Troubleshooting - Blodgett KTT-G Series Installation Operation & Maintenance

Your kettle is designed to operate smoothly and efficiently if properly maintained. However, the following is a list of checks to make
in the event of a problem. Wiring diagrams are furnished inside the service panel and in this manual. If an item on the list is followed
by X, the work should be done by a qualified service representative.
BEFORE REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY
AND CLOSE THE MAIN GAS VALVE. ALLOW FIVE MINUTES FOR UNBURNED GAS TO VENT.
USING REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY THE MANUFACTURER OR AN AUTHORIZED
DISTRIBUTOR CAN CAUSE OPERATOR INJURY AND EQUIPMENT DAMAGE AND WILL VOID ALL WARRANTIES.
SYMPTOM
Kettle is hard to tilt.
Kettle continues heating
after it reaches desired
temperature.
Kettle stops heating before it
reaches the desired
temperature.
Safety Valve pops open.
Burners will not light.
System does not produce a
spark.
WARNING
WHO
User a. Gears for foreign materials, and lubrication.
Auth Service b. Gears for alignment. X
Rep Only c. Worm gears or broken gears. X
User a. Thermostat dial setting.
Auth Service b. Thermostat calibration.X
Rep Only c. Thermostat operation. The thermostat should click when the
dial is rotated to settings above and below the temperature of
the kettle.X
User a. Thermostat dial setting.
Auth Service b. Thermostat calibration.X
Rep Only c. Thermostat operation. The thermostat should click when the
dial is rotated to settings above and below the temperature of
the kettle.X
User a. For air in the jacket. See "Jacket Vacuum" in the Maintenance
section.
b. Thermostat dial setting.
Auth Service c. For defective thermostat. The thermostat should click when
Rep Only the dial is rotated to settings above and below the temperature
of the kettle. If defective, replace.X
d. For defective safety valve. If the valve pops at pressures
below 49 PSI, replace.X
User a. That the main gas supply valve is open. (handle is in line with
gas pipe).
b. Gas supply to the building.
c. That the kettle body is not tilted.
Auth Service d. Thermostat operation. The thermostat should click when the
Rep Only dial is rotated to settings above and below the temperature of
the kettle.X
e. That tilt limit switch is closed when body is not tilted.X
Auth Service a. Thermostat, and close the contacts if they are open. X
Rep Only b. AC voltage between terminals on secondary side of
transformer. If it is not 24 Volt, replace the transformer. X
c. That the high tension cable is firmly attached and in good
condition. If cracked or brittle, replace.X
d. Pilot electric ceramic for crack or break.X
e. Pilot spark gap. Regap.X

Troubleshooting

WHAT TO CHECK
X indicates items which must be performed by an authorized technician.
OM-KTT/KTC-G 21