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4-5
Problem Probable Cause Corrective Action
A. Pilot is not lit. A. Light pilot.
B. Loose, dirty, or corroded terminals
on gas valve.
B. Clean and tighten terminals on gas
valve.
C. Loose, dirty, or corroded terminals
on thermostat.
C. Clean and tighten terminals on
thermostat.
D. Thermostat, gas valve, or hi-limit
wires broken or shorted.
D. Examine wires for signs of
abrasions, cuts, kinks, etc. If the
wiring is obviously damaged, it
will probably be necessary to
replace the associated component.
Call FASC.
E. Thermostat out of calibration. E. Check calibration of thermostat in
accordance with procedures in
Section 4.2 of this manual.
Burner does
not light at all.
F. If the above causes have all been
ruled out, the probable causes are
a failed thermostat or a failed gas
valve.
F. Call FASC.
A. One or more burner orifices
clogged.
A. Turn gas valve knob to OFF
position. Use thin wire to clear
obstruction from burner orifices.
B. Blocked flue. B. Clear blockage from flue.
C. Fryer flue connected directly to
vent hood with a chimney-like
duct.
C. Remove chimney-like duct and
allow for at least 18” (45.7cm) be-
tween flue outlet and vent hood
filters.
Burner does
not light all the
way around.
D. If the above causes have all been
ruled out, the probable causes are
a broken or missing target (GF40),
a bent or missing flame deflector
(GF14), or incorrect burner gas
pressure.
D. Call FASC.