Start Switch - Bunn TNT-3 Operating & Service Manual

SERVICE (cont.)

START SWITCH

FIG. 22 START SWITCH
Location:
The start switch is located in the front of the hood,
above and to the right of the brew funnel.
Test Procedure:
1. Disconnect the brewer from the power source.
2. Remove the wires from all four terminals.
3. Check for continuity across the two terminals on
the right side of the switch when it is held in the
lower position. Continuity must not be present
across these terminals in the upper position.
If continuity is present as described, proceed to #4.
If continuity is not present as described, replace the
switch.
4. Check for continuity across the two terminals on
the left side of the switch when it is held in the
lower position. Continuity must not be present
across these terminals in the upper position.
If continuity is present as described, reconnect 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. 23 when reconnecting the wires.
WHI/ORN to Hot
Tea Brew Timer TL3
WHI/YEL to
Hot Tea Brew
Timer TL5
P1370.40
FIG. 23 START SWITCH TERMINALS
Page 27
ORN to Iced Tea
Brew Timer TL3
YEL to Iced Tea
Brew Timer TL5
P1368
28201 081598