WL380
Manual
Page 41 ‐ Revision: 2‐5‐2018
4.
Compressor is Not Running
Possible Reason
Solution
Red Power and Green Heater
& Compressor Switch in the
O = OFF position
Turn Green Heater & Compressor Switch on.
I = ON
Cold Thermostat is Faulty
Isolate Power and remove red leads from cold thermostat to check
continuity. Thermostat should be closed if sensor is at room
temperature. Check for continuity. Replace thermostat
Compressor Starting Circuit
Faulty or Over Heated
(tripped)
Turn Green Heater & Compressor Switch off.
O = OFF.
Remove the compressor cap on side of the compressor;
Disconnect the black and red terminal connectors;
Inspect the starter and overload relay for any defects.
Check with Multi‐Meter to ensure 120V AC is being supplied to the
compressor starter. Turn ON Red Power and Green Heater &
Compressor Switch with meter hooked to red and black
compressor leads.
Replace components(s) as needed.
