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3-3
3.2 FRYER TROUBLESHOOTING
Refer to this section to correct common problems that may be encountered in equipment operation.
Will Limit
switch reset?
Reset &
Light Pilot
YES
Contact a
Qualified
Technician.
NO
YES
NO
Is High Limit
Switch open?
Turn Unitrol gas
knob to ON.
YES
If the main burner is lighting but not
performing properly refer to Chapter
1 to verify proper installation or
contact a qualified technician.
Purge air from gas
line (1.5.2)
YES
NO
Does the Main
burner light?
Does pilot
go out when the
temperature
increases?
Open the gas valve
and light pilot (1.5.2)
YES
NO
Is the gas
supply
valve open?
NO
Will the
pilot light?
Purge air from gas line by
placing the Unitrol Valve
knob in PILOT and holding
in for approx. 1 minute.
YES
NO
Is all the air
purged from the
gas line?
NO
YES
Does pilot
remain lit after
Unitrol Knob is
released?
Fryer does not
work.
Contact a
Qualified
Technician.
Contact a Qualified
Technician.
Is the Unitrol gas
valve knob in the ON
position?
NO
YES
NO
Contact a Qualified
Technician.
YES
Turn Thermostat to a
temperature setting.
Is the
Thermostat
knob in the OFF
position?
NO
YES