Owner manual

Advanced Troubleshooting

IMPORTANT

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 Solution

Charge too low Check sight glass

Check for leaks

Add refrigerant

High Pressure Switch Keeps Tripping Even After Checking for

obstructions and Dirty Filters/Coils

Possible Cause Solution

Condenser fan not operating Repair or replace

Unit Cycles on and off more than 8 times/hr

Possible Cause Solution

Thermostat malfunctioning Check the thermostat guide for thermostat

information

Low suction pressure Check low pressure switch

Check pressure and adjust superheat