⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: D7 AND D9 ILLUMINATED Difficulty: Hard
Problem: Main board and defrost sensor issue.
How to Fix D7 AND D9 ILLUMINATED Error (Step-by-Step)
- Turn off power to the refrigerator at the circuit breaker.
- On the back of the refrigerator, remove the access panel to expose the main control board.
- Take a clear photo of the wire connections, then disconnect them from the board.
- Remove the old control board and mount the new one in its place.
- Reconnect the wiring harnesses to the new board and confirm the error stays cleared during a full test cycle.
- Inside the freezer, remove the back panel to access the evaporator coils and the defrost sensor, which is clipped to the coils.
- Unplug the old defrost sensor and clip the new one in the same location.
- Reinstall all panels, restore power, and monitor for normal operation.
Recommended Replacement Part
Verified Compatible Alternatives:
- 0130M00250
- WPW10503278
- WPW10643378
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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