Bunn JDF-4SB, JDF-4D manual SERVICE CONT Dispense Switches JDF-2S, JDF-4S, P1449

SERVICE (CONT.)

Dispense Switches (JDF-2S, JDF-4S)

FIG. 41 DISPENSE SWITCHES

Location:

The dispense switches are located on the lower outside of the dispenser door.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Remove the five screws attaching the dispenser door cover to the door and move the door cover to gain access to the switches.

3.With a voltmeter, check the voltage across the two wires for each dispense switch. Connect the dis- penser to the power source. The indication must be +5 volts dc.

If voltage is present as described, proceed to #4.

If voltage is not present as described, refer to the Wiring Diagrams and check the dispenser wiring harness.

4.Check for continuity across the terminals (top right to top left) of the dispense switch with the switch in the “ON” position. Continuity must not be present when the switch is in the “OFF” (released) posi- tion.

If continuity is present as described, reconnect the door wiring harness, the switch is operating properly.

If continuity is not present as described, replace the switch.

Removal and Replacement:

1.Disconnect the dispenser from the power source.

2.Remove the five screws attaching the dispenser door cover to the door and move the door cover to gain access to the switches.

3.Disconnect the wires on the dispense switch to be removed from the door wiring harness.

4.Compress the clips inside the door on the dispense switch and gently push the switch through the opening.

5.Push new switch into the opening and spread the clips to hold the switch in the door.

6.Reconnect the wires to the dispense switch from door wiring harness.

7.Reinstall the door cover and secure with the five screws previously removed.

8.Refer to Fig. 42 when reinstalling wires.

BLK
RED
BLK
GRN
Station #2
BLK
ORN
Station #1
BLK
YEL
	Station #4
Station #3	P1449
FIG. 42 DISPENSE SWITCH TERMINALS

34 49179 110613