⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: D8 AND D9 ILLUMINATED Difficulty: Hard
Problem: Refrigerator and defrost sensor issue.
How to Fix D8 AND D9 ILLUMINATED Error (Step-by-Step)
- Disconnect the refrigerator from its power source to prevent electrical shock.
- First, replace the refrigerator sensor (thermistor) located in the fresh food section by following the steps for the ‘D8’ error code.
- Next, empty the freezer compartment and remove the screws holding the interior back panel.
- Carefully detach the panel to expose the evaporator coils. The defrost sensor is a small component clipped directly onto the evaporator tubing.
- Unplug the wire connector for the old defrost sensor and remove it from the clip.
- Install the new defrost sensor by clipping it onto the tubing and reconnecting the wire harness.
- Reinstall the freezer’s back panel, restore power to the unit, and monitor for normal operation.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Recommended Replacement Part
Verified Compatible Alternatives:
- Refrigerator Sensor (Thermistor)
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
Most DIY parts are $50–$250. If you have a quote, use the total.
More options (for a better recommendation)
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
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