Freezer Diagnostic Guide: How To Diagnose a Freezer Problem

Symptom	Check Click on underlined items for further information
Freezer does not run and the light does not work	Make sure the freezer is plugged in Check for a blown fuse or tripped circuit breaker Test the power outlet for voltage Inspect the electrical cord for damage Eliminate use of an extension cord, if any is being used Check the outlet voltage If power is reaching the electrical outlet, trace the freezer wiring and test components as you go. Either there is a short, which must be located and repaired, or the freezer has sustained electrical damage
Freezer does not run, but the light works	Check the temperature setting Clean the condensor coils Unplug the freezer, wait two hours and plug it in. If you hear it running, a problem is causing the compressor to overheat Test the temperature control Test the evaporator fan Test the defrost timer Test the compressor relay Test the overload protector Test the compressor motor
Freezer light does not work	Replace the bulb Test the door switch
Freezer is not cold enough	Check the temperature setting Assure that there is enough room for air flow in the freezer or freezer Check for air flow restrictions in vents Test the temperature control Clean the condensor coils Check the door seals Test the door switch Test defrost heater Test defrost timer Test evaporator fan Check for a clogged drain tube Check for refrigerant leak
Freezer is too cold	Check the temperature setting Test the temperature control
Freezer is noisy	Hissing and popping is normal, it is the defrost heater. Check that the freezer is level Check the drain pan Check the condensor fan Check the evaporator fan Inspect the compressor mounts
Freezer runs continuously	Defrost the freezer Clean the condensor coils Check the door seals
Freezer starts and stops frequently	Clean the condensor coils Check the outlet voltage Test the condensor fan Test the compressor relay Test the overload protector Test the compressor motor
Freezer does not defrost automatically	Test the defrost timer Test the defrost heater Test the defrost thermostat
Freezer has an unpleasant odor	Remove spoiled food Clean freezer interior with a solution of hot water and baking soda Clean the door seals Remove breaker strips and check for wet insulation
Water on floor outside of freezer	Check the drain pan If you have an ice-maker, check the water supply hose going into and coming out of the water inlet valve
Water inside the freezer	Check for a clogged drain tube If you have an ice-maker, check freezer and ice-maker for level

Freezer Troubleshooting Guide

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