Bunn Beverage Dispenser AF PR-3 Manual De Usuario

6

1. Empty product container

2. No power or incorrect voltage to 

the dispenser

3. Signal cable unplugged

4. Hopper is full

5. Fuse and fuse holder

6. Main ON/OFF switch

7. Probe box LOW/OFF/HIGH switch-

es 

8. Circuit board

9. Vacuum switches

10. Vacuum/Supply pump

1. Motor over heats

Replace or refill

(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

Refer to Service - Main ON/OFF 

Switch for testing procedure. See 

page 9  

Refer to Service - Probe System. 

See page 10

Refer to Service - Circuit Board for 

testing procedures. See page 7

Refer to Service - Vacuum Switches 

for testing procedures. See page 14

Refer to Service  - Vacuum/ Supply 

Pump for testing procedures. See 

page 12

The thermal switch will reset, but 

requires up to 30 minutes of cooling 

time. See NOTE below.

28791.1 011500

Product will not dispense

Motor thermal cutout (motor stops 

running)

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.