Unit Does Not Start-up
Power Switch Light is Off
Possible Cause
Switch not on
No power to outlet
Unit not plugged in
Power Switch Light is On and the Thermostat Light is Off
Possible Cause
No power to thermostat
Power Switch Light is On and the Thermostat Light is On
Possible Cause
Thermostat is not setup properly
Unit is Operating and Blows Evaporator Air, but the Supply
Air is Not Colder Than the Return Air from the Cellar
Possible Cause
Thermostat not setup properly
Compressor not operating
Condenser airflow is blocked
Head Pressure (HP) switch is open
44
Solution
Turn on switch
Check circuit breaker and wiring
Plug in the unit
Solution
Check wiring for loose, broken or frayed
connections
Check transformer for 24v output to thermostat
Solution
Check thermostat setup in the guide.
Press fan ON switch to check evaporator fan only
Solution
Check thermostat setup in the manufacture's
thermostat guide
High pressure switch open (button up) (see
below)
Remove blockage
Clean filter and coil (if needed)
Reset HP switch See reset instructions on
page 50