L.e.d./Adjustment Board - Bunn CDS-2 Operating & Service Manual

SERVICE (cont.)

L.E.D./ADJUSTMENT BOARD

FIG. 43 L.E.D./ ADJUSTMENT BOARD
Location:
The L.E.D./adjustment board is located in the
dispenser drawer attached to the bottom of the control
panel.
Test Procedures:
1. Disconnect the dispenser from the power source.
2. Disconnect the connector at the rear of the L.E.D./
adjustment board from the dispenser main wiring
harness.
3. With a voltmeter, check the voltage between pin
hole #1 (black wire) and pin hole #8 (pink wire)
with the ON/OFF switch in the "ON" position.
Connect the dispenser to the power source. The
indication must be 5 volts dc.
4. Disconnect the dispenser from the power source.
If voltage is present as described, replace the L.E.D./
adjustment board.
If voltage is not present as described, refer to the
Wiring Diagram and check the dispenser wiring har-
ness.
Removal and Replacement:
1. Pull the dispenser drawer out far enough to expose
the four #8 -32 locking screws securing the switch
panel to the drawer.
2. Remove the four #8-32 locking screws.
3. Lift switch panel with wires and L.E.D. /adjustment
board as an assembly and turn over.
4. Disconnect the connector on the dispenser wiring
harness from the pin connector on the rear of the
L.E.D./adjustment board.
5. Remove the #4 keps nut from the right rear stud on
the control panel and remove the green ground
wire.
6. Remove the remaining five #4 keps nuts from the
studs on the control panel.
7. Remove the #6 stainless steel washer and the #6
nylon washer from the front stud on the control
panel.
8. Remove board and discard.
9. Position a new board on the studs and spacers.
10. Install the #6 nylon washer and the #6 stainless
steel washer on the front stud of the control panel.
Be sure the nylon washer is installed first.
P1343
11. Secure the new board to the control panel using
five #4 keps nuts.
12. Connect the green lead from the dispenser main
harness to the right rear stud of the control panel
and secure with a #4 keps nut.
13. Reconnect the connector from the dispenser main
wiring harness to the pin connector at the rear of
new L.E.D./adjustment board.
14. Turn board and panel over and position in the
dispenser drawer and secure with four #8-32
locking screws.
45 27646 122200