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Error code reference
Norcold Refrigerator Error Code HI dc
The DC input voltage to the refrigerator is too high (alternately flashes "HI" "dc" with an audible alarm).
SourceNorcold Polar 10 Series - Use & Care Manual: N10LX, NA10LXp. 20
Diagnostic procedure
The full HI dc 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
Turn the refrigerator OFF and then back ON to reset. If the fault code continues, see dealer or authorized Norcold Service Center.
SourceNorcold Polar 10 Series - Use & Care Manual: N10LX, NA10LXp. 20
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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