www.norcold.com/cda
17
NX6 / NX8 / NXA Models
Refrigerator Service Manual
NX61 / NX81 Fault Codes - cont’d
NORCOLD
A
MODE
COLD
COLDEST
Power ON indicator light flashes ON once, OFF for 5-seconds, repeats
NOR000122-1A
Flash Pattern “1” means the Power Board sensed the AC
heater current to be too low. This fault can only be displayed
while operating in the Manual AC Mode.
Verify:
• AC heater connections are in good repair and are
properly connected to the Power Board; refer to
refrigerator wiring diagram "Wiring Pictorial" on page
53 for proper connection.
• AC heater resistance measures between 46
Ω
and 51
Ω
;
if not in range, replace AC heater.
• Replace power board.
NORCOLD
A
MODE
COLD
COLDEST
Power ON indicator light flashes ON two times, OFF for 5-seconds, repeats
NOR000122-2A
Flash Pattern “2” means the Power Board detected an internal
fault. This fault can be reset by powering the refrigerator OFF
and back ON. Should this fault continue to be displayed after
being reset, the Power Board should be replaced. This fault
can be displayed in ANY MODE.
NORCOLD
A
MODE
COLD
COLDEST
Power ON indicator light flashes ON three times, OFF for 5-seconds, repeats
NOR000122-3A
Flash Pattern "3" means the Power Board sensed the high
limit thermal switch is open. This thermal switch is mounted to
the metal insulation pack mounted above the burner. This fault
can be displayed in ANY MODE.
Verify:
• Is thermal switch electrically open, i.e. has it tripped?
• If no, verify wiring is connected properly. Refer to
refrigerator wiring diagram "Wiring Pictorial" on page
53 for proper connection.
• Replace power board.
NORCOLD
A
MODE
COLD
COLDEST
A
NOR000122-4A
Power ON indicator light flashes ON four times, OFF for 5-seconds, repeats
Flash Pattern "4" means the AC heater relay contacts of relay
K2, on the Power Board, are stuck closed. This fault can be
displayed in ANY MODE.
• Replace the Power Board
Fault / Flash Pattern 1
AC Heater Error
Fault / Flash Pattern 2
Service Error
Fault / Flash Pattern 3
Open High Limit
Fault / Flash Pattern 4
AC Relay Error
