Norcold 121X series, Service Manual

Page: 32 / 100

30
S
ection
3
MODE ON/OFF SET TEMP
on
1 COLD-
9 COLDEST
1 COLD-
9 COLDEST
no FL Code—Burner Failed to Light/Relight
Replace gas valve assembly.
4
Begin
Orifice and burner serviced and
cleaned in last 12 months?
1
Gap setting is 1/8 to 3/16 in.
Assembly good?
2
3
Service and clean orifice. See page 44.
Set air gap. See Section 2, page 7.
79 to 85 kOhms
NO
Verify spark/sense electrode air gap.
NO
Check spark/sense assembly. See
Figure 3))-12, page 31.
YES
NO
Replace assembly.
Check gas valve solenoid coil resistance.
Go to page 31
The no FL fault is recorded in both the AUTO and MANUAL LP mode. Once the 30-
second trial for ignition has timed out, the fault is set and recorded in non volatile memory
approximately 25 seconds later.

IMPORTANT

YES
YES
NO
YES

IMPORTANT

Make sure LP gas is available and that
gas pressure is 10.5 to 11.5 in. w.c.