Bunn FMD-4 - Manual (Page 39)

39
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SERVICE (cont.)
FIG. 38 TANK HEATER SWITCH TERMINALS
P1219
BLK to Main
Harnesss
BLK from Main
Harness
FIG. 37 TANK HEATER SWITCH
TANK HEATER SWITCH
P2635
Location:
The tank heater switch located inside the dispenser
on the upper right of the front panel.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. Disconnect the black wires from the main wiring
harness.
3. With the switch in the “ON” lower position check
for continuity between the center and the upper
terminal. With the switch in the “OFF” upper posi-
tion no continuity should be present between
center and upper terminals.
If continuity is present as described, the tank heater
“ON/OFF” switch is operating properly.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the switch mounting nut on the front of
the front panel.
2. Remove switch with wires attached from the rear
of the front panel.
3. Remove the wires from the switch terminals and
discard switch.
4. Connect the wires to the new switch, refer to Fig.
38.
5. Push new switch through hole in the front panel
and secure with facenut.
35135 012103