Kenmore DU805DWG, DU910PFG, DU890DWG manual Solutions to Common Problems, Testing Procedure Results

Page 17

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

Image 17
Contents Dishwashers Goals and Objectives IntroductionTableofcontents Page DU800DWG, DU801DWG, DU805 Theory of OperationSoil Settler Special FeatureElectrical Shock Hazard Component AccessRemoving the Pump and Motor Assembly Removing the Spray Arm AssemblyServicing the Pump Assembly Removing the Heater Element Removing the Soil Settler AssemblyRemoving the Thermal Fuse Removing the Float SwitchRemoving the Water Inlet Valve Removing the Motor Relay Accessing Components Inside the DoorRemoving the Check Valve Removing the Door Latch Switches Removing the TimerRemoving the Switch Assembly Dishwasher Dispenser Disassembly Page Dishwasher Dispenser Assembly Testing Procedure Results Solutions to Common ProblemsTimer Motor Troubleshooting Guide Technical Information Cycle Timing Chart Wiring Diagram Model DU810DWG Cycle Timing Chart Wiring Diagram Models DU840DWG, DP840DWG Cycle Timing Chart Wiring Diagram Model DU850DWG Cycle Timing Chart Wiring Diagram Model DU890DWG Cycle Timing Chart Page Model DU910PFG Models DP920PFG, DU920PFG Power Clean Filter Models With Tower Water FeedOperating Replacing the Heater Element Removing the Pump Motor AssemblyServicing the Operating Thermostat Removing the Inside Door Panel Removing Access and Outer Door PanelsReplacing the Spring Loaded Locking Tab Model DU910PFG Model DU910PFG Wiring Diagram Strip Circuits Harness Terminal Block Wire EndCycle Timing Charts Troubleshooting Guide Wiring Diagram Strip Circuits Cycle Timing Chart Cycle Timing Chart Notes Diagnostics and Sales Demo Timing Chart Model GU940SCG Model GU960SCG Model GU980SCG Power Clean Filter Models With Internal Water FeedSecuring Tab Servicing the Vertical Water TubeServicing the Soil Sensing System Servicing The Dishwasher Dispenser AssemblyDishwasher Dispenser Disassembly Page Dishwasher Dispenser Assembly Diagnostics and Sales Demo Timing Chart Troubleshooting Guide Model DU940SCG, DU960SCG, DU980SCG Strip Circuits Cycle Timing Chart Cycle Timing Chart Notes Custom Color Panels Installation InstructionsCustom Panel Dimensions Removing Access and Door Panels Installing Custom Panels Place the access panel front side down. Heavy Duty Door Spring Kit Installing Heavy Duty Door SpringsInstallation Instructions Installing the Floor Mounting KITPage

DU810DWG, DU800DWG, DU801DWG, DU840DWG, DU805DWG specifications

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