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17
FRYER TROUBLESHOOTING GUIDE (Continued)
Pilot flame goes out
repeatedly.
1. Low gas supply pressure [less than 6”
W.C. for natural gas (11” W.C. for pro-
pane) when
all other gas-powered equip-
ment is operating.].
2. Loose thermocouple or high-limit thermo-
stat connection(s) on gas control valve.
3. Pilot flame does not continuously touch
the thermocouple because of excessive
air flow around the pilot burner assembly.
4. High-limit thermostat problem has shut off
the gas.
1. Measure the gas supply pres-
sure.
Contact your local gas supplier
to obtain adequate gas supply
volume and pressure.
2. Check and tighten the connec-
tions.
3. Block the excessive air flow to
make the pilot flame contact
the thermocouple.
4. Check for, and repair, any dam-
aged high-limit thermostat wir-
ing. Otherwise, test the high-
limit thermostat by bypassing
the high-limit thermostat (black
and blue wires) at the gas con-
trol valve with a jumper wire.
Next, perform the Lighting Pro-
cedure, to check whether the
pilot flame lights. If the pilot
flame lights and stays lit, the
high-limit thermostat has failed
and must be replaced.
PROBLEM CAUSE REMEDY
Main burners do not
ignite.
1. Gas control valve knob set to OFF or
PILOT.
2. Low gas supply pressure [less than 6” W.C.
for natural gas (11” W.C. for propane)
when
all other gas-powered equipment is
operating.].
3. Pilot burner problem.
4. Thermostat control set below the tempera-
ture of the liquid shortening in the kettle.
1. Perform the normal Lighting
Procedure. Turn the gas
control valve knob to ON to
light the main burners.
If the burners do not light, the
gas safety valve has failed and
must be replaced.
2. Measure the gas supply pres-
sure.
Contact your local gas supplier
to obtain adequate gas supply
volume and pressure.
3. Refer to the preceding Pilot
Burner problems and use the
correct remedy.
4. Increase the thermostat setting
until the burners light. If this
setting is greater than the
desired temperature, reset the
thermostat.
!
CAUTION: DO NOT return
the fryer to normal operation
with its high-limit thermostat
bypassed.