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Error code reference
Norcold Refrigerator Error Code Thermistor Fail (Temp setting flashes)
Thermistor detected as non-functioning; backup operating system controlling temperature (N7LX/N8LX models - temperature setting flashes on/off at 1-second intervals when control is awake).
SourceNorcold Polar Refrigerator - Service Manual: N7/N8 Series168 (N7LX/N8LX)
Diagnostic procedure
The full Thermistor Fail (Temp setting flashes) procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Verify thermistor cable is plugged in; check for broken or dirty connections.
SourceNorcold Polar Refrigerator - Service Manual: N7/N8 Series168 (N7LX/N8LX)
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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