⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: D7, D8, AND D9 ILLUMINATED Difficulty: Hard
Problem: Multiple sensor failures.
How to Fix D7, D8, AND D9 ILLUMINATED Error (Step-by-Step)
- Disconnect the refrigerator from its power supply and confirm the error stays cleared during a full test cycle.
- Begin by replacing the main control board located on the rear of the appliance behind a service panel.
- Next, replace the refrigerator sensor (thermistor) located within the fresh food section.
- Then, access the freezer compartment and remove the interior back panel to locate and replace the defrost sensor on the evaporator coils.
- After replacing all three components, reassemble the freezer panel and the rear service panel.
- Plug the refrigerator back into the power outlet and monitor for the disappearance of the error codes.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Recommended Replacement Part
Verified Compatible Alternatives:
- Main Control Board
- 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.
Read Editorial Standards →Browse all Amana error codes: Amana Error Codes


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