Bunn FMD-3 Manuale Utente
15
BLK to BLU
from Door
Interconnect
Harness
from Door
Interconnect
Harness
SERVICE (cont.)
BALLAST
FIG. 4 BALLAST
Location
The front door lamp ballast is located behind
the front access panel on the left side of the compo-
nent bracket.
nent bracket.
Test Procedure
1. Disconnect the dispenser from the power source.
2. Disconnect the two terminal plug of the door
1. Disconnect the dispenser from the power source.
2. Disconnect the two terminal plug of the door
interconnect harness from the main wiring har-
ness.
ness.
3. Check the voltage across the white wire and the
blue wire terminal of the ballast with a voltmeter.
Connect the dispenser to power source. The indi-
cation must be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 volt models
or 120/240 volts models.
c) 240 volts ac for two wire 240 volt models.
Connect the dispenser to power source. The indi-
cation must be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 volt models
or 120/240 volts models.
c) 240 volts ac for two wire 240 volt models.
If voltage is present as described the ballast is oper-
ating properly.
ating properly.
If voltage is not present as described, replace the
ballast.
ballast.
Removal and Replacement
1.
1.
Disconnect the wires from the ballast.
2.
Remove the one #8-32 screw securing the bal-
last to the component bracket.
last to the component bracket.
3.
Remove and discard ballast.
4.
Install new ballast over the weld pin on the com-
ponent bracket and secure with one #8-32 screw.
ponent bracket and secure with one #8-32 screw.
5.
Refer to Fig. 5 when reconnecting the wires.
BLK to Main Wiring
Harness
P1445
FIG. 5 BALLAST TERMINALS
P1447
28364 011598