Bunn JDF-4SB Coffeemaker User Manual


 
35
SERVICE (CONT.)
Cold Water Dispense Switch (JDF-4S only)
FIG. 43 COLD WATER DISPENSE SWITCH
P1449
FIG. 44 COLD WATER SWITCH TERMINALS
BLK
BLU
Location:
The cold water dispense switch is 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 switch.
3. With a voltmeter, check the voltage across the two
wires for the dispense switch. Connect the dispenser
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 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. 44 when reinstalling wires.
49179 110613