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Error code reference
Norcold Refrigerator Error Code CHECK
Red CHECK lamp on eyebrow board indicates ignition failure - the Ignition Module failed to establish or maintain a flame after the trial for ignition period.
SourceNorcold 865/866/868 Series - Service Manualp. 5-4, 5-30
Diagnostic procedure
The full CHECK 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 12V DC input voltage is at least 10.5V at Power Supply terminals J-4 and J-5, then check LP gas supply is on at main tank and shut-off valve.
SourceNorcold 865/866/868 Series - Service Manualp. 5-4, 5-30
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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