SERVICE MANUAL
41
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Continued from previous page.
NOR000707A
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?
FAULT CODES - N7LX AND N8LX MODELS -
Fault Code - “no” “FL” with audible alarm, cont’d.