Bunn RL00006929 service manual Service Warmers

SERVICE (cont.)

Warmer(s)

OL: Brew Station & Upper

RL: Left Rear, Left Front, Brew Station, Right Rear & Right Front

FIG. 4 WARMERS P1712

5.Check for continuity from the wire terminal of the white or red wire to the splice or indicator lamp using the chart below.

If continuity is present as described, proceed to #6. If continuity is not present as described, refer to the Wiring Diagrams and check the brewer wiring har- ness.

6.Check for continuity across the two terminals on the warmer.

If continuity is present as described, the warmer is operating properly.

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

Removal and Replacement:

1. Remove the #4-40 slotted-head screws holding the warmer to the brewer

2. Lift the warmer assembly from the brewer.

3. Disconnect both wires from the warmer.

4. Refer to FIG. 6 when reconnecting the wires.

5. Place the new warmer into the brewer and se- curely attach it using the #4-40 screws.

WHI or RED (see below)

BLK to Warmer Switch

FIG. 5 WARMERS

P1713

Location:

OL: One of the warmers is beneath the brew funnel and the other is on the top lid, FIG. 4.

RL: These warmers include the one beneath the brew funnel, the ones on the right and left of the brew station, and the one above and to the left and right of the brew station as viewed from the front, FIG. 5.

Test Procedure:

1. Once the switch has been tested and switch failure has been eliminated, proceed as follows.

2. Disconnect the brewer from the power source and remove the #4-40 screws attaching the warmer being tested.

3. Lift the warmer assembly from the brewer and invert the warmer making the wire terminals ac- cessible for testing.

4. Check for continuity from the switch to the black wire at the warmer element.

If continuity is present as described, proceed to #5.

			P1692
	FIG. 6 WARMER WIRING
MODEL
OL Upper	WHI OR RED	to Indicator Lamp
OL Brew Station	WHI OR RED	to Indicator Lamp
		to Terminal Block
RL Left Rear	WHI OR RED	to Terminal Block
		to Brew Station Warmer
RL Left Front	WHI OR RED	to Indicator Lamp
		to Terminal Block
RL Brew Station	WHI OR RED	to Relay P2
		to Left Rear Warmer
RL Right Front	WHI OR RED	to Right Rear Warmer
		to Indicator Lamp
RL Right Rear	WHI OR RED	to Right Front Warmer

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