Bunn FMD-4 Beverage Dispenser User Manual


 
39
SERVICE (cont.)
PUSH and HOLD BUTTON UNTIL CUP IS 2/3 FULL, THEN RELEASE
LAMP HOLDER (all Models)
FIG. 33 LAMP HOLDERS
P1454.70
Location:
The lamp holders are located on the front of the upper
panel behind the display panel.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. Remove upper door panel (4) and disconnect the
door wiring harness from the leads on the lamp
holders.
3. Remove lamp from lamp holders.
4. Check for continuity on each lead of the lamp hold-
ers.
If continuity is present as described, lamp holders are
operating properly.
If continuity is not present as described replace the
lamp holder.
1
3
4
6
1. Door Assy
2. Lamp Holders
3. Lamp
4. Upper Panel
5. Lower Panel
6. Starter W/Socket
5
2
Removal and Replacement: (Refer to Fig. 33)
1. Open dispenser door (1).
2. Remove the five #6-32 screws securing lower door
panel (5) to the door (1) and remove cover.
3. Disconnect the door wiring harness from the door
interconnect wiring harness.
4. Remove five #6-32 screws securing the upper door
panel (4) to the door (1).
5. Remove the upper door cover (4), lamp (3), lamp
holders (2) and door wiring harness as an assem-
bly.
6. Disconnect the wires from the lamp holder to be
replaced from the door wiring harness.
7. Rotate lamp (3) 90° and remove from lamp holders
(2).
8. Remove the #6-32 screw securing the lamp holder
(2) to be removed, remove lamp holder (2) and
discard.
9. Install new lamp holder (2) and secure with a #6-32
screw.
10. Connect the wires on the new lamp holder to the
door wiring harness, black wire to red wire, and
white wire to blue wire.
11. Install lamp (3) into lamp holders (2) and turn 90°
until the pins snap in place.
12. Install upper door panel (4), lamp (3), lamp holders
(2) and door wiring harness as an assembly using
five #6-32 screws.
13. Reconnect the plug on the door wiring harness
to the connector on the door interconnect wiring
harness.
14. Install the door lower panel (5) using five
#6-32 screws.
LAMP REPLACEMENT (Refer to Fig. 33)
1. Remove the outside window and display graphic.
2. Remove the two #4-40 screws securing the inside
window to the door and remove window.
3. Rotate lamp (3) 90° and remove from the lamp
holders (2).
4. Insert new lamp (3) into lamp holders (2) and turn
90° until the pins snap in place.
5. Using two #4-40 screws secure the inside window
to the door.
6. Install outside window and slide display graphic
down between the inside window and the outside
window.
FMD DBC-3 shown
42672 122209