Kenmore 40289032010 Manual

CLOTHES DRYER

Technical Information

Models: 402.89032010

IMPORTANT SAFETY NOTICE - "For Technicians only" This service data sheet is intended for

use by persons having electrical, electronic, and mechanical experience and knowledge at a level

generally considered acceptable in the appliance repair trade. Any attempt to repair a major

appliance may result in personal injury and property damage. The manufacturer or seller cannot

be responsible, nor assume any liability for injury or damage of any kind arising from the use of

this data sheet.

• Due to possibility of personal injury or property damage, always contact an authorized

technician for servicing or repair of this unit.

• Refer to Service Manual for detailed installation, operating, testing, troubleshooting, and

disassembly instructions.

A CAUTION

All safety information must be followed as provided in Service Manual.

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer

before servicing, unless testing requires power.

Code N o .: DC68-02365C

INFORMATION CODES

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

ERROR ITEMS AND DIAGNOSTIC CODES

An occurrence of an Error will make a sound of error melody for 5 seconds and continuously show

one of the Error Displays from the following errors.

TEST MODE

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

Continuous Run Mode

How to Enter:

Buttons to press to enter test

Dry Level + Chime

7 Sec

Dryer Status for test

Power On State

(Normal User Mode)

Test Mode

Continuous Run Mode

Continuous Run Mode:

1. Press "Dry Level" + "Chime” for 7 seconds during Power On 5tate(Normal User Mode).

2. Once in Continuous Run Mode, 7-Segment will toggle display "cc" and the remaining time.

3. The previous cycle will restart during Continuous Run Mode until Continuous Run Mode is

disabled.

4. During Continuous Run Mode, press "Dry Level" + "Chime" for 7 seconds to return to Normal

User Mode. 7-segment will no long display "cc" and only display the remaining time.

Service Mode

Service Mode:

This mode is composed to Sensor Bar Touch Data Display Mode and Cycle Count Display Mode

and Software Version Display Mode. Those are Special Test Mode.

How to Enter:

1. Dryer must be on before Service Mode can be entered.

2. Press 'Temp" and "Chime" Keys for 3 seconds, or until 3 beeps are heard.

3. The machine will now be in Service Mode.

Sensor Bar Touch Data Display Mode

Definition of Sensor Bar Touch Data Display Mode:

1. This mode is default mode of Special Test Mode(lnitial Special Test Mode).

2. Dryer will display Sensor Bar Data.

How to Enter:

This is same as a Service Mode.

Definition of Cycle Count Mode:

1. This mode is second mode of Special Test Mode.

2. Dryer will display Cycle number.

How to Enter:

To enter Special Test Mode press While in Service Mode pressing the "Chime" key until the

control beep.

TEST MODE

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

Software Version Display Mode

Definition of Software Version Display Mode:

1. This mode is third mode of Special Test Mode.

2. Dryer will display software version.

How to Enter:

1. To enter Special Test Mode press While in Service Mode pressing the 'Temp" key until the

control beep.

example) In case of "U105", "U1" means major version, "05" means minor version.

Temperature Display Mode(in Celsius)

Definition of Temperature Display Mode:

Dryer will display temperature of drum inside in Celsius.(Unit is0.1°C)

How to Enter:

1. Under Normal User Mode, Press "More Time" and "Less Time" keys simultaneously for 7

seconds.

2. This action will put the dryer into Touch Sensor Mode.

3. Under Touch Sensor Mode, Press "More Time" Key.

• Converting °C -» °F

Celsius(°C) 0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00

Fahrenheit(°F) 32.00 50.00 68.00 86.00 104.00 122.00 140.00 158.00

Celsius(°C) 80.00 90.00 100.00 110.00 120.00

Fahrenheit(°F) 176.00 194.00 212.00 230.00 248.00

System Check Mode

How to Enter:

Buttons to press to enter test Test Mode

Temp + Power Key System Check Mode

Dryer Status for test

Power Off State

(Normal User Mode)

System Check Mode:

1. While in Power Off, pressing the 'Temp" + "Power" keys simultaneously will put the dryer into

the System Check Mode.

2. " t2" will display.

3. System Check Mode Progress t2 mode Function Performed Start/Pause

Motor(CW) Relay On -* Heater Relay On -» Heater Relay Off -* Motor(CW) Relay Off (Circulation)

TROUBLE SHOOTING

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

TROUBLE DIAGNOSIS

As the micom dry machine is configured of the complicate structure, there might be the

service call.

Below information is prepared for exact trouble diagnosis and suitable repair guide.

Caution for the Repair and Replacement

Please follow below instruction for the trouble diagnosis and parts replacement.

1) As some electronic components are damaged by the charged static electricity from the resin

part of dryer or the human body, prepare the human body earth or remove the potential

differ ence of the human body and dryer by contacting the power supply plug when the work

contacting to PCB is executed.

2) Perform troubleshooting before replacing the PCB assembly.

TROUBLE SHOOTING

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

No Problem Recommended Checks/Procedures

1Will Not Start or Run

• Check power to the machine.

• Dryer is plugged in.

• Blown fuse or circuit breaker.

• Door switch functional...door closed. Check for error code 3 (See

Table for codedefinition).

• Start/Pause rotary selector dial functional.

• Control Board operational.

• Belt off or broken and Belt Cut-off Switch operates.

• Drive motor functional.

• Check motor winding resistance: 2.88ohms between pin #3 and

4 ,3.5ohms between pin #4 and 5.

2Motor runs/ tumbler

will not turn

• Belt off or broken/damaged.

• Idler tension spring too weak or stretched.

• Idler pulley jammed or stuck.

3Runs a few minutes

and then stops

• Lint buildup around drive motor.

• Low voltage present.

• Blower impeller blocked in blower housing.

• Drive motor - start switch contacts stuck closed.

Blows fuses or trips

circuit breaker while

running(Elec. Model)

• Read a amp.(if machine is drawing high current or if breaker is

weak, breaker/fuse rated too low, or wrong fuse installed)

• Is the belt connected well?

• Is the winding of the motor continuous?

(Rotor winding, stator winding, generator)

• Is the motor protector normal?

• If above points are not found, the PCB assembly is out of order.

Replace it.

Blows fuses or trips

circuit breaker while

running(Gas Model)

• If the dryer is drawing more amperage than it is suppose to,

then the dryer is at fault. If the breaker is tripping or fuse is

blowing and the dryer is drawing the correct amperage, then

the problem is in the house electrical system.

• Igniter harness loose and shorted to base.

• Incorrect wiring or wire shorted to ground.

• Drive motor winding shorting to ground.

6Will not heat (motor

runs)

Open heating element.

• Regulating thermostat trips easily or is open.

• Check Thermistor.

Will Not Dry

Gas Model

Poor Gas Ignition

When the dryer is operated on a heat setting, the igniter should be

energized and burner shall fire within 45 seconds at 120 VAC. The

failure of a component in this system will usually be indicated by one

of three symptoms:

TROUBLE SHOOTING

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

No Problem Recommended Checks/Procedures

8The igniter does not

glow

If the igniter does not heat up, remove power and using an

ohmmeter, check the following:

• No power from control(L1 supply)

• Open igniter while calling for heat

• Open flame sensor

• Open motor switch(Neutral supply)

9Igniter glows - No gas

ignition

If the igniter heats up but the main burner flame is not ignited,

remove power and using an ohmmeter, check the following:

• Open secondary coil

• Open holding coil

• Open wire harness

10 The gas is ignited but

the flame goes out

If a normal ignition takes place and after a short while the flame goes

out, check for the following:

• Poor venting

• Gas coils break down under a load.

• WeakHi-Limit

• Bad drum seals

Improper drying

clothes wrinkled

Rough texture long

dry time

• Lint filter is not clean.

• Restriction in exhaust.

• Outside exhaust hood damper door stuck closed.

Exhaust too long, too many elbows, flex ductwork installed.

Poor intake air available for the dryer.

Incorrect tumbler speed. Tumbler belt slipping.

Blower wheel broken, check for foreign material in blower area.

Customer overloading dryer.

Check clothing labels for fabric content and cycle selected.

Clothes too wet due to insufficient spin out by washer.

12 Noisy and/Or

Vibration

Thumping Check for loose tumbler baffle, rear tumbler roller(s)

worn or misaligned, out-of-round tumbler or high weld seam on

tumbler.

Ticking Check for loose wire harness or object caught in blower

wheel area.

Scraping Check for front or rear bulkhead felt seal out of

position or worn tumbler front bearings.

Roaring Check for blower wheel rubbing on blower housing or

bad motor bearings.

Popping or check for idler on squealing sound. Check for a

sticky or frayed belt.

TROUBLE SHOOTING

___________________

A WARNING

_____________________

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

____________

COMPONENT TESTING PROCEDURES

Component Electrical Testing (with ohmmeter)

• Thermistor resistance 10K Q @ 25°C 77°F

(2P-Blue & Red wire)

• Thermostat 1 resistance < 1 Cl (White &

Yellow wire)

• Thermostat 3 resistance < 10 (Red & Black wire)

- If resistance is infinity, replace thermostat 3.

• Thermostat 2 resistance < 10 (Blue & Black wire)

- If resistance is infinity, replace thermostat 2.

• Heater resistance 10 O (Blue & Blue wire)

- If resistance is infinity, replace Heater.

• Measure resistance of the following terminal

1) Door switch : open

Terminal: "COM" - "NC" (1 -3) < 10

Terminal: "COM" - "NO" (1 -2): «> O

2) Door switch push: On

Terminal: "COM" - "NC" (1 -3 ):« o

Terminal: "COM" - "NO" (1 -2) < 1 Cl

• Belt Cut-off Switch

- Lever open: Resistance value < 10

- Lever push: Resistance value: °° O

BELT CUT-OFF SWITCH 125V, 15A

• Lamp resistance 80-100 O (Violet & gray)

• Motor (Electronic & GAS)

Contacts

Function 1M 2M 3M 5M 6M

Start

Run

• = Contact dosed

Centrifugal Switch (Motor)

TROUBLE SHOOTING

GAS MODEL

Radiant Sensorfl ORS)

Resistance value < 1 fi

If resistance is infinite, replace Radiant sensor

Igniter(IOID)

Resistance value 40-400 O

If resistance is infinite, replace Igniter

Gas Valve(25M01A)

Valve 1-2 : Resistance value 1.2Kfi

Valve 1-3 : Resistance value 0.5K fi

Valve 4-5 : Resistance value 1.2K fi

If resistance is infinity, replace Valve

Thermostat (60T21 Hi-Limit)230F-50F

Resistance value < 1 fi

If resistance is infinity, replace Thermostat

A WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

TROUBLE SHOOTING

___________________

A WARNING

_____________________

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before

servicing, unless testing requires power.

1. AC Power Port - Motor Relay Switch - Heater Relay Switch

2. AC Power Off Detection

Sensor

3. Door Detection Sensor

Sensor Bars & temperature sensor check

Sensor Bars - Disconnect harness and test Pink

wire Pin 4 to Orange wire Pin 5.

Approx °° O without laundry

This mode is default mode of entering Special Test

Mode. Refer to page 3.

Cycling Thermistor - Disconnect harness and test

Blue wire Pin 2 to Red wire Pin 6.

Approx 10 KO at 25 °C/77 °F

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