Rectifier - Bunn JDF-2S Service & Repair Manual

SERVICE (CONT.)
Rectifier (JDF-2S, JDF-4S)
FIG. 55 RECTIFIER
Location:
The rectifier is located on the electrical component
mounting bracket on the lower front of the dispenser
behind the splash panel.
Test Procedures:
1. Disconnect the dispenser from the power
source.
2. Remove the blue wire and the white wire from the

rectifier.

3. Check the voltage across the (+) and (-) terminals
on the rectifier with a voltmeter. Connect the dis-
penser to the power source. The indication must
be approximately 24 volts dc.
4. Disconnect the dispenser from the power
source.
If voltage is present as described, the rectifier is op-
erating properly.
If voltage is not present as described, refer to the
dispenser wiring diagram and check the wiring back
to the transformer.
Removal and Replacement:
1. Disconnect the wires from the rectifier.
2. Remove the #10-32 screw securing the rectifier.
3. Remove the rectifier and discard.
4. Secure new rectifier with #10-32 screw.
5. Refer to Fig. 56 and reconnect the wires.
BLU from Door Harness (+)
WHI/GRN to Transformer (~ AC)
FIG. 56 RECTIFIER TERMINALS
41
WHI/BLK to Transformer (~ AC)
WHI from Door Harness (-)
49179 110613