Bunn CDS-3 manual Lamp Cord Connector, SERVICE cont

SERVICE (cont.)

LAMP CORD CONNECTOR

P1923

FIG. 19 LAMP CORD CONNECTOR

Location:

The lamp cord connector is located on top of the dispenser.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the lamp cord from the lamp cord con- nector.

3.Disconnect the plug on the dispenser main harness from the connector from the lamp cord connector.

4.Check the voltage across the two pin holes on the main harness plug with a voltmeter and Day/Night switch in the “DAY” position and the “ON/OFF” switch in the “ON” position. Verify that the dispenser hop- per is full and in place, the dispenser probe contact is making contact with the CDS liquid level probe, and the dispenser door is closed. Connect the dis- penser to the power source. The indication must be approximately 12.6 volts ac.

5.Disconnect the dispenser from the power source.

If voltage is present as described, proceed to #6.

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

6.Check for continuity between pin 1 (red) of the lamp cord connector and the center terminal of the lamp cord connector. Check for continuity between pin 2 (black) of the lamp cord connector plug and the lamp cord connector body. Check for continuity between pins 1 & 2 of the lamp cord connector plug. Continu- ity must not be present between pins 1 & 2.

If continuity is present as described, the lamp cord connector is operating properly.

If continuity is not present as described, replace the lamp cord connector.

Removal and Replacement:

1.Disconnect the lamp cord assembly from the lamp cord connector.

2.Remove the six #8-32 screws securing the rear cover to the dispenser.

3.Disconnect the lamp cord connector wires from the dispenser main wiring harness.

4.Remove nut and washer securing the lamp cord connector to the dispenser. Remove and set aside the insulating washers and discard nut, washer and lamp cord connector.

5.Remove new nut and washer from new lamp cord connector.

6.Install the insulating washers to the hole in the top of the dispenser. Push new lamp cord connector through the holes in the insulating washers and secure with the new nut and washer.

7.Reconnect the wires on the cord connector to the dispenser main wiring harness.

8.Connect the lamp cord to the lamp cord connec- tor.

9.Install the rear cover to the dispenser and secure with six #8-32 screws.

To Main Harness

P1928

FIG. 20 LAMP CORD CONNECTOR

24 29793 061599