Advanced Troubleshooting - Wine Guardian WGS40 Installation, Operation And Maintenance Manual

Advanced Troubleshooting

THIS SECTION IS INTENDED FOR QUALIFIED REFRIGERATION SERVICE TECHNICIANS ONLY.
THE TECHNICIAN SHOULD REPEAT ALL OF THE PREVIOUS TROUBLESHOOTING STEPS
BEFORE TAKING ACTION ON THESE MORE TECHNICAL SOLUTIONS.
Evaporator Coil is Freezing
Possible Cause
Charge too low
High Pressure Switch Keeps Tripping Even After Checking for
obstructions and Dirty Filters/Coils
Possible Cause
Condenser fan not operating
Unit Cycles on and off more than 8 times/hr
Possible Cause
Thermostat malfunctioning
information
Low suction pressure
IMPORTANT
Solution
Check sight glass
Check for leaks
Add refrigerant
Solution
Repair or replace
Solution
Check the thermostat guide for thermostat
Check low pressure switch
Check pressure and adjust superheat
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