Bunn U3A service manual SERVICE cont LIMIT THERMOSTAT, Disconnect the brewer from the power source

SERVICE (cont.)

LIMIT THERMOSTAT

FIG. 10 LIMIT THERMOSTAT	P2209.60
Location:

Removal and Replacement:

1.Remove the wires from the limit thermostat ter- minals.

2.Carefully slide the limit thermostat out from under the retaining clip and remove the limit thermo- stat.

3.Carefully slide the new limit thermostat into the retaining clip.

4.Refer to Fig. 11 and reconnect the wires.

The limit thermostat is located on the center front of the component bracket behind the timer mounting bracket.

Test Procedures:

1.	Disconnect the brewer from the power source.
2.	Disconnect the black wires or the red wires from
	the limit thermostat.
3.	With an ohmmeter, check for continuity across

BLK to Contactor (All Models Except 230V CE Models) Red to Contactor (230V CE Models)

BLK to Control Thermostat(All Models Except 230V CE Models) RED to Control Thermostat (230V Models)

the limit thermostat terminals.

If continuity is present as described, the limit thermostat is operating properly.

If continuity is not present as described, replace the limit thermostat.

P1800

FIG. 11 LIMIT THERMOSTAT TERMINALS

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