Bunn AFPO-2 User Manual download pdf (Page 9)

SERVICE

This section provides procedures for testing and

replacing various major components used in this

dispenser should service become necessary. Refer to

Troubleshooting

for assistance in determining the

cause of any problem.

WARNING - Inspection, testing, and repair of electri-

cal equipment should be performed only by qualified

service personnel. The dispenser should be un-

plugged when servicing, except when electrical tests

are required and the test procedure specifically states

to plug in the dispenser.

COMPONENT ACCESS

WARNING - Disconnect the dispenser from the power

source before the removal of any panel or the replace-

ment of any component.

All components are accessible by removing the

eight #8-32 screws (five on the front and three on the

rear) securing the main housing to the main mount-

ing panel and the removal of the four #8-32 nuts se-

curing the pump/solenoid switch panel to the sole-

noid mounting bracket. Refer to Fig. 1

Refer to the contents listing for component loca-

tion.

Contents

Circuit Board ......................................................... 10

Fuse & Fuse Holder .............................................. 11

Main ON/OFF Switch ............................................. 12

Probe LOW/OFF/HIGH Switches ........................... 13

Pump (Flavor) Start Switches ............................... 14

Refill ON/OFF Switches ........................................ 15

Solenoid ...............................................................16

Solenoid (Water) Start Switches........................... 17

Test/Operate Switch.............................................. 18

Vacuum/Supply Pump Assembly.......................... 19

Vacuum Switches ................................................. 21

Piping Diagram ..................................................... 22

Wiring Diagrams................................................... 23

FIG. 1 COMPONENT ACCESS

P1521

28791 040501

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 24 25

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Bunn AFPO-2 User Manual Page 9