SERVICE (CONT.)
Transformer (all Models)
| AC |
A C | + |
P3864
Location:
The transformer is located on the electrical com- ponent mounting bracket on the lower front of the dispenser behind the splash panel.
Test Procedure:
1.Disconnect the dispenser from the power source.
2.Check the voltage across black wire and the white wire from the main harness. Connect the dispenser to power source. The indication must be:
a)120 volts ac for two wire 120 volt models, three wire 120/208 volt and three wire 120/240 volt models.
b)240 volts ac for two wire 240 volt models.
c)230 volts ac for two wire 230 volt models.
4. Disconnect the dispenser from the power source.
If voltage is present as described, proceed to #5.
If voltage is not present as described, refer to the Wiring Diagrams and check the main wiring harness.
5.Check the voltage between
If voltage is present as described the transformer is operating properly.
If voltage is not present as described, replace the transformer.
Removal and Replacement:
1.Loosen the two
2.Pull component bracket out the front of the dispenser far enough so the transformer can be disconnected from the main wiring harness.
3Remove the two
5.Remove and discard the transformer.
6.Install new transformer on the component bracket and secure with two
7.Refer to Fig. 70 and connect the transformer to the main wiring harness.
8.Place the component bracket into position and tighten the two
| WHI from |
WHI/BLU to Control | Power Cord |
Board | BLK from |
| Power Cord |
BLU | to Control |
Board | |
| P1647 |
FIG. 70 TRANSFORMER TERMINALS |
48 | 49179 | 110613 |
|