SOLUTIONS TO COMMON PROBLEMS

DIAGNOSING PROBLEM COMPONENTS

PRECAUTIONS TO BE OBSERVED WHILE DIAGNOSING

PROBLEM COMPONENTS

Disconnect electric power from the dishwasher.

Voltage checks should be made by inserting meter probes beside the wires in the connector blocks with the electric power source on and the connector block plugged in.

Resistance checks should be made on components with the electric power off and the connector blocks disconnected.

COMPONENT SCHEMATIC

 

TESTING PROCEDURE

 

RESULTS

 

 

 

 

 

Motor Start Relay

1.

Disconnect the wire connectors and

1.

Relay upright - meter should read

 

 

remove relay from unit.

 

º (infinity.)

 

2.

Set VOM meter on the Rx1 scale.

2.

Relay upside-down - meter should

 

3.

Set the relay upright.

 

read less than two (2)Ω.

 

4.

Measure resistance between blue and

 

 

 

 

violet contacts.

 

 

 

5.

Turn relay upside-down.

 

 

 

6.

Measure resistance between blue and

 

 

 

 

violet contacts.

 

 

 

 

 

 

 

Drive Motor

1.

Disconnect the motor wiring harness

1.

White/violet to blue/white - meter

 

 

plug from the motor connector.

 

should read 5 - 7Ω.

 

2.

Set VOM meter on the Rx1 scale.

2.

White/violet to yellow - meter

 

3.

Connect one probe to the white/violet

 

should read 5 - 7Ω.

 

 

connector.

3.

White/violet to gray - meter

 

4.

Connect the other probe to the blue/

 

should read 5 - 7Ω.

 

 

white connector.

 

 

 

5.

Connect the meter probe to the yellow

 

 

 

 

connector.

 

 

 

6.

Connect the probe to the grey

 

 

 

 

connector.

 

 

 

 

 

 

 

Thermal Fuse

1.

Disconnect wires connectors from the

1.

Meter should read 0Ω.

 

 

thermal fuse terminals.

 

 

 

2.

Set VOM meter to read Rx1 scale.

 

 

 

3.

Measure resistance between thermal

 

 

 

 

fuse terminals.

 

 

 

 

 

 

 

Heater Element

1.

Disconnect the wire connectors from

1.

Meter should read 25 - 35Ω.

 

 

the heater element terminals.

 

 

 

2.

Set VOM meter to read Rx1 scale.

 

 

 

3.

Measure resistance between heater

 

 

 

 

element terminals.

 

 

 

 

 

 

 

Fill Valve

1.

Disconnect the wiring harness plug

1.

Meter should read approximately

 

 

from the fill valve connector.

 

700Ω.

 

2.

Set VOM meter to read Rx1 scale.

 

 

 

3.

Measure resistance between the

 

 

 

 

terminals of the fill valve.

 

 

 

 

 

 

 

Overfill Switch

1.

Disconnect the wires connectors from

1.

Float DOWN - meter should read

 

 

the overfill switch terminals.

 

0Ω.

 

2.

Set VOM meter to read Rx1 scale.

2.

Float UP - meter should read

 

3.

Measure resistance between switch

 

º (infinity).

 

 

terminals.

 

 

 

4.

Block the float in the UP (full) position

 

 

 

 

and measure resistance again.

 

 

13

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Kenmore DU805DWG, DU910PFG, DU890DWG, DU920PFG, GU960SCG, DU850DWG Solutions to Common Problems, Testing Procedure Results
Page 16 Page 18

DU810DWG, DU800DWG, DU801DWG, DU840DWG, DU805DWG specifications

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