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Troubleshooting
313879B 17
Kettle main burners do
not ignite or are not
burning correctly
Kettle gas safety valve knob not at correct
position
Turn knob to ON position (see Operation
manual).
Kettle temperature control dial set at a lower
temperature than material temperature
Turn kettle temperature control dial to tem-
perature 25° F (13.9° C) higher than mate-
rial temperature.
Kettle gas safety valve not functioning cor-
rectly
See Repair manual and replace part if it
fails diagnostic testing.
Burner and/or gas lines plugged Unplug holes and lines. Isolate all gas reg-
ulators if clearing line with forced air (see
page 12).
Kettle temperature control not functioning cor-
rectly
Replace part (see Parts manual).
Gas lines have been disconnected Connect and tighten hose fittings. Check
for gas leaks.
Incorrect flame length and/or gas pressure Adjust flame and pressure (see page 11).
Kettle gas safety valve knob not at correct
position
Replace part (see Parts manual).
Kettle main burners do
not shut off
Kettle temperature control dial is not turned to
a setting lower than material temperature
Turn kettle temperature control dial to a
setting 25° F (13.9° C) (minimum) lower
than material temperature.
Kettle temperature control not functioning cor-
rectly
Replace part (see Parts manual).
Kettle gas safety valve not functioning cor-
rectly
Replace part if it fails diagnostic testing
(see page 5).
Kettle main burner does
not turn on
Kettle temperature control dial is not turned to
a setting higher than material temperature
Turn kettle temperature control dial to a
setting 25° F (13.9° C) (minimum) higher
than material temperature.
Kettle temperature control not functioning cor-
rectly
Replace part (see Parts manual).
Kettle gas safety valve not functioning cor-
rectly
Replace part if it fails diagnostic test (see
page 5).
Thermometer not
matching material tem-
perature in kettle
Material has not reached temperature control
set point
Allow time for material to reach operating
temperature.
Material not fully obligated Agitate material.
Cool or windy ambient conditions
Move ThermoLazer
™
out of cool windy
conditions. Discharge material and check
thermometer.
Thermometer calibrated incorrectly Calibrate thermometer (see page 7).
Kettle temperature control calibrated incor-
rectly
See Repair manual and replace part if it
can not be calibrated. See Parts manual
313880.
Thermometer not functioning correctly Replace part (see Parts manual).
Kettle temperature control not functioning cor-
rectly
Replace part (see Parts manual).
Kettle gas safety valve not functioning cor-
rectly
Replace part if it fails diagnostic test (see
page 5).
Incorrect flame length and/or gas pressure Adjust flame and pressure (see page 11).
Problem Cause Solution