Bunn JDF-4D, JDF-4SB manual LG Compressor JDF-2S,4S,4D, Location

SERVICE (CONT.)

LG Compressor (JDF-2S,4S,4D)

JDF-4S shown

Test Procedures:

Compressor Relay: Refer to FIG. 8

1.Disconnect the dispenser from the power source.

2.Remove compressor terminal cover retainer (1).

3.Connect a voltmeter across the white wire and the

blue/black wire. Connect the dispenser to the power source.

The indication must be:

FIG. 7 COMPRESSOR

Location:

P1684.40

(a)120 volts ac for two wire 120 volt models or

(b)230 volts ac for two wire 230 volt models.

5.Disconnect the dispenser from the power source. If voltage is present as described, proceed to the fol- lowing test procedures.

If voltage is not present as described, refer to the Con- tactor and check the contactor.

6.Disconnect the white wire from the compressor relay.

7.Remove relay from the compressor.

8.Check for continuity across the terminal and the pin socket on the rear of the relay.

If continuity is present as described, the compressor

The compressor is located at the top of the dispenser frame.

1 2 3

GRN Wire P4298.20

FIG. 8 COMPRESSOR THERMAL

OVERLOAD PROTECTOR LOCATION

1.Compressor Terminal Cover

2.Compressor Relay

3.Thermal Overload Protector

start relay is operating properly.

If continuity is not present as described, replace relay.

Compressor:

1.Remove relay and yhermal overload protector.

2.Check for continuity across the bottom pin on the compressor and the left top pin on the compressor.

If continuity is present as described, the electrical part of the compressor is operating properly.

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

Thermal Overload Protector:

1. Check for continuity across the terminals on the thermal overload protector (3).

If continuity is present as described, the thermal over- load protector is operating properly.

If continuity is not present as described, replace the thermal overload protector.

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