WL900
Manual
Page 51 – Revision: 5-12-2021
POWER TROUBLESHOOTING INDEX
1.
No Power to Unit, LED Panel does not Illuminate
2.
Compressor Runs but does not Chill
3.
Compressor is not Running
4.
Unit has Power, but Water is not Chilled or Heated
5.
Unit has Power, LED Panel does not Illuminate or only partially Illuminates
1.
No Power to Unit, LED Panel does not Illuminate
Possible Cause
Solution
Circuit Breaker tripped
Check the circuit breaker, reset any tripped breaker.
Blown Fuse
Check Fuse in Unit Replace if necessary.
Loose Power Cord
Check that the power cord is properly plugged in.
PCB Failure
Check the PCB for Power incoming and outgoing.
2.
Compressor Runs but does not Chill
Possible Cause
Solution
Condenser is dirty
Clean the condensing coil of any obstructions or dust.
Reduction of airflow
across condenser coils
Make sure unit is not under minimum ventilation
requirements.
Compressor very hot to
the touch
Low or lost refrigerant. Refrigerant recharge required.
