Troubleshooting guide
9
* See NOTE at bottom of page 8)
PROBLEM CAUSE SOLUTION
Erratic control thermostat. Replace control thermostat.
Faulty relay. Replace relay or starter.
Restricted air flow over condenser. Ensure air flow is unobstructed over
condenser.
Low voltage … fluctuation exceeds ±
10% of 115 vac (104-127).
Call qualified electrician.
Compressor draws excessive watts. Replace compressor.
Compressor short cycles.
Inoperative condenser fan motor. Replace condenser fan motor.
Control thermostat is erratic or not
properly set.
Replace control thermostat or reset to
normal position.
Refrigerator exposed to high heat.
(110° or higher)
Move refrigerator to cooler location.
High room temperature.
(110° F or higher)
Advise customer not to install
refrigerator where temperature will rise
above 110°F because compressor will
not maintain proper temperatures.
Low pumping capacity compressor. Replace compressor.
Door gaskets not sealing. Adjust doors or replace door gaskets.
System undercharged. Check for leaks. *
System overcharged. Charge per listing on product serial
plate. *
Interior light stays on. Check door switch and door
adjustment.
Contaminants in system. Flush out system. Replace filter drier,
evacuate, and recharge. *
Capillary tube kinked or partially
restricted.
Replace heat exchanger and
evaporator assembly. *
Filter drier partially restricted. Replace filter drier. *
Refrigerator and/or freezer
compartment overloaded … poor air
circulation
Advise customer.
Restricted air flow over condenser. Ensure air flow is unobstructed over
condenser.
Compressor runs too much.
Condenser fan motor is inoperative.
(Forced air condenser models only)
Replace condenser fan motor.
Tubing vibrates. Adjust tubing.
Internal compressor noise. Replace compressor.
Loose parts. Check shelving.
Noisy.
Compressor operating at high head
pressure due to restricted air flow
over condenser.
Ensure air flow is unobstructed over
condenser.