Whirlpool WGD6400SW0 Teknik Sayfa

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TECH SHEET - DO NOT DISCARD

WARNING

Electrical Shock Hazard

Disconnect power before servicing.

Replace all parts and panels before

operating.

Failure to do so can result in death

or electrical shock.

IMPORTANT

Electrostatic Discharge (ESD) Sensitive

Electronics

ESD problems are present everywhere. ESD may

damage or weaken the machine control

electronics. The new control assembly 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 machine control electronics by

edges only.

When repackaging failed machine control

electronics in anti-static bag, observe above

instructions.

DIAGNOSTIC GUIDE

Before servicing, check the following:

Make sure there is power at the wall outlet.

Has a household fuse blown or circuit breaker

tripped? Time delay fuse?

Is dryer vent properly installed and clear of lint or

obstructions?

All tests/checks should be made with a VOM

(volt-ohm-milliammeter) or DVM (digital-voltmeter)

having a sensitivity of 20,000 ohms per volt DC or

greater.

Check all connections before replacing components.

Look for broken or loose wires, failed terminals, or

wires not pressed into connectors far enough.

A potential cause of a control not functioning is

corrosion on connections. Observe connections and

check for continuity with an ohmmeter.

Connectors: Look at top of connector. Check for

broken or loose wires. Check for wires not pressed

into connector far enough to engage metal barbs.

Resistance checks must be made with dryer

unplugged or power disconnected.

FOR SERVICE TECHNICIAN'S USE ONLY

DIAGNOSTIC TESTS

These tests allow factory or service personnel to test and verify all inputs to

the machine control electronics. You may want to do a quick and overall

checkup of the dryer with these tests before going to specific

troubleshooting tests.

ACTIVATING THE DIAGNOSTIC TEST MODE

1. Be sure the dryer is in standby mode (plugged in with all indicators off,

or with only the Clothes Dry indicator on).

2. Select any one button (except Pause/Cancel) and follow the steps below,

using the same button (remember the button):

Press/hold

Release for

2-5 seconds

3. If this test mode has been entered successfully, all indicators on the

console are illuminated for 5 seconds with

Time Remaining two-digit display.

DIAGNOSTIC: Unsuccessful Entry

If entry into diagnostic mode is unsuccessful, press the Pause/Cancel

button twice, then press the Power button.

If indicators come on, try to use a different button than was used to

activate the diagnostic test mode. If that button fails to enter the

diagnostic mode, something is faulty, and it is not possible to enter the

diagnostic mode. Go to TEST #2, page 6.

If no indicators come on after pressing the Power button, go to TEST #1,

page 6.

DIAGNOSTIC: Saved Fault Codes

If there are saved fault codes, the most recent fault code will alternately

show "F-" and "XX" where XX is the fault code.

Press and release the

same button used to

beep tone

activate Diagnostics

Repeat

beep tone

Repeat

beep tone

Repeat

All indicators momentarily turn off, then stay on.

DIAGNOSTIC: Console Buttons and Indicators

Pressing the console buttons or rotating the cycle selector will sound a

beep and will turn on or off the corresponding indicators as shown in

Figure 1, Console Diagnostics, page 2. Pressing Time Adjust

time) will sound a beep and turn the left digit of the display on or off.

Pressing Time Adjust

(less time) will sound a beep and turn the right

digit of the display on or off.

If indicators fail to turn on or off and beep after pressing buttons or

rotating the cycle selector, go to TEST #6, page 9.

DIAGNOSTIC: Door Switch

Opening the door should cause a beep and an alphanumeric number to be

displayed. Closing the door should cause a beep and

If opening the door fails to cause a beep and a number and letter to be

displayed, go to TEST #7, page 10.

DIAGNOSTIC: Moisture Sensor

Open the door and locate two metal strips on the inside of the dryer. Bridge

these strips with a wet cloth or a finger.

If a continuous beep tone is heard and an alphanumeric number is

displayed on the console, the sensor is OK.

If not, or if a continuous beep tone is heard before bridging the moisture

strips, go to TEST #5, page 9.

Press/hold

Release for

2-5 seconds

showing in the Estimated

Second most recent fault code is displayed.

Third most recent fault code is displayed.

Fourth most recent fault code is displayed.

to be displayed.

PART NO. W10054160

PAGE 1

Press/hold

2-5 seconds

(more