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J1C, J1X, & J2X MASTER JET SERIES GAS FRYERS
CHAPTER 6: OPERATOR TROUBLESHOOTING
Flame rolling out
from under fryer.
Main burner
delayed ignition
(when delay is only 2
or 3 seconds).
Pilot light remains
lit when gas valve is
pushed in, but goes
out when released.
A. Flue obstructed.
B. Too little make-up air in store.
A. One or more burner flame
deflectors broken off.
B. Pilot flame low – less than 1 inch
(25.4 mm).
C. Pilot flame directed away from
first orifice on main burner.
D. Fryer incoming gas pressure too
low.
E. Fryer incoming gas line too small.
F. One or more burner orifices
clogged.
A. Gas valve pilot magnet weak.
B. Pilot generator has low millivolt
output.
C. High-limit thermostat stuck open.
D. Loose, dirty, or corroded high-
limit wires.
A. Clean obstruction from flue.
B. Increase make-up air into store.
A. Install new burner flame
deflectors.
B. Adjust pilot flame to 1 ½ inches
(38 mm).
C. Reposition pilot hood to direct
flame toward first burner orifice.
D. Have local gas company raise
incoming gas to the proper
pressure.
E. Replace incoming gas line with
proper size.
F. Clean burner orifices with proper
orifice drill.
A. Replace gas valve.
B. Replace pilot generator.
C. Replace high-limit.
D. Clean/tighten high-limit wires on
the gas valve.
6-3
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Troubleshooting
