Bunn FMD-1 Service Manual

16

Location:

The dispense switch is located on the lower

outside center of the dispenser door.

Test Procedure:
1.

Disconnect the dispenser from the power source.

2.

Open the dispenser door and remove the bottom
door cover.

3.

Disconnect the wires from the door interconnect
wiring harness to the dispense switch.

4.

Check for voltage across the black wire and the
red wire from the door interconnect wiring har-
ness. Connect the dispenser to the power sup-
ply. The indication must be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 volt or
120/240 volt models.

5.

Disconnect the dispenser 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 diagram and check the dispenser wiring harness.

6.

Check for continuity across the terminals with

the switch in the“ON” pressed position. Conti-
nuity must not be present when the switch is in
the “OFF” released position.

If continuity is present as described, reconnect the
connector to the door interconnect wiring harness,
the switch is operating properly.
If continuity is not present as described, replace the
switch.

Removal and Replacement
1.

Open the dispenser door.

2.

Remove the five #6-32 screws securing the bot-
tom door cover and remove cover.

3.

Disconnect the wires on the dispense switch from
the door interconnect wiring harness.

4.

Compress the clips inside the door on the dis-
pense switch and gently push the switch through
the opening

5.

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

6.

Reconnect the wires to the dispense switch from
the door interconnect wiring harness.

7.

Reinstall the door bottom cover using five #6-32
screws.

8.

Refer to Fig. 9 when reconnecting wires.

FIG.8 DISPENSE SWITCH

FIG. 9 DISPENSE SWITCH TERMINALS

P1502

P1449

BLK

RED

28364 041598