DIY upright freezer repair

When your upright freezer quits running or its high-temperature alarm sounds, click on one of the common symptoms below to find the cause of the problem. If your freezer is displaying an error code, look it up on our error code charts. Then, follow the steps in our DIY repair guides to replace the broken parts and get the freezer running again.

Learn how to reduce energy costs in your freezer or how to prevent freezer burn in our articles and videos. To find the owner’s manual or a complete list of replacement parts for your upright freezer, search for your model number.

Upright Freezers
Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube
Repair guides for upright freezers

February 20, 2015
By Lyle Weischwill
How to replace a freezer LED light board

The LED lights illuminate the interior of the freezer when you open the door. It takes just a few minutes to replace the LED light board.

Repair difficulty
Time required
 15 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer defrost thermostat

These step-by-step instructions explain how to replace the defrost bi-metal thermostat in an upright freezer.

Repair difficulty
Time required
 45 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DIY repair guide and video show how to replace a freezer control panel in less than 15 minutes.

Repair difficulty
Time required
 15 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer electronic control board

The electronic control board manages the compressor to control freezer temperature. Replace the control board using these step-by-step instructions if it’s defective.

Repair difficulty
Time required
 45 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions to replace a defective evaporator fan.

Repair difficulty
Time required
 45 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer defrost heater

If frost builds up on the freezer evaporator because the defrost heater isn’t working, follow these step-by-step instructions to replace the freezer defrost heater.

Repair difficulty
Time required
 45 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follow these step-by-step instructions to replace a defective freezer thermistor.

Repair difficulty
Time required
 45 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to replace a defective freezer door switch.

Repair difficulty
Time required
 15 minutes or less