Norcold ยท 14 codes

Norcold N3000 series refrigerator fault codes

Every fault code, display message, and status light listed in Norcold's manuals for Norcold N3000 series (Thetford troubleshooting codes); Norcold N3000 North America (N3104, N3141, N3150). 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:

N3000 series, N3080, N3090, N3100, N3104, N3108, N3112, N3115, N3145, N3150, N3175, N3000 North America, N3141

Where to look and what to record

  • N3000 series model label
  • photo of service-mode LED/LCD code
  • power source selected
  • N3000 North America model label
  • photo of display code
  • how long all symbols stay lit

Code table

CodeWhat the manufacturer saysListed for
1Senses flame when gas should be offNorcold N3000 series (Thetford troubleshooting codes)
2Burner control module returns incorrect feedbackNorcold N3000 series (Thetford troubleshooting codes)
3Gas lockout because flame fails to ignite within 30 secondsNorcold N3000 series (Thetford troubleshooting codes)
4DC heater is off when it should be onNorcold N3000 series (Thetford troubleshooting codes)
5DC heater is on when it should be offNorcold N3000 series (Thetford troubleshooting codes)
6DC high voltage is out of rangeNorcold N3000 series (Thetford troubleshooting codes)
7No engine-run signal is present while control is in Manual DC modeNorcold N3000 series (Thetford troubleshooting codes)
8AC heater current is measured at 75 percent below nominal currentNorcold N3000 series (Thetford troubleshooting codes)
9AC heater is on when it should be offNorcold N3000 series (Thetford troubleshooting codes)
10AC mains supply is out of rangeNorcold N3000 series (Thetford troubleshooting codes)
11No energy source is available while control is in AUTO modeNorcold N3000 series (Thetford troubleshooting codes)
12Display board and power board lose communication with each otherNorcold N3000 series (Thetford troubleshooting codes)
13Thermistor fails and the control automatically switches to Backup Operation SystemNorcold N3000 series (Thetford troubleshooting codes)
18Code 18 for the start-up display state where all symbols light up briefly before normal operation.Norcold N3000 North America (N3104, N3141, N3150)

Do not hand-light, clean burner parts, adjust LP gas, bypass refrigerator controls, or open electrical compartments. Shut off LP if gas odor is present and arrange qualified Norcold service for unresolved faults.

Do not open refrigerator electrical compartments, bypass refrigerator controls, or inspect wiring. Shut the refrigerator off and arrange qualified Norcold service for persistent display faults.

Troubleshooting guides

Official manuals and support pages