Troubleshooting
36
3A1320L
Kettle main burners do
not ignite or are not burn-
ing correctly
Kettle gas safety valve knob not at correct posi-
tion
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 material
temperature.
Kettle gas safety valve not functioning correctly
See
Repair
manual and replace part if it fails
diagnostic testing.
Burner and/or gas lines plugged
Unplug holes and lines. Isolate all gas regu-
lators if clearing line with forced air (see
page 20).
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 18).
Kettle gas safety valve knob not at correct posi-
tion
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 set-
ting 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 correctly
Replace part if it fails diagnostic testing (see
page 6).
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 set-
ting 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 correctly
Replace part if it fails diagnostic test (see
page 6).
Over temperature safety switch not functioning
correctly
Replace part (see
Parts
manual).
Thermometer not match-
ing material temperature
in kettle
Material has not reached temperature control set
point
Allow time for material to reach operating
temperature.
Material not fully agitated
Agitate material.
Cool or windy ambient conditions
Move ThermoLazer out of cool windy condi-
tions. Discharge material and check ther-
mometer.
Thermometer calibrated incorrectly
Calibrate thermometer (see page 10).
Kettle temperature control calibrated incorrectly
See Repair manual and replace part if it can
not be calibrated (see
Parts
manual).
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 correctly
Replace part if it fails diagnostic test (see
page 6).
Incorrect flame length and/or gas pressure
Adjust flame and pressure (see page 18).
Problem
Cause
Solution