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Unit does not power up/run
Possible cause Solution
Batteries on thermostat have lost their charge Change batteries
Thermostat wired incorrectly Check wiring on 24V thermostat and correct
Wiring issue at evaporator unit Contact Customer Service for troubleshooting
24V transformer in evaporator unit has failed Contact Customer Service for troubleshooting
Evaporator fan runs continuously
Possible cause Solution
Fan switch on thermostat set to "on" Set fan switch to the "auto" position
Fan relay in thermostat or 24V conversion kit stuck on Call Customer Service for details on how to perform the bypass plug
test
Units equipped with the 24V Thermostat Conversion Kit:
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