SERVICE MANUAL
29
www.norcold.com
TROUBLESHOOTING FLOWCHARTS - N7X AND N8X MODELS
Fault Code - Solid Red Indicator Light
NOR000707A
Continued on following page.
Plugged
into working AC
outlet with min.
85 VAC?
YES
Correct AC outlet.
NO
AC power
cord in good
working
condition?
YES
Replace AC power cord.
NO
YES
Replace fuse.
NO
Is
8A fuse on
main control
board assy
(pwr board)
intact?
YES
Correct.
NO
Are all
propane gas
valves open and
supply free of
air?
YES
Clean burner.
NO
Is burner clean?
YES
Replace main control board assembly
(power board assembly).
NO
Does
main control
board (pwr board)
supply 12VDC to
gas train?
Replace gas train.
YES
Correct gap.
NO
Is burner/
electrode gap
1/8”-3/16”?
YES
Correct. Replace spark / sense
ignitor wire if needed.
NO
Spark/sense
wire installed
correctly w/
continuity?
YES
Replace gas train assembly.
NO
Gas valve
solenoid coil
resistance
74-92 Ohms?
YES
Correct. Replace wires if needed.
NO
Wires to gas
valve connected
w/continuity?
NORCOLD
MODE
A
Red, on solid.
Possible Cause:
120 VAC power is not available. Refrig-
erator defaulted to propane gas opera-
tion, but did not establish a flame.(Gas
Lockout).
Turn the refrigerator OFF and then back
ON to reset.
The thermistor has been sensed as inoper-
able, so the temperature is being controlled
via backup operating system.
Refer to “Fault Code - Thermistor Fault” on page 35.
The refrigerator is OFF.
Refer to “Blank Display” on page 36.
FAULT CODES - N7X AND N8X MODELS, cont’d.
NORCOLD
MODE
A
Temperature setting snowflake(s) flash on/off at one (1)
second intervals anytime the user interface (control) is
“awake”.
NORCOLD
MODE
A
Blank display.