Ac He Fault Code - Ac Heater Failed Open - Norcold N109X Series Service Manual

aC hE fault Code – AC heater failed open
Before beginning this procedure make sure:
RV AC voltage to the refrigerator is 108 to 132 volts.
n
No other appliance or lighting circuit is connected to the refrigerator AC circuit.
n
Fault indicator displayed:
Check AC heater wires for
loose or damaged connection.
Check AC heater resistance.
See Figure 5.
Multimeter set to
Ohms scale
14
N109X Models
Heater
connections
okay?
YES
Resistance
38 to 53 Ω?
YES
AC heater resistance 38 to 53
figure 5. Measuring aC heater resistance.
1-COLD COLDEST-9
TEMP MODE ON-OFF
ON
SET
NO
Repair or replace connectors. If
connectors cannot be replaced,
replace heater. See page 28.
NO
Replace AC heater.
See page 28.
Replace power board.
See page 38.
Ω.
Refrigerator Service Manual