Part # 4519069 (07/24/09)
Page 31
TROUBLE SHOOTING GUIDE continued
Fryers
PROBLEM
POSSIBLE CAUSE
SOLUTION
Low millivolt output.
Low pilot flame.
Adjust pilot flame length.
Clogged pilot orifice.
Clean orifice.
Low gas pressure.
Increase pressure at regulator.
Manual shut-off partially closed.
Open valve fully.
Flame blowing away from power pile.
Adjust flame back to power pile.
Pilot flame adjusted too high.
Reduce flame by using pilot adjusting
screw on automatic gas valve.
Power pile not inserted all the way into
the pilot.
Insert until flame covers 3/8” to 1/2” of
generator thermocouple tip.
Defective generator or thermocouple.
Replace.
Good output, but low reading at valve.
Loose, dirty or corroded terminals.
Clear of tighten as required.
Broken or disconnected head wire.
Reconnect or replace lead wire.
Output high with main burner off-low
with it on.
Main burner over-gassed.
Reduce pressure at automatic gas valve
to appropriate pressure as specified on
nameplate.
Defective pilot magnate.
Replace automatic gas valve.
Defective Hi-limit.
Replace H-limit.
Output good, but pilot magnet will not
hold.
Loose, dirty or corroded terminals.
Clear of tighten as required.
Manual valve not fully open.
Open valve.
Defective pilot magnet.
Replace automatic gas valve.
Defective H-limit.
Replace Hi-limit.
Main burner will not come on though
pilot remains lighted.
Loose, dirty or corroded terminals
Clean or tighten as required.
Manual valve not fully open.
Open valve.
Defective automatic gas valve.
Replace automatic gas valve.
Thermostat out of calibration.
Calibrate thermostat.
Defective thermostat.
Replace and calibrate.
Vent line, if used, plugged.
Remove and clean thoroughly.
Burner does not light all the way
around. (Delayed ignition.)
Deflector bracket out of adjustment.
Re-align bracket.
Ceramic target broken or missing.
Replace target.
One or more orifices clogged.
Clean orifices.
Flue connected directly to stack.
Remove stack and allow at least 18”
space between flue and grease filters.
Summary of Contents for Master Series
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