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Norcold N81X User Manual

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18
Refrigerator Service Manual
N6XX/N8XX Models
H/AC HE Fault Code – AC heater failed open
AC heater resistance 38 to 53 
Ω.
Before beginning this procedure make sure:
■ 
RV AC voltage to the refrigerator is 108 to 132 volts.
■ 
No other appliance or lighting circuit is connected to the refrigerator AC circuit.
N62X/N82X
LP GAS
AC
AUTO
 
ON
 
GAS  
Flashing 3  times every 3 seconds
Models and indicator displayed.
N64X/N84X
Display
Alter
natin
g
Heater
connections 
okay?
NO
YES
Check AC heater resistance.
See See Figure.
NO
Replace AC heater.
YES
Replace power board.
Check AC heater wires for
loose or damaged connector.
Resistance
38 to 53 
Ω?
Repair or replace connectors. If
connectors cannot be repaired,
replace heater.
 
Audible
Alarm
N61X/N81X