Bunn AFPO-2 User Manual download pdf (Page 8)

TROUBLESHOOTING (cont.)

PROBLEM

PROBABLE CAUSE

6. Main ON/OFF switch

7. Probe box LOW/OFF/HIGH

switches

8. Circuit board

9. Vacuum switch

10. Vacuum/Supply pump

11. Pump (flavor) start switches

1. No water

2. Needle valve

3. Solenoids

1. Motor overheat

REMEDY

Refer to

Service

- Main ON/OFF

Switch for testing procedure. See

page 12

Refer to

Service

- Probe system. See

page 13

Refer to

Service

- Circuit Board for

testing procedures. See page 10

Refer to

Service

- Vacuum switch for

testing procedures. See page 21

Refer to

Service

- Vacuum/Supply

pump for testing procedures. See

page 19

Refer to

Service

- Pump (flavor) start

switches for test procedures. See

page 14

Water lines and valves to the dis-

penser must be open.

Refer to

Setup -

Mix Ratio Adjust-

ments for adjustment. See page 4

Refer to

Service

- Solenoids for test

procedures. See page 16

The thermal switch will reset, but

requires up to 30 minutes of cooling

time. See NOTE below

NOTE: This refill unit should not be used to initially fill the hopper. Running the motor for extended periods will

trip the thermal switch. The thermal switch will reset, but requires up to 30 minutes of cooling time.

28791 040501

Product will not dispense (cont.)

Incorrect mix ratio

Motor thermal cutout (motor stops

running)

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

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Bunn AFPO-2 User Manual Page 8

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