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4. Compressor is Not Running 1. Red Heater and Compressor Power Switch won’t light and the Red LED on the Front won’t light Possible Reason Solution Circuit Breaker Check the Circuit Breaker Fuse is Blown Replace Fuse Check that Power Cord is properly plugged in. If it is properly Defective / Loose Power Cord plugged in, use a different power cord to verify. Failed Socket ‐ Power Line Replace Socket ‐ Power Line Noise Filter, ElectroMagnetic Noise Filter, ElectroMagnetic Interference filter (EMI) Interference filter (EMI) Defective Red Heater & Replace Red Heater & Compressor Switch Compressor Switch WL350 Manual Page 56 – Revision 11‐21‐2018 ...
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Possible Reason Solution Bad Transformer Replace Transformer Black Power Connector to the Properly connect. PCB is not properly connected Bad Front PCB Replace Front PCB Defective Red Heater & Replace Red Heater & Compressor Switch Compressor Switch 3. Compressor Runs But Does Not Chill Possible Reason Solution Condenser is dirty Clean the condensing coil of any obstructions or dust. Make sure unit is not under minimum ventilation requirements (2 Reduction of airflow into unit. to 4 inches). Low or lost refrigerant. Compressor is running very Counter Top should be 40 grams (1.41 ounces) hot. Tower should be 65 grams (2.29 ounces) Refrigerant recharge as necessary. WL350 Manual Page 57 – Revision 11‐21‐2018 ...
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4. Compressor is Not Running Possible Reason Solution Red Heater & Compressor Turn Red Heater & Compressor Switch on. Switch button on unit is in the I = ON off position Turn Red Heater & Compressor Switch off. O = OFF. Remove the compressor cap on side of the compressor; Disconnect the black and red terminal connectors; Compressor Starting Circuit Inspect the starter and overload relay for any defects. Replace components(s) as needed. Turn Red Heater & Compressor Switch on I = ON and retest compressor operation. WL350 Manual Page 58 – Revision 11‐21‐2018 ...
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