Thermal Cut-Off - Bunn OT Operating & Service Manual

SERVICE (cont.)

Thermal Cut-off

Location:
The thermal cut-off is located on the tank heater, FIG.
32.
FIG. 32 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. 32 when reconnecting wires.
P1698
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