Bunn AFPO-3 SL Manual Do Utilizador

13

Probe Boxes:

1.  Disconnect  the  signal  cable  from  the  probe 

boxes.

2.   Remove probe box from CDS hopper.

3.  Place the switch on the probe box in the “HIGH” 

position.

4.  Check the resistance across the box cable pins, 

see Fig. 10.

5.  With the probe box switch in the “LOW” position 

check the resistance across the pins, refer to Fig. 

10.

6.  If readings match the values indicated, the probe 

system is functioning properly.

Switch Removal and Replacement:

1.  Remove the #6 thread cutting screw securing the 

probe housing cover to the probe housing.

2.  Remove the wires from the switch terminals.

3.  Compress the clips inside the probe box and gently 

push the switch through the opening

4.  Push the new switch into the opening and spread 

the clips to hold switch in the autofill box.

5.  Refer to Fig. 11 when reconnecting the wires.

FIG. 8 PROBE SWITCHES 

Location

 

The probe switches are located on the rear of each 

hopper, mounted in the probe housing cover.

Test Procedure

Probe System

1.  Disconnect  the  dispenser  from  the  power 

source.

2.  With the probe boxes connected to the signal cable, 

remove connector from refill box.

3.  Place the switch on the probe box in the “HIGH” 

position.

FIG. 11 PROBE LOW/OFF/HIGH SWITCH 

TERMINALS

P1540      

P1523

4.  Check resistance across pins as shown in Fig. 9.

5.  With the probe box switch in “LOW” position check 

the resistance across the signal cable pins, see Fig. 

9.

6.  If  readings  match  values  indicated,  the  probe 

system is functioning properly. If not, check the 

probe boxes.

FIG. 9 SIGNAL CABLE PINS

P1538

BLU (HIGH) from Probe

Box Cable

GRN (OFF) from Probe

Box Cable

TAN (LOW) from Probe Box

Cable

P1539

FIG. 10 PROBE BOX CABLE PINS

41093 040408