Bunn FMD-4 Guía Del Usuario

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18
Location
 
The front door lamp ballast is located behind the 
front access panel on the left front side of the com-
ponent bracket.
Test Procedure
1.  Disconnect  the  dispenser  from  the  power 
source.
2.  Disconnect the two black lead on the ballast from 
the main harness.
3.  Check for continuity between the two black leads 
on the ballast.
If  continuity  is  present  as  described  the  ballast  is 
operating properly.
If continuity is not present as described, replace the 
ballast.
 
BLK to BLK
from Main
Wiring Harness
BLK to RED from
Main Harness
P1447
FIG. 8 BALLAST TERMINALS
SERVICE (cont.)
Removal and Replacement
1.  Loosen the three #8-32 screws securing the com-
ponent bracket to the dispenser housing base.
2.  Pull component bracket out the front of the dis- 
penser far enough so the leads on each ballast can 
be disconnected from the main wiring harness and 
the door interconnect harness.
3.  Remove the two #8-32 screws securing each bal-
last to the rear of the component bracket. 
4.  Remove and discard the ballast.
5.   Install new ballast on the rear of the component 
bracket and secure each with two #8-32 screws.
6.  Refer to Fig. 8 and reconnect the wires.
7.  Place  the  component  bracket  into  position  and 
tighten the two #8-32 screws securing the com-
ponent bracket to the dispenser housing base.
BALLASTS - FMD-4 & FMD-5
P2635
FIG. 7 BALLASTS 
35135 012103