Electric Oven Service Manual

34 TROUBLESHOOTING
Troubleshooting:
F3: NO FLAME (Flameout)
Does the burner ignite?
NO
Is the gas line connected
and the gas supplied
turned on?
YES
NO
Is the unit calling for
heat (If % on front
display is greater
than 0%)?
Fix the
connection
or turn the
gas supply
on.
YES
Remove the cool-
ing duct and rear
access panel (page
1). Is the manual
valve “open?”
YES
NO
Open the
manual valve
(page A-14).
Does the ignition
module have 24
VAC applied?
YES
Is the set temperature
higher than the cook
cavity temperature?
Is the burner attempt-
ing to ignite (is spark
present) (page 27)?
YES
NO
Is gas pressure present
when unit is sparking?
YES
NO
Is the
pressure on
the gas valve
set correctly
(page 3)?
NO
Reset the gas
pressure
(page 3).
YES
Inspect, clean,
or if needed,
replace the
burner
assembly
(page A-14).
Is inlet gas pressure present?
Inlet gas pressure must be between 6” W.C. (152.4
mm W.C.) & 14” W.C. (355.6 mm W.C.).
Is the wire spark
cable damaged or
disconnected
(page A-14).
YES
Replace the
modulating
gas valve
(page A-14).
NO
Check inlet gas
connections and
supply.
YES
Replace the
wire spark
cable (page
A-14).
NO
Is the spark rod
damaged or dirty?
YES
Clean or (if necessary) replace
the spark rod (page A-14).
Replace the
ignition
module
(page A-14).
NO
NO
Adjust the set
temperature.
NO
YES
Turn the oven
off and then
on. Does the
burner ignite
and the fault
clear?
NO
Operate
normally.
YES
YES
NO