Whirlpool DU1000 User Manual download pdf

PRECAUTIONS TO BE

OBSERVED BEFORE AND

DURING SERVICING OF

DISHWASHER

A. Even with the door open, there is line voltage at

several points in the console and below the tub.

Therefore, be sure to disconnect the power

supply at the fuse box before replacing a

component.

B. Always check wiring harness and connectors

before any test procedures.

C. Disconnect power supply before touching the

circuit board or re-seating control connectors.

D. Voltage checks are made by inserting probes

beside wires on the connector with the AC power

source applied and the connector blocks plugged

in.

E. Resistance checks are made on components with

the wiring harness disconnected.

Electrostatic Discharge (ESD)

Sensitive Electronics

ESD problems are present everywhere. ESD may

damage or weaken the electronic board. The new

board may appear to work well after repair is

finished, but failure may occur at a later date due

to ESD stress.

■ Use an anti-static wrist strap. Connect wrist

strap to green ground connection point or

unpainted metal in the appliance

-OR-

Touch your finger repeatedly to a green ground

connection point or unpainted metal in the

appliance.

■ Before removing the part from its package,

touch the anti-static bag to a green ground

connection point or unpainted metal in the

appliance.

■ Avoid touching electronic parts or terminal

contacts; handle electronic board by edges only.

■ When repackaging failed electronic board in

anti-static bag, observe above instructions.

PART NO. 9744480

NOTE: This sheet contains important

Technical Service Data

FOR SERVICE TECHNICIAN ONLY

DO NOT REMOVE OR DESTROY

LINE 120 V 60HZ

BKT

DOOR SWITCH

3369325

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

USER

INTERFACE

(SEE TABLE)

VENT ACTUATOR

600-1800

HI-LIMIT THERMOSTAT

OPENS 77°C-83°C (171°F-181°F)

3371618

ELECTRONIC CONTROL

(SEE TABLE)

(TRIACS AND RELAYS SHOWN)

W-R

BU-BK

P10

N.O.

R-BK

P2-4

LBU

P2-5

P2-1

O-GY

W-V

RINSE AID

600 - 1800

MAIN WINDING

2.0 - 3.4

DRAIN WINDING

4.2 - 7.0

WASH WINDING

4.2 - 7.0

SENSE RESISTOR

N.C.

W-V

PRESSURE SWITCH

(SOIL SENSOR)

3380871

FILL VALVE

695 - 995

(SEE TABLE)

OVERFILL SW.

(SEE TABLE)

BR-W

PUMP & MOTOR

ASSEMBLY

(SEE TABLE)

BU-BK

OPERATING THERMOSTAT

CLOSES 57°C-63°C

(135°F-145°F)

3378083

N.O.

W-V

THERMISTOR

47-53K @ 25°C/77°F

12-13K @ 60°C/140°F

9743158

P2-2

GY-O

P2-3

O-BK

DETERGENT

600 - 1800

W-VW

(W)

DOOR SWITCH

3369325

BU-BK

DUAL WAX

MOTOR

3374501

BU-BK

W-V

NLY

N“PLA

TUB MODELS”, OTHERWISE

CONTINUOUS CIRCUIT AND

“W-V” WIRES REMAIN “W”

NUMERIC DISPLAY

(SEE TABLE)

USED ONLY ON

FLOAT (IN

NORMAL POSITION)

CLOSES SWITCH

SOME MODELS,

OTHERWISE OPEN

(SEE TABLE)

HEATER

(WATTAGE DEPENDS

ON MODEL; SEE TABLE)

USED ONLY ON

SOME MODELS,

OTHERWISE OPEN

(SEE TABLE)

800 - 1000

TO BU-BK

SOLENOID

9744335

(O-BK OPEN)

TO LBU

(P2-4)

DET / R.A.

DISPENSER DEPENDS ON MODEL

(SEE TABLE)

USED ONLY ON

SOME MODELS,

OTHERWISE OPEN

(SEE TABLE)

TEMPERATURE SENSOR

WATER

DEPENDS ON MODEL

(SEE TABLE)

RINSE AID SENSOR

9742852

P14

P13-1

P13-2

P15

N.O.

N.O.N.O.

N.O.

USED ONLY ON

SOME MODELS,

OTHERWISE OPEN

(SEE TABLE)

(W)

WIRING DIAGRAM

SCHEMATIC SHOWN WITH

DOOR SWITCH AND ALL

OTHER NORMALLY OPEN

CONTACTS OPEN.

FILL

BK T

BU-BK

P2-5

Q3 TRIAC

ELECTRONIC CONTROL

OVERFILL SW.

BR-W

DOOR

SWITCH

W-V

(W)

FILL VALVE

695 - 995

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

DOOR

SWITCH

K3 RELAY

ELECTRONIC CONTROL

USED ONLY ON

PLASTIC TUB

MODELS, OTHERWISE

CONTINUOUS CIRCUIT &

W-V WIRES REMAIN W

PLASTIC TUB MODELS,

OTHERWISE CONTINUOUS

CIRCUIT & W-V WIRES

REMAIN W

N.O.

FLOAT (IN NORMAL POSITION)

CLOSES SWITCH

WASH / RINSE

BK T

P10

R-BK

P3 P7

DOOR

SWITCH

W-V

(W)

DOOR

SWITCH

K1 RELAY

ELECTRONIC CONTROL

SENSE

RESISTOR

Q5 TRIAC

ELECTRONIC CONTROL

PUMP & MOTOR

ASSEMBLY

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

N.O.

MAIN WINDING

2.0 - 3.4

WASH

WINDING

4.2-7.0

DISPENSER (DETERGENT & RINSE AID)

BK T T

P2-3 P7

DOOR

SWITCH

W-V

(W)

DOOR

SWITCH

K3 RELAY

ELECTRONIC CONTROL

Q1 TRIAC

P2-4

P2-3

P2-4

Q2 TRIAC

ELECTRONIC CONTROL

BU-BK

Q2 TRIAC

ELECTRONIC CONTROL

SOLENOID

DET / R.A.

800 - 1000

Q1 TRIAC

DUAL WAX MOTOR

RINSE AID

600 - 1800

DETERGENT

600 - 1800

LBU

O-BK

BU-BK

LBU

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

DISPENSER

DEPENDS ON MODEL

(SEE TABLE)

(OPEN

CIRCUIT)

W-V

(W)

N.O.

BK T

BU-BK

DOOR

SWITCH

W-V

(W)

DOOR

SWITCH

K3 RELAY

ELECTRONIC CONTROL

VENT

ACTUATOR

600 - 1800

VENT

(USED ONLY ON SOME MODELS,

OTHERWISE OPEN. SEE TABLE)

USED ONLY ON

PLASTIC TUB MODELS,

OTHERWISE CONTINUOUS

CIRCUIT & W-V WIRES

REMAIN W

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

N.O.

DRAIN

BK T

P10

R-BK

DOOR

SWITCH

W-V

(W)

DOOR

SWITCH

K1 RELAY

ELECTRONIC CONTROL

P3 P7

SENSE

RESISTOR

Q6 TRIAC

ELECTRONIC CONTROL

PUMP & MOTOR

ASSEMBLY

USED ONLY ON

PLASTIC TUB MODELS,

OTHERWISE CONTINUOUS

CIRCUIT & W-V WIRES

REMAIN W

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

N.O.

MAIN WINDING

2.0-3.4

DRAIN

WINDING

4.2-7.0

HEAT DRY

BK T

W-R

DOOR

SWITCH

W-V

(W)

DOOR

SWITCH

K2 RELAY

ELECTRONIC CONTROL

N.C.

HEATER

15 - 35

(WATTAGE DEPENDS

ON MODEL; SEE TABLE)

HI-LIMIT THERMOSTAT

OPENS 77°C - 83°C

(171°F -181°F)

OPENS 77°C - 83°C

(171°F -181°F)

N.O.

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

SOIL SENSING

(USED ONLY ON SOME MODELS, OTHERWISE OPEN. SEE TABLE)

PUMP IS ALSO WASHING DURING SENSING PERIODS (SEE WASH / RINSE)

BK T

BU-BK

DOOR

SWITCH

K3 RELAY

ELECTRONIC CONTROL

N.O.

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

PRESSURE

SWITCH

(SOIL SENSOR)

O-GY

N.O.

ELECTRONIC

CONTROL

P2-1

SWITCH CLOSES WHEN

SIGNIFICANT SOILS

ACCUMULATE IN PUMP

WATER HEATING

PUMP IS ALSO WASHING DURING WATER HEATING PERIODS (SEE WASH/RINSE)

BK T

W-R

DOOR

SWITCH

W-V

(W)

DOOR

SWITCH

K2 RELAY

ELECTRONIC CONTROL

N.O.

P2-2

GY-O

THERMISTOR

47-53K @25°C/77°F

12-13K @60°C/140°F

OPERATING THERMOSTAT

CLOSES 57°C - 63°C

(135°F -145°F)

N.C.

HEATER

15 - 35

(WATTAGE DEPENDS

ON MODEL; SEE TABLE)

HI-LIMIT THERMOSTAT

WATER

TEMPERATURE SENSOR

DEPENDS ON MODEL

(SEE TABLE)

W-V

(W)

TCO

(TRIP TEMP

DEPENDS ON MODEL;

SEE TABLE)

N.O.

GY-O

W-V

(W)

ELECTRONIC

CONTROL

ELECTRONIC

CONTROL

DISHWASHER CIRCUITS

The following individual circuits are for use in diagnosis. Before starting diagnosis, check the line voltage and check for blown fuses.

KUDG25,

KUDH25

9743991

3378083

(Thermostat

KUDI25, KUDJ25

N/A N/A

9744190 8051314 N/A

KUDM25

9743993

KUDR25,

KUDY25,

KUDX25

9744031

or 9744483

9743451

(110°C/230°F)

9744027 9743994 N/A

9743159

(670/435w PTC,

18-35Ω)

3379372

9744335

(Solenoid)

9743413

9744284

9743158

(Thermistor)

KUDS25

9743995

KUDC25

(BK, WH, BT)

9743154 9742852

9743996 8051311 3380871

KUDC25 (SS)

9743997

KUDV25

(ENERGY STAR)

9744483 9744490 9744151

DENOTES ENERGY EFFICIENT COMPONENTS. DO NOT SUBSTITUTE.

MODEL SPECIFIC ELECTRICAL COMPONENTS KEY

MODEL

NUMBER

ELECTRONIC

CONTROL

TCO

WIRING

HARNESS

RINSE AID

HARNESS

RINSE AID

SENSOR

USER

INTERFACE

NUMERIC

DISPLAY

HEATER

VENT

ACTUATOR

PUMP &

MOTOR

ASSEMBLY

DISPENSER

OVERFILL

SWITCH

FILL VALVE

PRESSURE

SWITCH

WATER

TEMPERATURE

SENSOR

1x80x

8271433 3383824 8051314 8274221 N/A

3378083

(Thermostat)

1x77x

3384164 N/A

3370554

1x81x

N/A

8051310

1x83x

9744031 or

9744483

3376359

(98°C/208°F)

3383914

N/A N/A

3379320

3379486 (800/500w

PTC, 15-30Ω)

3374501

(Dual Wax)

3369067

1x86x

3384165 3383825

8274221

1x89x

3379319

N/A

3380871

1x95x

3383915

3379318

8051311

9743158

(Thermistor)

1x96x

3384096 3383825

3379372

1x97x

9744483

9743451

(110°C/230°F)

9744027 9743154 9742852

9744492 N/A

9743159 (670/435w

PTC, 18-35Ω)

9744335

(Solenoid)

9743413 9744284

1x98x

9744031 or

9744483

9744224 3383825

DP920

8271434

8051124

8274220

3378083

(Thermostat)

DU920

8051313

SUD6000

8051460

N/A

DU925, IJU586,

DU1000

9744031 or

9744483

3376359

(98°C/208°F)

8271433

N/A N/A

8051124

N/A

3379486 (800/500w

PTC, 15-30Ω)

N/A 8051314

3374501

(Dual Wax)

3369067 3370554

DU929

8051460 8051313

GU940, IJU588

8051127 8051312

9743158

(Thermistor)

GU980

3383914

8051133 8051311 3380871

GU990

3383915 3379372 8274221

ELECTRONIC CONTROL CONNECTOR PINS

NUMBER

DESCRIPTION

WIRE

COLOR

P1 Ribbon Cable To User Interface —

P2-1 Pressure Switch (Soil Sense) O-GY

P2-2 Thermistor/Thermostat GY-O

P2-3 Detergent Dispenser O-BK

P2-4 Rinse Aid Dispenser LBU

P2-5 Fill Valve BR

P3 Motor Main Winding BU

P4 Motor Aux Winding - Wash Y

P5 Motor Aux Winding - Drain GY

P6 Switched L1 to Heater W-R

P7 AC Neutral W-V

P8 L1 T

Switched L1 to Vent, Fill Valve,

Dual Dispenser, & Pressure Switch

BU-BK

P10 Switched L1 to Motor Common R-BK

P13

Ribbon Cable to User Interface for

Optional Rinse Aid Empty Light

—

P14

P15

Optional Rinse Aid Sensor RED

MANUFACTURED UNDER ONE OR MORE OF THE

FOLLOWING CANADIAN PATENTS:

1,159,749

1,159,750

1,159,751

1,162,463

1,185,646

1,278,462

1,288,666

1,288,667

1,288,668

DES.67.168

OTHER PATENTS PENDING

WHIRLPOOL CORP.- Rd.1990

MANUFACTURED UNDER ONE OR MORE OF THE

FOLLOWING UNITED STATES PATENTS:

3,951,683

4,134,003

4,301,882

4,319,598

4,319,599

4,350,306

4,418,868

4,449,765

4,693,526

4,732,323

4,732,431

4,746,177

4,765,697

4,776,620

4,805,647

4,822,241

4,834,125

4,848,382

4,927,033

4,991,611

5,005,740

5,018,550

5,031,649

5,031,651

5,033,659 5,039,828 5,069,360

DES.320,487 DES.320,488 DES.320,489 DES.314,256

OTHER PATENTS PENDING

SPECIFICATIONS

Electrical Supply:

(Under load) 60 Hz, 120 VAC.

Supply Water Flow Rate:

Tofill1.9liters(2quarts)in

27 seconds, 120 PSI maximum,

20 PSI minimum.

Supply Water Temperature:

49°-71° C(120° to 160° F)

(Before starting a cycle, run

water from sink faucet until hot.)

Water Charge:

8.3 liters (2.2 gallons) / fill approx.

Lower Spray Arm Rotation: 25 to 40 rpm.

Upper Spray Arm Rotation: 18 to 30 rpm.

REPAIR KITS

Vinyl Rack Patch Kit No. 676453

Tine Tip Kit No. 675679

FOR STAINLESS STEEL TUB

MODELS ONLY:

REMOVING THE ARTICULATED VENT ASSEMBLY

1. Disconnect electrical power from dishwasher.

2. Open dishwasher door. Remove four (4) screws at the top of

stainless steel inner door panel to loosen console. Hold

console to prevent strain on wiring.

3. Close door and pull top of console away from door.

Disconnect ribbon cable and rinse aid sensor connectors

from console circuit board.

4. Lift console up to disengage bottom tabs from door frame.

Set console aside.

5. Disconnect electrical connectors from wax motor terminals.

Open door and place your hand under the vent assembly to

support it when it is released.

6. Insert the end of a screwdriver into the notch in the vent louver.

Push counter-clockwise to rotate louver approximately 1/8 turn

to release it. See Figure 3.

7. Retain the vent louver and seal ring for later reinstallation.

REINSTALLING THE ARTICULATED

VENT ASSEMBLY

1. Place seal ring in seal ring groove of

vent assembly.

2. Close dishwasher door. Align

the plastic post at the top of vent

assembly with the notch in door

frame.

3. Move vent assembly into position so

seal ring contacts stainless steel inner

door panel.

4. Open door and place vent louver over

vent assembly, making sure it is seated.

Turn louver clockwise by hand to engage

vent assembly.

5. Insert the end of a screwdriver into the notch

in the vent louver. Push clockwise to rotate the

louver approximately 1/8 turn to lock it in position.

See Figure 3.

6. Reinstall console by first engaging bottom tabs

into door frame and control mounting bracket,

making sure that the latch link is properly inserted

into the latch ever as the console is rotated into the

proper position. Reconnect ribbon cable and rinse

aid sensor connectors to console circuit board.

7. Press top of console against door and attach the

console by reinstalling the four (4) screws at the top

of the stainless steel inner door panel.

8. Reconnect electrical power to dishwasher.

Counter-Clockwise

to Release

Inner

Door

Panel

Seal

Ring

Vent

Assembly

Plastic Post

Clockwise

to Lock

Vent

Louver

Notch

Figure 3

REMOVING THE DETERGENT DISPENSER

1. Disconnect electrical power from dishwasher.

2. With dishwasher door closed, loosen the two (2) toe panel

screws, but do not remove them.

3. Remove two (2) screws from top of access panel. Pull top of

access panel away from door, lift up and remove. See Figure 4.

4. Remove two (2) screws from bottom of outer door panel.

5. Refer to detail inset in Figure 4. Slide outer door panel

downward until slots in door panel align with slots in

door frame, then pull door panel straight off.

6. Disconnect electrical connectors from terminals of

dispenser solenoid.

7. Referring to Figure 5, remove the two (2) metal dispenser

retainers: First remove the two (2) outer edge screws from

the control mounting bracket and detergent dispenser shield.

Next remove the three (3) screws from the bottom retainer,

releasing it. Reach under the detergent dispenser shield to

remove the remaining screw from the center hole of the

upper retainer. Set the retainers aside for later reinstallation.

Toe Panel

Screw (2)

Outer

Door

Panel

Outer

Door

Panel

Outer Door

Panel Screws

Access

Panel Screws

Door

Frame

Access Panel

Toe Panel

Console

Figure 4

Figure 5

8. With dishwasher door open, reach under and press

the tabs at each end of dispenser to release it. Lift

dispenser up from inner door panel to remove it.

9. Remove blue rinse aid cap to take note of

rinse aid dial setting, then replace cap.

INSTALLING THE DETERGENT

DISPENSER

1. Remove the blue rinse aid knob.

Using a coin, turn the dial to setting

used previously, then replace knob.

2. Snap dispenser into place from

inside the dishwasher. Close the

door. Referring to Figure 5, replace

the metal dispenser retainers. Install

one (1) screw each into the center

hole of each retainer. Place two (2)

screws in the remaining holes of

the lower retainer and tighten. Insert

the two (2) remaining screws through

the upper dispenser retainer and

dispenser shield, and tighten. Make

sure that the detergent dispenser shield

is properly installed and captured by the

top dispenser retainer.

3. Connect electrical connector to

detergent dispenser solenoid, in any order.

Connect rinse aid dispenser indicator harness

to reed switch, if applicable.

4. Refer to detail inset in Figure 4. Align slots in outer

door panel with slots in door frame, push door panel

in and slide upward. Install two (2) screws at bottom

of outer door panel. Be sure that door insulation is

installed in unit.

5. Slide access panel slots down over toe panel

screws. Press top of access panel against dish-

washer and tighten two (2) screws at top of panel.

6. Tighten toe panel screws.

7. Reconnect electrical power to dishwasher.

FOR PLASTIC TUB MODELS ONLY:

ARTICULATED VENT ASSEMBLY &

ELECTRONICS COVER REMOVAL

1. Disconnect electrical power from dishwasher.

2. Refer to Figure 1. Open dishwasher door and insert the

end of a screwdriver into the notch in the vent louver.

Push counter-clockwise to rotate louver approximately

1/8 turn to release it. Remove louver and set aside for

later reinstallation.

3. Remove eight (8) screws around perimeter of the

inner door panel and remove panel. See Figure 1.

4. To remove the vent assembly, refer to Figure 2 and

disconnect two (2) electrical harness wire leads from

wax motor terminals. Lift out the vent assembly,

retaining the seal ring for later reinstallation.

5. To access electronic controls, press in on snap tab at

end of electronics cover to release, then lift cover up at

tab end as you slide cover out. See Figure 2.

ARTICULATED VENT ASSEMBLY &

ELECTRONICS COVER REINSTALLATION

1. Reinstall electronics cover by sliding it into position

above controls and pressing down till snap tab holds it

in place. (Figure 2 shows cover removal.)

2. Reinstall the vent assembly. Refer to Figure 2 and

reconnect two (2) electrical harness wire leads to the

wax motor terminals. Place seal ring in seal ring groove

of vent assembly, and lower vent assembly into place.

3. Reinstall inner door panel. Align it in place over the vent

assembly, and reinstall eight (8) screws around the

inner door panel perimeter. See Figure 1.

4. Align vent louver over vent assembly, and turn louver

clockwise by hand to engage vent assembly.

5. Insert the end of a screwdriver into the notch in the vent

Inner

Door Panel

Counter-Clockwise

to Release

(8)

Inner Door Panel

Screws

Clockwise

to Lock

Vent

Louver

Notch

Figure 1

louver. Push clockwise to rotate louver approximately

1/8 turn to lock it in position. See Figure 1.

6. Reconnect electrical power to dishwasher.

Seal

Ring

Snap

Tab

Harness Wire

Leads Location

Electronics

Cover

Vent

Assembly

Figure 2

FOR SERVICE TECHNICIAN'S USE ONLY FOR SERVICE TECHNICIAN'S USE ONLY FOR SERVICE TECHNICIAN'S USE ONLY PAGE 1

FOR SERVICE TECHNICIAN'S USE ONLY FOR SERVICE TECHNICIAN'S USE ONLY FOR SERVICE TECHNICIAN'S USE ONLY

1 2

Summary of Contents

Page 1 - PART NO. 9744480

PRECAUTIONS TO BEOBSERVED BEFORE ANDDURING SERVICING OFDISHWASHERA. Even with the door open, there is line voltage atseveral points in the console and

Page 2

INTERVAL37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 15 14 13 12 11 10 9 8 7 6POTS & PANS / ANTI-BACTERIAHEAVY / SOAK & SCRUB54321 03839

Whirlpool DU1000 User Manual

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Whirlpool DU1000 User Manual

Browse online or download User Manual for Dishwashers Whirlpool DU1000. Whirlpool Pwr Cln DW Tech Sheet

Summary of Contents

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