20
www.norcold.com
Polar Series N7V, N7X, N7XL / N8V, N8X, N8XL
The AC is off when it should be on. AC
heater “lockout”. Turn the refrigerator
OFF and then back ON to reset.
Possible Cause:
AC heater fault.
The AC heater is not plugged in.
The AC heater failed open.
Fault Code - Flash Pattern 1
Before starting this procedure:
■
Make sure that the AC voltage to the refrigerator is 108-132
VAC.
■
Make sure no other appliance or lighting circuit is connected to
the refrigerator AC circuit.
NORCOLD
Red, flashes on one (1) time,
is off five (5) seconds, repeats.
NOR000715A
Heater
connections
okay?
NO
YES
Check AC heater resistance.
See figure, below.
NO
Replace AC heater.
YES
Replace main control board assembly
(power board assembly).
Check AC heater wires
for loose or damaged
connections
Resistance
38-50 Ohms?
Repair or replace connectors. If
connectors cannot be repaired,
replace AC heater.
TROUBLESHOOTING FLOWCHARTS - N7V AND N8V MODELS, cont’d.