Service (cont.), Wiring diagrams, Fig. 6 main on/off switch – Bunn AFPO-2 User Manual
Page 12: And check the dispenser wiring har- ness
12
P1522
FIG. 7 MAIN ON/OFF SWITCH TERMINALS
BLK from Fuse Holder
BLK to Solenoid (Water)
Switch #2 AFPO-2 & 3
MAIN ON/OFF SWITCH
FL
AV
OR
IN
PU
T
1
2
W
AT
ER
IN
PU
T
RE
FIL
L
MA
IN
PO
W
ER
2
1
1
2
3
3
3
FL
AV
OR
OU
TP
UT
FL
AV
OR
OU
TP
UT
W
AT
ER
OU
TP
UT
FL
AV
OR
OU
TP
UT
W
AT
ER
OU
TP
UT
W
AT
ER
OU
TP
UT
FIG. 6 MAIN ON/OFF SWITCH
P1516
Location:
The main ON/OFF switch is located on the lower
right front of the autofill box just above the power
cord.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. Disconnect the black wire from the fuse holder
and the white wire from pump #1.
3. Connect the dispenser to the power source. Check
for voltage across the black wire removed from the
switch and the white wire removed from pump #1.
The indication must be:
a) 120 volts ac for 2 wire 120 volt models.
b) 200 to 240 volts ac for two wire 200 or 240 volt
models.
c) 230 volts ac for two wire 230 volt models.
4. Disconnect the dispenser from the power source.
If voltage is present as described, proceed to #5.
If voltage is not present as described, refer to the
Wiring Diagrams
and check the dispenser wiring har-
ness.
SERVICE (cont.)
28791 040501
5. Check for continuity across the switch terminals
with the switch in the “ON” position. Continuity
must not be present when the switch is in the
“OFF” position.
If continuity is present as described, reconnect the
wires to the switch terminals.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the wires from the switch terminals.
2. Compress the clips inside the autofill box and
gently push the switch through the opening
3. Push the new switch into the opening and spread
the clips to hold switch in the autofill box.
4. Refer to Fig. 7 when reconnecting the wires.