How to Replace a Freezer Electronic Control Board



This DIY repair guide explains how to replace an electronic control board in a freezer. The electronic control board starts and stops the compressor and fans to maintain the freezer temperature.

Because other parts can also affect the operation of the fans and compressor, have a service technician test the board to confirm it's the problem. Replace the electronic control board with the manufacturer-approved replacement part.

This repair guide and video shows how to replace the electronic control board in Kenmore, Frigidaire, Crosley, Gibson, and Kelvinator upright freezers.

Repair difficulty:
Time required:

Less than 45 min.

Parts Required:

  • Electronic control board

For manuals, repair guides, and specific part recommendations, enter your model number.

Tools Required:

  • Phillips screwdriver
  • Slot screwdriver
  • Nut driver

Before you begin

Move highly perishable food to a cooler or other cooled space. The freezer will be without power for about 45 minutes, which shouldn't affect most frozen foods.

Wear work gloves to protect your hands.


 Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

How to Replace a Freezer Electronic Control Board

Step 1: Disconnect the electrical power

Unplug the freezer or shut off the circuit breaker for the freezer.

Step 2: Remove the front grill

Remove the screws holding the grill at the base of the freezer and pull the grill off.

Step 3: Remove the rear machine compartment cover

Move the freezer away from the wall.

Remove the rear machine compartment cover screws and pull off the cover.

 Tip: Warning: The freezer is heavy. Use a helper to move the freezer away from the wall.

Step 4: Remove the electronic control

Remove the screw from the electronic control board cover.

Pull out the electronic control board cover and release it from the cabinet base. The electronic control board wires are still connected.

Set the electronic control board on the floor just behind the grill.

From the front of the freezer, pull the electronic control board through the grill opening.

Release the wire harness latch on the notch in electronic control board cover.

Take a digital picture of the wire connections on the control board before disconnecting.

Disconnect the wires from the electronic control board.

Release the locking tabs and remove the electronic control board from the cover.

 Warning: Warning: Sharp, crimped tubing is exposed in the machine compartment. Place tape over the tips of exposed copper tips to protect your arms before reaching into the machine compartment.

Step 5: Install the new electronic control board

Carefully push the new electronic control board into the cover and snap it into place.

Reinstall the wire harness in the notch of the electronic control board cover and snap the wire harness latch closed.

Reconnect the wires on the electronic control board, using your digital picture as a guide.

Push the electronic control board and cover carefully into the bottom of the cabinet through the grill opening.

Mount the electronic control board cover to the base of the freezer.

Step 6: Reassemble the covers

Place the rear machine compartment cover on the back of the freezer and reinstall the mounting screws.

Reinstall the front grill.

Step 7: Restore electrical power

Plug in the freezer or turn on the house circuit breaker to restore power.