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Whirlpool WED6600VW0 - User Manual

Whirlpool WED6600VW0
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TECH SHEET - DO NOT DISCARD PAGE 1
FOR SERVICE TECHNICIAN’S USE ONLY PART NO. W10156037A
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? Was a regular fuse
used? Use a 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 Ω 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 Done indicator on).
2. Select any one button (except Pause/Cancel) and follow the steps below,
using the same button (remember the button):
Press/hold
2-5 seconds
➔
Release for
2-5 seconds
➔
Press/hold
2-5 seconds
➔
Release for
2-5 seconds
➔
Press/hold
2-5 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.
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 4.
➔
If no indicators come on after pressing the Power button, go to TEST #1,
page 4.
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 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: 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 (more 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 8.
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
88 to be displayed.
➔
If opening the door fails to cause a beep and a number and letter to be
displayed, go to TEST #7, page 8.
DIAGNOSTIC: Moisture Sensor
1. Open the door and locate two metal strips on the inside of the dryer. Using a
wet cloth or one finger, jointly touch both strips.
➔
If a continuous beep tone is heard and an alphanumeric number is
displayed on the console, the sensor is OK.
➔
If a continuous beep tone is not heard, or if a continuous beep tone is
heard before touching both moisture strips, go to step 2.
2. Check to see if there is water in the dryer around the moisture strips.
➔
If no water is present, go to TEST#5, page 7.
➔
If water is present, wipe the strips off with a dry cloth and repeat step 1.
➔
If wiping the strips does not stop the beeping, run a timed dry cycle for
2 minutes to dry out the drum, then repeat this diagnostic test.
DIAGNOSTIC: Motor, Heater, and Console ID
Close the door. Press the Start button. The motor and heater will turn on, and the
display will show one of the following console IDs:
C0, C1, C2, C3, C4, C5, C6,
C7, C8, or C9.
➔
If none of the Console IDs listed above are displayed, replace the user
interface assembly. See Accessing & Removing the Electronic Assemblies,
page 9.
➔
If the motor does not turn on, go to TEST #3, page 5.
➔
If no heat is detected, go to TEST #4, page 6.

Table of Contents

Other manuals for Whirlpool WED6600VW0

Preview: Installation Instructions
Installation Instructions16 pages

Questions and Answers

Summary

Dryer Diagnostic Guide

Pre-Service Checks

Essential checks before starting any dryer service or troubleshooting.

Dryer Diagnostic Test Procedures

Activating Diagnostic Mode

Steps to enter and initiate the dryer's diagnostic test mode.

Handling Unsuccessful Entry

Procedures to follow if the diagnostic mode cannot be activated.

Saved Fault Codes

How to access and interpret stored fault codes for diagnostics.

Console Buttons and Indicators

Testing the function of console buttons and indicator lights.

Door Switch Test

Verifying the operation of the dryer's door switch.

Moisture Sensor Test

Procedure to test the dryer's moisture sensing capability.

Motor, Heater, and Console ID

Testing motor, heater, and identifying console type within diagnostics.

Dryer Diagnostic Tests

Displaying Inlet Air Flow

Checking and displaying the dryer's inlet air flow rate.

Displaying Line Voltage

Measuring and displaying the incoming line voltage to the dryer.

Dryer Manual Load Test

Activating Manual Load Test

Steps to activate and run manual load tests on dryer components.

Dryer Manual Load Test Procedures

Steam Model Manual Load

Specific manual load test steps for steam dryer models.

Dryer Fault Code Descriptions

Dryer Display Fault Codes

Explanations of error codes displayed on the dryer console.

Dryer Troubleshooting Guide

Common Dryer Problem Solutions

Guidance for diagnosing and resolving common dryer operational issues.

Dryer Troubleshooting Tests

Test #1 Supply Connections

Verifying the dryer's electrical supply connections.

Test #2 Machine Control Power Check

Checking for power at the machine control electronics.

Dryer Troubleshooting Tests (Cont.)

Test #3 Drive Motor Circuit

Testing the dryer's drive motor and its associated wiring.

Dryer Troubleshooting Tests (Cont.)

Test #4 Heater Circuit

Diagnosing issues related to the dryer's heating element.

Test #4 a Thermistor Testing

Procedures for testing exhaust and inlet thermistors.

Dryer Troubleshooting Tests (Cont.)

Test #4 b Thermal Fuse

Checking the continuity of the thermal fuse.

Test #4 c Thermal Cut-Off

Verifying the operation of the thermal cut-off component.

Test #5 Moisture Sensor

Comprehensive test for the dryer's moisture sensor system.

Dryer Troubleshooting Tests (Cont.)

Test #6 Buttons and Indicators

Testing console buttons and indicator lights for proper function.

Test #7 Door Switch

Verifying the functionality of the door switch.

Test #8 Water Valve (Steam Model)

Testing the water valve operation on steam models.

Adjusting Drying Modes

Customer-Focused Drying Modes

Customizing drying cycle intensity for user preference.

Dryer Component Removal

Front Panel;Drum Assembly Removal

Step-by-step guide to removing the front panel and drum assembly.

Electronic Assemblies Access

Procedures for accessing machine control and user interface electronics.

Dryer Component Removal (Cont.)

Reinstalling Electronic Assemblies

Instructions for reassembling electronic components after service.

Back Panel Removal

Steps to remove the rear access panel for servicing.

Dryer Wiring Diagrams

Single Element Model Wiring

Electrical schematic for single-element dryer models.

Dual Element Model Wiring

Electrical schematic for dual-element dryer models.

Dryer Wiring Diagrams (Cont.)

Steam Model Wiring

Electrical schematic for steam-equipped dryer models.

Motor Switch Diagrams

Diagrams illustrating centrifugal and pluggable drive motor switch functions.

Summary

Dryer Diagnostic Guide

Pre-Service Checks

Essential checks before starting any dryer service or troubleshooting.

Dryer Diagnostic Test Procedures

Activating Diagnostic Mode

Steps to enter and initiate the dryer's diagnostic test mode.

Handling Unsuccessful Entry

Procedures to follow if the diagnostic mode cannot be activated.

Saved Fault Codes

How to access and interpret stored fault codes for diagnostics.

Console Buttons and Indicators

Testing the function of console buttons and indicator lights.

Door Switch Test

Verifying the operation of the dryer's door switch.

Moisture Sensor Test

Procedure to test the dryer's moisture sensing capability.

Motor, Heater, and Console ID

Testing motor, heater, and identifying console type within diagnostics.

Dryer Diagnostic Tests

Displaying Inlet Air Flow

Checking and displaying the dryer's inlet air flow rate.

Displaying Line Voltage

Measuring and displaying the incoming line voltage to the dryer.

Dryer Manual Load Test

Activating Manual Load Test

Steps to activate and run manual load tests on dryer components.

Dryer Manual Load Test Procedures

Steam Model Manual Load

Specific manual load test steps for steam dryer models.

Dryer Fault Code Descriptions

Dryer Display Fault Codes

Explanations of error codes displayed on the dryer console.

Dryer Troubleshooting Guide

Common Dryer Problem Solutions

Guidance for diagnosing and resolving common dryer operational issues.

Dryer Troubleshooting Tests

Test #1 Supply Connections

Verifying the dryer's electrical supply connections.

Test #2 Machine Control Power Check

Checking for power at the machine control electronics.

Dryer Troubleshooting Tests (Cont.)

Test #3 Drive Motor Circuit

Testing the dryer's drive motor and its associated wiring.

Dryer Troubleshooting Tests (Cont.)

Test #4 Heater Circuit

Diagnosing issues related to the dryer's heating element.

Test #4 a Thermistor Testing

Procedures for testing exhaust and inlet thermistors.

Dryer Troubleshooting Tests (Cont.)

Test #4 b Thermal Fuse

Checking the continuity of the thermal fuse.

Test #4 c Thermal Cut-Off

Verifying the operation of the thermal cut-off component.

Test #5 Moisture Sensor

Comprehensive test for the dryer's moisture sensor system.

Dryer Troubleshooting Tests (Cont.)

Test #6 Buttons and Indicators

Testing console buttons and indicator lights for proper function.

Test #7 Door Switch

Verifying the functionality of the door switch.

Test #8 Water Valve (Steam Model)

Testing the water valve operation on steam models.

Adjusting Drying Modes

Customer-Focused Drying Modes

Customizing drying cycle intensity for user preference.

Dryer Component Removal

Front Panel;Drum Assembly Removal

Step-by-step guide to removing the front panel and drum assembly.

Electronic Assemblies Access

Procedures for accessing machine control and user interface electronics.

Dryer Component Removal (Cont.)

Reinstalling Electronic Assemblies

Instructions for reassembling electronic components after service.

Back Panel Removal

Steps to remove the rear access panel for servicing.

Dryer Wiring Diagrams

Single Element Model Wiring

Electrical schematic for single-element dryer models.

Dual Element Model Wiring

Electrical schematic for dual-element dryer models.

Dryer Wiring Diagrams (Cont.)

Steam Model Wiring

Electrical schematic for steam-equipped dryer models.

Motor Switch Diagrams

Diagrams illustrating centrifugal and pluggable drive motor switch functions.

Overview

  1. Function Description
  2. Usage Features
  3. Maintenance Features

This document outlines the diagnostic and troubleshooting procedures for a dryer, covering its various functions, user interface, and internal components. It serves as a comprehensive guide for service technicians to identify and resolve issues, ensuring the appliance operates correctly.

Function Description

The dryer is designed to efficiently dry clothes using a combination of heat, air circulation, and drum rotation. It features a user-friendly console with various buttons and indicators for cycle selection, dryness levels, temperature adjustments, and additional options like wrinkle shield and end-of-cycle signals. The machine control electronics manage these functions, including monitoring inlet and exhaust temperatures, line voltage, and moisture levels to optimize drying performance and prevent damage.

Key functions include:

  • Drying Cycles: Offers a range of automatic and timed drying cycles, such as Heavy Duty, Normal, Perm Press, Casual, and Delicates, allowing users to select the appropriate setting for different fabric types.
  • Moisture Sensing: Utilizes metal sensor strips within the drum to detect moisture levels in clothes, automatically adjusting drying time to prevent over-drying or under-drying.
  • Temperature Control: Monitors and regulates the inlet and exhaust temperatures using thermistors to maintain desired heat levels for safe and effective drying.
  • Air Flow Management: Detects and displays the air flow value at the inlet of the heater box, indicating potential obstructions in the lint screen or vent system.
  • Motor and Heater Operation: Controls the drive motor for drum rotation and the heating element for generating heat, essential for the drying process.
  • Door Switch: Ensures the dryer operates only when the door is securely closed, enhancing safety.
  • Steam Function (Steam Models): Incorporates a water valve and nozzle to introduce steam into the drum, helping to relax wrinkles and refresh clothes.
  • Diagnostic Test Mode: Provides a structured way for technicians to test individual components and functions, display fault codes, and verify repairs.

Usage Features

The dryer's design emphasizes ease of use and flexibility in drying options:

  • Console Interface: A central rotating knob allows users to select different drying cycles, while dedicated buttons control modifiers like dryness level, temperature, and additional options.
  • Estimated Time Remaining Display: A two-digit display shows the estimated time left in a cycle, providing convenience for users.
  • Adjustable Settings: Users can fine-tune dryness levels (More, Normal, Less, Damp) and temperature settings (High, Medium, Low, Extra Low, Air Only) to suit their preferences and fabric care needs.
  • Special Options: Features like "Wrinkle Shield" help prevent wrinkles by intermittently tumbling clothes after the cycle ends, and "End of Cycle Signal" alerts users when drying is complete.
  • Customer-Focused Drying Modes: Allows for adjustment of the total dry time for automatic cycles, enabling users to customize drying performance if clothes are consistently damp or over-dry. This feature can be accessed and modified through a specific sequence of button presses, offering a personalized drying experience.
  • Fault Code Display: In the event of an issue, the dryer can display specific fault codes (e.g., F-22 for exhaust thermistor open, F-26 for motor drive system failure) to assist in quick diagnosis.

Maintenance Features

The document highlights several aspects related to maintenance and troubleshooting, guiding technicians through systematic checks and repairs:

  • Electrostatic Discharge (ESD) Precautions: Emphasizes the importance of using anti-static wrist straps and proper handling techniques when working with electronic components to prevent damage.
  • Pre-Service Checks: Recommends checking basic utilities like power supply, fuses, circuit breakers, and vent installation before proceeding with detailed diagnostics.
  • VOM/DVM Usage: Specifies the use of a Volt-Ohm-Milliammeter (VOM) or Digital Voltmeter (DVM) with a sensitivity of 20,000 Ω per volt DC or greater for accurate measurements.
  • Connection Verification: Stresses the importance of checking all connections for broken or loose wires, failed terminals, or corrosion, as these can often be the root cause of problems.
  • Diagnostic Test Mode Activation: Provides a step-by-step procedure to enter the diagnostic test mode, which allows for testing of console buttons, indicators, door switch, moisture sensor, motor, and heater.
  • Component Access Procedures: Details how to access various internal components, including the back panel, front panel/drum assembly, and electronic assemblies (machine control and user interface), facilitating inspection and replacement.
  • Resistance Measurements: Offers specific resistance values for components like the drive motor windings, thermistors, and belt switch, enabling technicians to verify their functionality using an ohmmeter.
  • Thermal Fuse and Cut-Off Checks: Provides instructions for checking the continuity of the thermal fuse and thermal cut-off, critical safety components that protect against overheating.
  • Moisture Sensor Calibration/Troubleshooting: Guides technicians on how to test the moisture sensor strips and associated wiring, addressing issues like continuous beeping or inaccurate moisture detection.
  • Water Valve (Steam Models) Diagnostics: Outlines steps to check the water valve operation, ensuring proper steam generation in steam-enabled models.
  • Troubleshooting Guide: Presents a structured troubleshooting guide that links common problems (e.g., "Won't Power Up," "Won't Heat") to possible causes and recommended tests, ensuring a logical approach to repairs.
  • Wiring Diagrams: Includes detailed electrical wiring diagrams for single and dual element models, providing a visual reference for tracing circuits and identifying component connections.

Whirlpool WED6600VW0 Specifications

General IconGeneral
BrandWhirlpool
Model NumberWED6600VW0
Appliance CategoryDryer
Fuel TypeElectric
Capacity (cu. ft.)7.0
ColorWhite
Width (in.)27
Weight (lbs)120
Wrinkle Control OptionYes
Energy Star CertifiedNo
Steam CycleNo
Dryer VentingVented

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