⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: D7 AND D8 ILLUMINATED Difficulty: Hard
Problem: Main board and refrigerator sensor issue.
How to Fix D7 AND D8 ILLUMINATED Error (Step-by-Step)
- Unplug the refrigerator from the wall outlet and confirm the error stays cleared during a full test cycle.
- Access and replace the main control board located on the back of the unit behind a service panel.
- Disconnect all wiring harnesses from the old board, remove it, and install the new one, ensuring all connections are secure.
- Locate the refrigerator sensor (thermistor) inside the fresh food compartment, usually behind a small cover on the back wall or ceiling.
- Remove the cover, disconnect the old sensor, and remove it from its clip.
- Install the new sensor, reconnect its wiring, and replace the cover.
- Reassemble the service panel, plug the refrigerator in, and check if the error codes have cleared.
- 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.
Read Editorial Standards →Browse all Amana error codes: Amana Error Codes
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