Bunn OT - Page 33

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SERVICE (cont.)
Thermal Cut-off
if-
Location:
The thermal cut-off is located on the tank heater, FIG.
P1698
FIG. 30 THERMAL CUT-OFF
Test Procedures:
1.
Disconnect the brewer from the power source.
2.
Disconnect the thermal cut-off from the tank
heater terminal and the wiring harness.
3. Check for continuity across the thermal cut-off
terminals using an ohmmeter.
If continuity is present, the thermal cut-off is operating
properly. If continuity is not present as described,
replace the thermal cut-off.
Removal and Replacement:
1.
Disconnect the thermal cut-off from the tank
heater terminal and the wiring harness.
2.
Remove thermal cut-off and discard.
3. Connect new thermal cut-off to the tank heater
terminal and the wiring harness.
4.
Refer to FIG. 30 when reconnecting wires.
Page 25
Part I