Bunn AF PR-3 TROUBLESHOOTING cont, Problem, Probable Cause, Remedy, Product will not dispense

Models: AF PR-3

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TROUBLESHOOTING (cont.)

PROBLEM

PROBABLE CAUSE

REMEDY

Product will not dispense

1. Empty product container

Replace or refill

2.No power or incorrect voltage to the dispenser

3.Signal cable unplugged

4.Hopper is full

5.Fuse and fuse holder

(A1) Check the outlet for 120 volts on two wire 120 volt dispenser.

(A2) Check the outlet for 200 volts or 240 volts ac for two wire 200 volt or 240 volt dispensers.

(B)Check circuit breakers or fuses. Signal cable must be plugged in.

Product must not be touching probes to fill.

Refer to Service - Fuse and Fuse Holder for test procedures. See page 8

Motor thermal cutout (motor stops running)

6.

Main ON/OFF switch

Refer to Service - Main ON/OFF

 

 

Switch for testing procedure. See

 

 

page 9

7. Probe box LOW/OFF/HIGH switch-

Refer to Service - Probe System.

es

 

See page 10

8.

Circuit board

Refer to Service - Circuit Board for

 

 

testing procedures. See page 7

9.

Vacuum switches

Refer to Service - Vacuum Switches

 

 

for testing procedures. See page 14

10. Vacuum/Supply pump

Refer to Service - Vacuum/ Supply

 

 

Pump for testing procedures. See

 

 

page 12

1.

Motor over heats

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.

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28791.1 011500

 

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Bunn AF PR-3 TROUBLESHOOTING cont, Problem, Probable Cause, Remedy, Product will not dispense, Empty product container