Norcold refrigerator · 1 model line

Norcold refrigerator: amber flashes off

The manual says the refrigerator is operating on AC power with the thermistor sensed as inoperable and backup temperature control active.

What this message means by model

Model lineWhat the manufacturer saysSource
Norcold Polar N7V / N8VThe manual says the refrigerator is operating on AC power with the thermistor sensed as inoperable and backup temperature control active.Norcold Polar N7/N8 Owner's Manual

What you can safely check

  • Record the indicator behavior.
  • Keep food safety in mind and monitor cooling.

Stop and call a technician for

  • Thermistor diagnosis is not owner serviceable and should go to an authorized Norcold Service Center.

Do not bypass refrigerator controls, flame-sense devices, high-temperature protection, LP components, or electrical circuits. Shut off LP and power if there is gas odor, flame abnormality, overheating, or repeated fault behavior.

Write this down before you call

  • Norcold Polar model label
  • photo of display or indicator light
  • power mode and battery voltage if visible

Other codes on Norcold Polar N7 / N8 refrigerators

Full table: Norcold Polar N7 / N8 refrigerators

  • AC HE A problem relating to the AC heater.
  • AC rE A fault within the refrigerator controls.
  • blank display The refrigerator being off or not turning on
  • FL -- Flame sensed at the burner when none should be present.
  • green flashes off The refrigerator is operating on AC power with the thermistor sensed as inoperable and ba…
  • HI dc A high DC input-voltage fault
  • Lo dc Low DC voltage display terms for insufficient 12-volt supply. / A low DC input-voltage fa…
  • no AC No AC means AC voltage is not available to the refrigerator.
  • no dt Loss of communication between refrigerator controls.
  • no FL No FL for an LP flame/ignition failure condition.
  • oP LI A fault within the refrigerator electronic controls.
  • red flash 1 A problem relating to the AC heater.
  • red flash 10 Loss of communication between refrigerator controls.
  • red flash 2 A fault within the refrigerator electronic controls.
  • red flash 3 The manual gives model-specific meanings: N7V/N8V indicate flame present when it should n…
  • red flash 4 A refrigerator-controls fault.
  • red flash 5 Flame sensed at the burner when none should be present.
  • red flash 6 A problem relating to the DC heater on 3-way models.
  • red flash 7 A fault within the refrigerator electronic controls.
  • red flash 8 DC input voltage that is too low.
  • red flash 9 DC input voltage that is too high.
  • snowflake flashes Temperature setting snowflakes flashing means the thermistor has been sensed inoperable a…
  • solid red The refrigerator tried to operate on the selected energy source with no success.
  • Sr Sr is a fault within the refrigerator electronic controls.
  • temperature setting flashes Temperature setting flashing means the thermistor has been sensed as inoperable and backu…

Related troubleshooting guides

Official sources