WL380
Manual
Page 40 ‐ Revision: 2‐5‐2018
2.
Red Power Switch and Green Heater & Compressor Switch is lit but the Status
LED lights on the front are not lit
Possible Reason
Solution
Bad Transformer
Replace Transformer
Black Power Connector to the
PCB is not properly connected
Properly connect.
Bad Front PCB
Replace Front PCB
Defective Green Heater &
Compressor Switch
Replace Green Heater & Compressor Switch
3.
Compressor Runs but Does Not Chill
Possible Reason
Solution
Condenser is dirty
Clean the condensing coil of any obstructions or dust.
Reduction of airflow into unit.
Make sure unit is not under minimum ventilation requirements
(2 to 4 inches of clearance around the unit for heat exchange).
Compressor is running very
hot (over 150
o
F)
Low or lost refrigerant.
Refrigerant recharge as necessary. See Specifications for
refrigerant charge data.