Bunn System III manual SERVICE cont ON/OFF Warmer SWITCH

SERVICE (cont.)

ON/OFF (Warmer) SWITCH

FIG. 19 ON/OFF SWITCH P1101.40

Location:

If voltage is not present as described, refer to the Wiring Diagrams and check the brewer wiring har- ness.

5.With the black wire removed, remove the white/ violet wire or white/red wire on the switch from the lower left terminal.

6.Check for continuity across the center and lower left terminal with switch in the "ON" (upper) posi-

tion. Continuity must not be present when switch is in the "OFF" (lower) position.

If continuity is present as described, reconnect the black wire to the center terminal and the white/violet wire or white/red wire on the switch to the lower left terminal.

If continuity is not present as described, replace the switch.

Removal and Installation:

1.Remove the wires from the switch terminals.

2.Compress the clips inside the hood and gently push the switch through the opening.

3.Push the new switch into the opening and spread the clips to hold switch in the hood.

4.Refer to Fig. 20 when reconnecting the wires.

The ON/OFF (Warmer) switch is located on the front of the hood to the right of the start switch.

Test Procedure:

1.	Disconnect the brewer from the power source.
2.	Viewing the switch from the back remove the red
	or white wire from the upper right terminal and the
	black wire from the center terminal.
3.	With a voltmeter, check the voltage across the red

BLK to Terminal Block

(Black Insert)

WHI/VIO to Timer TL1

(Electro/mechanical) or

WHI/RED to DBC Board

J1-1

WHI to Terminal Block (WHI Insert) or

WHI to DBC J1-6 (120/208V Models)

RED to Terminal Block (RED Insert) or

RED to DBC J1-6 (200V - 240V Models)

P1102

or white wire and the black wire. Connect the

brewer to the power source. The indication must

be:

a.) 120 volts ac for three wire 120/208 volt models

and three wire 120/240 volt models.

b.) 200 to 240 volts ac for two wire 200 or 240 volt

models.

4. Disconnect the brewer from the power source.

If voltage is present as described, reconnect the red or white wire, and proceed to #5.

FIG. 20 ON/OFF SWITCH TERMINALS

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