Norcold ยท 15 codes

Norcold Polar Elite N15DCX / N20DCX refrigerator fault codes

Every fault code, display message, and status light listed in Norcold's manuals for Norcold N15DCX / N20DCX. Select a code for what it means, what you can safely check, and when to call a technician.

Confirm your model

Codes are model-specific. Match the model number on the appliance data label to one of these before using the table:

N15DCX, N20DCX, Polar Elite N15/N20

Where to look and what to record

  • N15DCX or N20DCX model label
  • photo of mode indicator or diagnostic LED
  • battery monitor reading if visible

Code table

CodeWhat the manufacturer says
E1Fresh-food compartment thermistor is not cycling properly
E2Freezer compartment thermistor is not cycling properly
E3Voltage is outside the compressor cut-out setting
E4Fresh-food compartment door has been open for more than two minutes
E5Voltage is too low
E6Ambient thermistor is not cycling properly
E7Evaporator fan is not operating properly
E8Freezer condenser fan is not operating properly
E9Fresh-food condenser fan is not operating properly
power module flash 1Compressor power module battery protection cut-out; voltage outside the manual cut-out setting of 9.8-17.0 VDC
power module flash 2Fan over-current cut-out; load above 1.0 amp sensed on terminal F-
power module flash 3Compressor motor start error; rotor blocked or differential pressure too high
power module flash 4Minimum compressor motor speed error; motor cannot maintain minimum speed
power module flash 5Thermal cut-out of compressor power module; module is running too hot
power module flash 6Compressor power module hardware failure

Do not bypass compressor controls, fan circuits, thermistors, fuse protection, or DC wiring. Shut off the refrigerator and arrange qualified Norcold service for unresolved diagnostic faults.

Troubleshooting guides

Official manuals and support pages