Bunn twf-ez service manual SERVICE cont TEA/OFF/COFFEE SWITCH

SERVICE (cont.)

TEA/OFF/COFFEE SWITCH

P1808.40

FIG. 10 TEA/OFF/COFFEE SWITCH

Location:

The TEA/OFF/COFFEE switch is located in the front of the hood, above and to the left of the brew funnel.

6.Viewing the switch from the rear, check for conti- nuity across the center and left terminals of the top row when switch is in the "TEA" position and the center and right terminals of the top row when the switch is in the "COFFEE" position.

7.Viewing the switch from the rear, check for conti- nuity across the center and left terminals of the second row from the bottom when switch is in the "TEA" position. Also check for continuity across the center and right terminals of the second row from the bottom when the switch is in the "COF- FEE" position.

8.Viewing the switch from the rear, check for conti- nuity across the center and left terminals of the bottom row when switch is in the "TEA" position. Also check for continuity across the center and right terminals of the bottom row when the switch is in the "COFFEE" position.

If continuity is present as described, replace the wires, the switch is operating properly.

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

Removal and Replacement:

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 the switch captive in the hood.

4.Refer to FIG. 11 when reconnecting the wires.

Test Procedure:

1.Disconnect the brewer from the power source.

2.Remove the black and white/violet wires from the switch terminals.

3.With a voltmeter, check the voltage across the black wire removed from the TEA/OFF/COFFEE switch and the white/green wire remaining on the switch terminal.

4.Connect the brewer to the power source.The indi- cation must be 120 volts ac.

5.Disconnect the brewer from the power source.

If voltage is present as described, proceed to #6.

If voltage is not present as described, refer to the Wir-

WHI/VIO to Board J1-8

YEL to Board J3-3

WHI/BLU to Tea Solenoid

BLK to	WHI/VIO to
Board J1-7	Board J1-8

VIO to

Board J3-2

	ORA to
	Board J3-1
WHI/GRN to	WHI/RED to
Board J1-4	Coffee Solenoid
	P1525

ing Diagram and check the wiring harness.

FIG.11 TEA/OFF/COFFEE SWITCH TERMINALS

Page 20 29466 082200