Bunn TB3Q-LP - Manual (Page 12)

Page 12
SERVICE (cont.)
LIMIT THERMOSTAT
Location:
The limit thermostat is located inside the rear of
the hood on the tank lid.
Test Procedures:
1. Disconnect the brewer from the power source.
2. Disconnect the blue and black wires from the limit
thermostat.
3. Check for continuity across the limit thermostat
terminals with a ohmmeter.
FIG. 12-2 LIMIT THERMOSTAT TERMINALS
to Tank
Heater Switch
Lead from
Control Thermostat
If continuity is present as described, the limit thermostat
is operating properly.
If continuity is not present as described, replace the
limit thermostat.
Removal and Replacement:
1. Remove all wires from limit thermostat termi-
nals.
2. Carefully slide the limit thermostat out from under
the retaining clip and remove limit thermostat.
3. Carefully slide the new limit thermostat into the
retaining clip.
4. Refer to the schematics when reconnecting the
wires.
FIG. 12-1 LIMIT THERMOSTAT
41722 070209