Fault Code - Flash Pattern 1 - Norcold Polar N7V Service Manual

TROUBLESHOOTING FLOWCHARTS - N7X AND N8X MODELS, cont'd.

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.
Check AC heater wires
for loose or damaged
connections
Check AC heater resistance.
See figure, below.
www.norcold.com
Heater Repair or replace connectors. If
NO
connections connectors cannot be repaired,
okay? replace AC heater.
YES
NO
Resistance
38-50 Ohms?
YES
31
NORCOLD
Replace AC heater.
Replace main control board assembly
(power board assembly).
NOR000715A
A
MODE
Red, flashes on one (1) time, is off
five (5) seconds, repeats.
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.
SERVICE MANUAL