Model reference
Norcold NX643
Refrigerator
1 document24 error codes1 service mode
Available documentation
Service Manual
- Service Manual - Gas / Electric Refrigerators62 pg
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Error codes (24)
CodeMeaning
1AC Heater Error2Service Error3Open High Limit4AC Relay Error5Flame On Should Not Be On8LOW DC (1) Error9LOW DC (2) ErrorAC HEPower Board sensed the AC heater current to be too lowAC rEAC heater relay contacts of relay K2 on the Power Board are stuck closeddc HEDC Board sensed the DC heater current to be too lowdc rEDC heater relay contacts of relay K1 on the DC Board are stuck closeddrDoor has been sensed open for more than 2 minutesFL --Gas valve is mechanically stuck open and Power Board sensed a flame present…Flashing Temperature Setting IconElectronic controls sensed the fin thermistor is inoperableLo dcPower Board determined DC input voltage is less than 10.5 VDCLo dc (with alarm, LP Gas mode)Refrigerator attempted to ignite or re-ignite the burner when DC input voltage…Lo dc (with alarm)DC voltage to the refrigerator is less than 8.5 VDCno ACPower Board sensed the AC input voltage to be less than 85VACno AC, no FLCombination faultno FLPower Board was not able to detect a flame present at the burneroP LIOpen High LimitSolid REDSelected heat source input for a particular mode is not available (AC voltage…SrService ErrorThermistor Fault (flashing COLD snowflake)Electronic controls sensed the fin thermistor is inoperable (open or shorted)Service modes (1)
- Diagnostic Mode (NX64/NX84, NXA64/NXA84)["Press and hold both the MODE and TEMPERATURE SET buttons at the same time.","Release MODE and…
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