Dispense Platform Switch - Bunn Silver Series Service & Repair Manual

SERVICE (CONT.)
Dispense Platform Switch (all Models)
FIG. 33 DISPENSE PLATFORM SWITCH
Location:
The Dispense Platform Switch is located below the
dispenser in the front center and is mounted on the
component mounting bracket.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. With a voltmeter, back probe check across the two
black wires on the switch.
3. Return power to the dispenser. The indication must
be 24 volts ac.
4. Disconnect the dispenser from the power source.
If voltage is present as described, proceed to step 5.
If voltage is not present as described, refer to the Wir-
ing Diagrams and check back to the control board, J5.
5. With an ohmmeter, chech for continuity between
the terminals shown in Fig. 34.
Continuity must be present when the switch is in the
ON position.
If continuity is not present, replace the switch.
Removal and Replacement:
JDF-2S shown
1. Disconnect the dispenser from the power source.
2. Loosen the two #8-32 screws securing the com-
3. Disconnect the two black wires from the switch.
4. Press the locking tabs of the old switch and remove
5. Press the new switch into the component mounting
6. Connect the two black wires to the switch terminals
7. Position the component mounting bracket in the
8. Return power to the dispenser.
30
ponent mounting bracket to the dispenser base.
from the component mounting bracket.
bracket.
as shown below.
dispenser base and secure with two #8-32 screws.
BLK to J5-4 to Main Circuit Board
!st Type
BLK to Dispense Switch Harness
ORN to J11-5 to Main Circuit Board
2nd Type
ORN to J6-5 Auxillary CB
BLU to J11-4 to Main Circuit Board
3rd Type
BLU to J6-4 Auxillary CB
FIG. 34 SWITCH TERMINALS
P1640
49179 031416