Troubleshooting - Groen TDB/6 Operator's And Service Manual

OM-TDB/6
Your Groen kettle will 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. Items
; ; ; ;
marked with an should only be performed by a qualified Groen Service Representative.
USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR THEIR
AUTHORIZED DISTRIBUTORS CAN CAUSE INJURY TO THE OPERATOR AND DAMAGE TO THE
EQUIPMENT AND WILL VOID ALL WARRANTIES.
SYMPTOM
Kettle will not heat, and heating
indicator will not come on.
Kettle will not heat, but heating
indicator comes on.
Kettle continues heating after it
reaches the desired temperature
Kettle stops heating before it
reaches the desired temperature.
Kettle heats slowly
Safety valve pops.

Troubleshooting

WHO
Items marked with (
Electric power supply to the unit.
User a.
b. Water level in jacket.
Control circuit fuses. Replace a blown fuse only with a
Auth c.
Service fuse of the same AMP rating.
Rep. d. For loose or broken wires.
e. Tilt cut-off switch.
Only
f. That pressure switch is open.
g. Operation of variable thermostat.
Low water cutoff.
h.
Auth a. Contactor.
Service b. Heater elements with ohmmeter for ground short or
Rep. open element. If element is defective, call Groen.
Only
Thermostat dial setting.
User a.
b. Thermostat circuit for short.
Auth
Service
Thermostat operation. The thermostat should click
c.
Rep.
when the dial is rotated above and below the setting for
Only
the temperature of the kettle.
d. Contactor, to determine whether it is energized or
;
stuck.
Thermostat dial setting.
User a.
Auth b. Thermostat calibration.
Service c. Thermostat operation. The thermostat should click
Rep. when the dial is rotated above and below the setting for
Only the temperature of the kettle.
d. Pressure switch setting.
User a. For air in the jacket. See "Jacket Vacuum" in the
"Maintenance" section of this manual.
Auth b. Heater elements with ohmmeter for ground short or
Service open element. If an element is defective, call Groen.
Voltage of main power source.
Rep. c.
Only
For air in the jacket. See "Jacket Vacuum" in the
User a.
"Maintenance" section of this manual.
Auth b. Pressure switch setting.
Service c. Thermostat operation. Thermostat should click when
Rep. the dial is rotated above and below the setting for the
Only temperature of the kettle.
d. Safety valve. If the valve pops at pressures below 49
PSI, replace it.
e. Contactor, to determine whether it is de-energized.
14
WHAT TO CHECK
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