Manual
Part # 4519069 Rev 01(7 Feb 14) Page 33
TROUBLE SHOOTING GUIDE continued
Fryers
PROBLEM POSSIBLE CAUSE SOLUTION
Low millivolt output.
Low pilot ame. Adjust pilot ame length.
Clogged pilot ori ce. Clean ori ce.
Low gas pressure. Increase pressure at regulator.
Manual shut-o partially closed. Open valve fully.
Flame blowing away from power pile. Adjust ame back to power pile.
Pilot ame adjusted too high.
Reduce ame by using pilot adjusting
screw on automatic gas valve.
Power pile or thermocouple not
inserted all the way into the pilot.
Insert until ame 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. Clean or tighten as required.
Broken or disconnected lead wire. Reconnect or replace lead wire.
Output high with main burner o -low
with it on.
Main burner over-gassed.
Reduce pressure at automatic gas valve
to appropriate pressure as speci ed on
nameplate.
Defective pilot magnet. Replace automatic gas valve.
Defective Hi-limit. Replace Hi-limit.
Output good, but pilot magnet will not
hold.
Loose, dirty or corroded terminals. Clear or tighten as required.
Manual valve not fully open. Open valve.
Defective pilot magnet. Replace automatic gas valve.
Defective Hi-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.)
De ector bracket out of adjustment. Re-align bracket.
Ceramic target broken or missing. Replace target.
One or more ori ces clogged. Clean ori ces.
Flue connected directly to stack.
Remove stack and allow at least 18”
space between ue and grease lters.