Error Code: D9 ILLUMINATED Difficulty: Moderate
Problem: Defrost sensor issue.
How to Fix D9 ILLUMINATED Error (Step-by-Step)
- Unplug the refrigerator from the power outlet for safety and confirm the error stays cleared during a full test cycle.
- Empty all contents from the freezer section to gain access to the back panel.
- Remove the screws that hold the interior rear panel of the freezer in place.
- Gently pull the panel away to reveal the evaporator coils and associated components.
- Locate the defrost sensor, which is a small device clipped onto the evaporator coil tubing.
- Disconnect the electrical plug from the old sensor and unclip it from the tubing.
- Clip the new defrost sensor in the same position, reconnect its electrical plug, and reassemble the freezer panel.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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