Bunn TWF service manual SERVICE cont TEA/OFF/COFFEE SWITCH

Models: TWF

1 32
Download 32 pages 47.14 Kb
Page 26
Image 26
SERVICE (cont.)

SERVICE (cont.)

TEA/OFF/COFFEE SWITCH

P1959.60

FIG. 20 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.

Test Procedure:

1.Disconnect the brewer from the power source.

2.Remove the black, white/violet and white/red 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 wire remaining on the switch terminal.

4.Connect the brewer to the power source. The in- dication must be 120 volts ac for two wire 120 volt models and three wire 120/208 volt models,

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- ing Diagrams and check the wiring harness.

6.Check for continuity across the center and left ter- minals 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” posi- tion.

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. 21 when reconnecting the wires.

WHI/VIO to Tea

 

 

 

 

 

BLK to Limit Thermostat

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/RED to Coffee

Brew Timer TL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Brew Timer TL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI to Tea Brew

Timer TL2

P1367

FIG.21 TEA/OFF/COFFEE SWITCH TERMINALS

Page 26

10510

081599

 

 

Page 26
Image 26
Bunn TWF service manual SERVICE cont TEA/OFF/COFFEE SWITCH