Whirlpool YWED8300SW2 Troubleshooting Guide download pdf

TECH SHEET - DO NOT DISCARD PAGE 1

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. A

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.

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 Cycle Complete indicator on).

2. Select any one button (except PAUSE/CANCEL) and follow

the steps below, using the same button (remember the

button):

Press/hold

3 seconds

➔

Release for

3 seconds

➔

Press/hold

3 seconds

➔

Release for

3 seconds

➔

Press/hold

3 seconds

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

on the console are illuminated for 5 seconds with

88 showing

in the Estimated Time Remaining two-digit display. If there are

no saved fault codes or active fault codes, all indicators on

the console will momentarily turn off, then stay on with

displayed.

DIAGNOSTIC: Unsuccessful Entry

If entry into diagnostic mode is unsuccessful, refer to the

following indications and actions:

Indication 1:

None of the indicators or display turns on.

Action:

Select any cycle.

➔

If indicators come on, try to change the function for the

button used to activate the diagnostic test mode. If that

button fails to change the function, something is faulty with

the button, and it is not possible to enter the diagnostic

mode.Remove the console electronics and housing

assembly. See Accessing & Removing the Electronic

Assemblies, page 10.

➔

If no indicators come on after selecting the cycle, go to

TEST #1, page 4.

Indication 2:

Fault code flashes from the display.

Action:

Review the Display Fault/Error Codes table, page 2, for

the recommended procedure.

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, and all

the cycle selector indicators flash.

Press and release

the same button

used to activate

Diagnostics

➔

beep tone

➔

Second most recent fault code is

displayed.

Repeat

➔

beep tone

➔

Third most recent fault code is displayed.

Repeat

➔

beep tone

➔

Fourth most recent fault code is displayed.

Repeat

➔

All indicators momentarily turn off, then stay on.

DIAGNOSTIC: Active Fault Codes

If there is an active fault code, it will be flashing in the display

(the cycle indicators do not flash). Review the Display Fault/Error

Codes table, page 2, for the recommended procedure.

If there is no active fault code,

88 will be displayed.

DIAGNOSTIC: Console Buttons and Indicators

Pressing buttons and rotating the cycle selector will turn off the

corresponding indicator and sound a beep as shown in figure 1,

Console Diagnostics, page 2. Pressing (more time) will

toggle the left digit on the display while sounding a beep.

Pressing (less time) will toggle the right digit on the display

while sounding a beep.

If indicators fail to come on and beep after pressing buttons and

rotating the cycle selector, go to TEST #5, page 9.

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - 88 will be displayed

TECH SHEET - DO NOT DISCARD PAGE 1FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. AWARNINGElectrical Shock HazardDisconnect power before servi

Page 2 - 9b, 9C, 9d, 9E, or 9F

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ATECH SHEET - DO NOT DISCARD PAGE 10REMOVING THE TOE PANEL1. Unplug dryer or disconnect power.

Page 3 - GAS DRYER WIRING DIAGRAM

TECH SHEET - DO NOT DISCARD PAGE 11FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ARemoving the Console Electronicsand Housing AssemblyThe co

Page 4 - TEST #1 Supply Connections

01/06 FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ATECH SHEET - DO NOT DISCARD PAGE 12SOFTWARE COPYRIGHTED.MANUFACTURED UNDER ONE OR MOREO

Page 5 - TEST #2 Motor Circuit

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ATECH SHEET - DO NOT DISCARD PAGE 2Power button controlsStatus indicatorsbelow left and theLoc

Page 6 - TEST #3 Heater

TECH SHEET - DO NOT DISCARD PAGE 3FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. AP8-2GNDP8-2GNDRCENTRIFUGAL SWITCH2M1M5M6M3MR – LINE L2WDOOR

Page 7 - F-22 or F-23

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ATECH SHEET - DO NOT DISCARD PAGE 4PROBLEM POSSIBLE CAUSE / TESTNOTE: Possible Cause/Tests MUS

Page 8 - TEST #4 Moisture Sensor

TECH SHEET - DO NOT DISCARD PAGE 5FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. A5. Access the machine control electronicswithout disconnect

Page 9 - 0E, 09)

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ATECH SHEET - DO NOT DISCARD PAGE 64. Check the belt switch and drive motor.Access the belt sw

Page 10 - ASSEMBLIES

TECH SHEET - DO NOT DISCARD PAGE 7FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ARemoving the Electronic Assemblies,page 10.➔If 5–15 k ohms

Page 11 - REMOVING THE BACK

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. ATECH SHEET - DO NOT DISCARD PAGE 85. If the exhaust temperature is not withinspecified limits

Page 12

TECH SHEET - DO NOT DISCARD PAGE 9FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8572759 REV. A8. Measure the resistance acrosseach of the outermostcontac

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Whirlpool YWED8300SW2 Troubleshooting Guide

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