to indicate fault/operating status. Flashes Description On Normal Operation 1 High Pressure Switch Fault 2 ...
16 Dec, 2022
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D013 - Flashing Code 1 - Cooling
Mammoth Heat Pump: D013 Re: Error Code 1 / Fault Code 1 - Cooling Code 1 = High Pressure Switch Fault Qty Possible Causes: Refrigerant Over-Charge Bad Expansion Valve 1 Low Water Flow Bad Pressure Switch CHECKOUT 1. Check Refrigerant...
26 Mar, 2018
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