Installation Manual 18
Fault Codes (ALL N10LX AND NA10LX MODELS)
Fault codes Fault Code Meanings Corrective Actions
“no” “FL” Audible alarm.
The burner did not
ignite or re-ignite
Turn the refrigerator power OFF and the back ON to reset.
Check:
- That the valve of the propane gas tank(s) is open.
- That the propane gas is at the correct pressure.
- That the manual shut off valve of the refrigerator is open.
- That there is no air in the propane gas supply line. See “Removing air from
the propane gas supply lines” section of this manual.
- See your dealer or authorized Norcold Service Center.
“no” “AC” Audible alarm also.
AC Voltage is not available to the refrigerator
Check:
- That the refrigerator is plugged into a serviceable outlet.
- That the fuse or circuit breaker or the vehicle is intact.
- That the vehicle generator is operational (if applicable).
- See your dealer or authorized Norcold Service Center.
“AC HE”
with audible alarm
This fault indicates a problem relating to the
AC heater
This is not owner serviceable. See your dealer or authorized Norcold Service
Center.
“dc HE”
with audible alarm
This fault indicates a problem relating to the DC
heater
This is not owner serviceable. See your dealer or authorized Norcold Service
Center.
“dc Er”
with audible alarm
This fault indicates a loss of communication
between the main Control Board and the DC
Board.
This is not serviceable. See your dealer or authorized Norocld Service Center.
“AC rE”
with audible alarm
This fault is within the refrigerator electronic controls
This is not serviceable. See you dealer or authorized Norcold Service Center.
“dc rE”
with audible alarm
This fault is within the refrigerator electronic controls
This is not serviceable. See you dealer or authorized Norcold Service Center.
“Lo dc”
without audible alarm
This fault indicates the DC input voltage to the
refrigerator is low. Cooling is to continue.
Check:
- That the battery charging equipment of the vehicle is operational
- That the AC/DC converter is operational (if applicable)
- See your dealer or authorized Norcold Service Center.
“Lo dc”
with audible alarm
This fault indicates the DC input voltage to the
refrigerator is low. Either the LP Gas node or DC
heater mode (3-way models only), or both have
been inhibited.
Check:
- That the battery charging equipment of the vehicle is operational
- That the AC/DC converter is operational (if applicable)
- See your dealer or authorized Norcold Service Center.
“Lo dC”
with audible alarm
This fault indicates the DC input voltage to the
refrigerator is too low. Either the LP Gas mode
or DC heater mode (3-way models only), or
both, has been inhibited
Check:
- That the battery charging equipment of the vehicle is operational
- That the AC/DC converter is operational (if applicable)
- See your dealer or authorized Norcold Service Center.
“HI dc”
with audible alarm
This fault indicates the DC input voltage to the refrig-
erator is too high. All outputs have been inhibited
Check:
- That the battery charging equipment of the vehicle is operational
- That the AC/DC converter is operational (if applicable)
- See your dealer or authorized Norcold Service Center.
“no dt”
with audible alarm
This fault indicates a loss of communications
between the controls. The refrigerator will
continue operating in the last “known” operating
mode and temperature setting
Turn the refrigerator OFF and then back ON to reset.
If the fault code continues, see your dealer or authorized Norcold Service
Center
The temperature setting ashes off/on at
one (1) second intervals anytime the user
interface is “awake”.
The thermistor has been sensed inoperable, so the
temperature is being controlled via a backup operat-
ing system
Check:
- That the thermistor is plugged in
- See your dealer or authorized Norcold Service Center
“Sr”
with audible alarm
This fault is within the refrigerator electronic
controls
This is not serviceable. See you dealer or authorized Norcold Service Center.