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Maytag Bravos MED6300TQ Technical Education

Electric & gas dryers
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ML-7
TECHNICAL EDUCATION
ELECTRIC & GAS DRYERS
ELECTRIC MODELS: MED6300TQ, MED6400TB, MED6400TQ
GAS MODELS: MGD6300TQ, MGD6400TB, MGD6400TQ
JOB AID 8178644

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  Summary of Contents for Maytag Bravos MED6300TQ

  • Page 1 ML-7 TECHNICAL EDUCATION ™ ELECTRIC & GAS DRYERS ELECTRIC MODELS: MED6300TQ, MED6400TB, MED6400TQ GAS MODELS: MGD6300TQ, MGD6400TB, MGD6400TQ JOB AID 8178644...
  • Page 2 FORWARD ™ This Maytag Job Aid, “Bravos Electric & Gas Dryers” (Part No.8178644), provides the In-Home ™ Service Professional with information on the installation, operation, and service of the Bravos Electric & Gas Dryers. For specific information on the model being serviced, refer to the “Use and Care Guide,”...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page GENERAL ............. . 1-1 Dryer Safety .
  • Page 4 Page DIAGNOSTICS & TROUBLESHOOTING ........6-1 Electric Dryers .
  • Page 5: General

    GENERAL DRYER SAFETY Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others.
  • Page 6: Model & Serial Number Designations

    MODEL & SERIAL NUMBER DESIGNATIONS MODEL NUMBER MODEL NUMBER 00 T BRAND M = Maytag ACCESS / FUEL T = Top Load G = Gas F = Front Load H = Horizontal W = Work Space V = Vertical E = Electric...
  • Page 7: Model & Serial Number Label & Tech Sheet Locations

    MODEL & SERIAL NUMBER LABEL & TECH SHEET LOCATIONS The Model/Serial Number Label and Tech Sheet locations are shown below. Tech Sheet Location (Access Under Console) Model/Serial Number Location...
  • Page 8: Specifications

    SPECIFICATIONS MODEL NUMBERS ELECTRIC MED6300TQ MED6400TB, Q MGD6300TQ MGD6400TB, Q PRIMARY FEATURES CAPACITY (CU. FT.) CAPACITY Super Capacity Plus Super Capacity Plus # OF CYCLES HEAVY DUTY NORMAL WRINKLE CONTROL DELICATE TIMED DRY RAPID DRY FRESHEN UP DAMP DRY CHIME TEMPERATURE SETTINGS HIGH 155 ±5°F (68.3°C)
  • Page 9: Installation Information

    INSTALLATION INFORMATION INSTALLATION INSTRUCTIONS Parts supplied: TOOLS AND PARTS Remove parts package from dryer drum. Gather the required tools and parts before Check that all parts were included. starting installation. Read and follow the in- structions provided with any tools listed here. Electric Models •...
  • Page 10: Location Requirements

    LOCATION REQUIREMENTS NOTE: No other fuel-burning appliance can be installed in the same closet as a dryer. WARNING INSTALLATION CLEARANCES The location must be large enough to allow the dryer door to open fully. Dryer Dimensions Explosion Hazard 43 ½" Keep flammable materials and vapors, (110.5 cm) such as gasoline, away from dryer.
  • Page 11 • Additional spacing is required if you ex- Mobile Home - Additional Installation Re- haust out the rear of the dryer to either the quirements right or left side. This dryer is suitable for mobile home instal- lations. The installation must conform to the 3"* (7.6 cm) 14"...
  • Page 12 ELECTRICAL REQUIREMENTS - • This dryer is manufactured ready to install with a 3-wire electrical supply connection. U.S.A. ONLY The neutral ground wire is permanently Electric Models Only connected to the neutral conductor (white wire) within the dryer. If the dryer is installed It is your responsibility with a 4-wire electrical supply connection, •...
  • Page 13: Grounding Instructions

    If your outlet looks like this: GROUNDING INSTRUCTIONS • For a grounded, cord-connected dryer: This dryer must be grounded. In the event of malfunction or breakdown, ground- 4-wire receptacle (14-30R) ing will reduce the risk of electric shock by providing a path of least resistance for Then choose a 4-wire power supply cord with ring or spade terminals and UL listed strain electric current.
  • Page 14: Electrical Requirements

    ELECTRICAL REQUIREMENTS - • Do not use an extension cord. CANADA ONLY • If you are using a replacement power sup- ply cord, it is recommended that you use Electric Models Only Power Supply Cord Replacement Part WARNING Number 3394208. For further information, please reference the service numbers lo- cated in the “Assistance or Service”...
  • Page 15 ELECTRICAL CONNECTION - DIRECT WIRE U.S.A. ONLY WARNING POWER SUPPLY CORD WARNING Fire Hazard Use 10 gauge solid copper wire. Use a UL listed strain relief. Fire Hazard Disconnect power before making Use a new UL listed 30 amp power electrical connections.
  • Page 16 • Put power supply cord through the strain • Put direct wire cable through the strain re- relief. Be sure that the wire insulation on lief. The strain relief should have a tight fit the power supply cord is inside the strain with the dryer cabinet and be in a horizontal relief.
  • Page 17 4-wire connection: Power supply cord Connect ground wire (green or bare) of power supply cord to external ground IMPORTANT: A 4-wire connection is required conductor screw. Tighten screw. for mobile homes and where local codes do not permit the use of 3-wire connections. A.
  • Page 18 4-wire connection: Direct Wire Remove center silver-colored terminal block screw. IMPORTANT: A 4-wire connection is required for mobile homes and where local codes do Remove neutral ground wire from exter- not permit the use of 3-wire connections. nal ground conductor screw. Connect neutral ground wire and place the hooked Direct wire cable must have 5 ft (1.52 m) of end (hook facing right) of the neutral wire...
  • Page 19 Connect ground wire (green or bare) of 3-wire connection: Power supply cord direct wire cable to external ground con- Use where local codes permit connecting ductor screw. Tighten screw. cabinet-ground conductor to neutral wire. A. 3-wire receptacle (NEMA type 10-30R) B.
  • Page 20 Tighten strain relief screws. Loosen or remove center silver-colored terminal block screw. Insert tab of terminal block cover into slot of dryer rear panel. Secure cover with Place the hooked end of the neutral wire hold-down screw. (white or center wire) of direct wire cable under the center screw of terminal block You have completed your electrical con- (hook facing right).
  • Page 21 Optional 3-wire connection Connect the other wires to outer terminal block screws. Tighten screws. Use for direct wire or power supply cord where local codes do not permit connect- ing cabinet-ground conductor to neutral wire. Remove center silver-colored terminal block screw. Remove neutral ground wire from exter- Tighten strain relief screws.
  • Page 22: Gas Models Only

    ELECTRICAL REQUIREMENTS GROUNDING INSTRUCTIONS Gas Models Only • For a grounded, cord-connected dryer: WARNING This dryer must be grounded. In the event of malfunction or breakdown, grounding will reduce the risk of elec- tric shock by providing a path of least resistance for electric current.
  • Page 23: Gas Supply Requirements

    GAS SUPPLY REQUIREMENTS GAS SUPPLY LINE • 1/2˝ IPS pipe is recommended. WARNING • 3/8˝ approved aluminum or copper tubing is acceptable for lengths under 20 ft (6.1 m) if local codes and gas supplier permit. • Must include 1/8˝ NPT minimum plugged tapping accessible for test gauge connec- tion, immediately upstream of the gas con- nection to the dryer (see illustration).
  • Page 24 GAS SUPPLY CONNECTION BURNER INPUT REQUIREMENTS REQUIREMENTS Elevations above 10,000 ft (3,048 m): • Use an elbow and a 3/8˝ flare x 3/8˝ NPT • When installed above 10,000 ft (3,048 m) adapter fitting between the flexible gas con- a 4% reduction of the burner B.T.U. rating nector and the dryer gas pipe, as needed shown on the model/serial number plate is to avoid kinking.
  • Page 25: Venting Requirements

    4" (10.2 cm) heavy metal exhaust vent Do not use a metal foil vent. Vent products can be purchased from your dealer or by calling Maytag Services. For Failure to follow these instructions can more information, see the “Assistance or Ser- result in death or fire.
  • Page 26 Elbows The angled hood style (shown here) is ac- ceptable. 45° elbows provide better airflow than 90° el- bows. 4" (10.2 cm) 2½" (6.4 cm) • An exhaust hood should cap the vent to keep rodents and insects from entering the Good Better home.
  • Page 27: Plan Vent System

    PLAN VENT SYSTEM NOTE: The following kits for close clearance alternate installations are available for pur- Recommended exhaust installations chase. Please see the “Assistance or Service” Typical installations vent the dryer from the section of the “Use & Care Guide” to order: rear of the dryer.
  • Page 28 Determine vent path The Vent system chart provides venting re- quirements that will help to achieve the best • Select the route that will provide the drying performance. straightest and most direct path outdoors. Vent system chart • Plan the installation to use the fewest num- ber of elbows and turns.
  • Page 29: Install Vent System

    INSTALL VENT SYSTEM Screw the legs into the leg holes by hand. Use a wrench to finish turning the legs Install exhaust hood. Use caulking com- until the diamond marking is no longer pound to seal exterior wall opening visible. around exhaust hood.
  • Page 30: Level Dryer

    A combination of pipe fittings must be used Move dryer into its final location. Do not to connect the dryer to the existing gas line. crush or kink vent. Shown is a recommended connection. The (On gas models) Make sure that there connection may be different, according to the are no kinks in the flexible gas line.
  • Page 31: Reverse Door Swing

    REVERSE DOOR SWING Remove the 4 plastic plug strips located outside the dryer door opening. You can change your door swing from a right- side opening to a left-side opening, if de- sired. Place a towel or soft cloth on top of the dryer or work space to protect the sur- face.
  • Page 32 Reinstall the door Install the 2 hinges to the front panel of the dryer using 4 screws. Use the non- Remove the 4 screws and 2 hinges from slotted side to attach the hinge to the the dryer door. front panel. Replace the 4 screws in the same holes.
  • Page 33: Complete Installation

    COMPLETE INSTALLATION 11. Electric Models Only: When the dryer has been running for 5 minutes, open the Check that all parts are now installed. If dryer door and feel for heat. If you feel there is an extra part, go back through the heat, cancel cycle and close the door.
  • Page 34 — NOTES — 2-26...
  • Page 35: Product Operation

    PRODUCT OPERATION DRYER USE WARNING WARNING Explosion Hazard Fire Hazard Keep flammable materials and vapors, No washer can completely remove oil. such as gasoline, away from dryer. Do not dry anything that has ever had Do not dry anything that has ever had any type of oil on it (including cooking anything flammable on it (even after oils).
  • Page 36: Starting The Dryer

    STARTING THE DRYER To make changes during a Sensor Dry Cycle: This manual covers several different models. • Press PAUSE/CANCEL. Your dryer may not have all of the cycles and features described. • Adjust Dryness. Follow these basic steps to start your dryer. NOTE: Dryness selections can be made Please refer to specific sections of this manual only while using Sensor Dry Cycles.
  • Page 37: Drying And Cycle Tips

    NOTE: During a Timed Cycle, you can change Cool Down tumbles the load without heat the settings for Time, Temp, the WRINKLE PRE- during the last few minutes of all cycles. Cool VENT setting and the End of Cycle Signal. Down makes the loads easier to handle and ™...
  • Page 38: Status Lights

    STATUS LIGHTS INDICATOR LIGHTS Other indicator lights show Cycle, Options, Follow the progress of your dryer with the dry- Modifiers and Cycle Signal settings selected. ing Status indicator lights. The display shows the estimated or actual time remaining. CYCLES SENSING Select the drying cycle that matches the type of •...
  • Page 39: Timed Cycles

    Sensor Dry Preset Cycle Settings Timed Preset Cycle Settings Timed Cycles Default Default Time Sensor Dry Cycles Temperature Load Type Temperature (Minutes) Load Type TIMED DRY High HEAVY DUTY High Heavyweight, bulky items, Heavyweight mixed loads, cottons, work clothes jeans RAPID DRY Medium NORMAL...
  • Page 40 AIR FLUFF When the dryer is not running, the drum light will turn on when DRUM LIGHT is pressed or Use the Air Fluff Modifier for items that require the dryer door is opened, and it will remain on drying without heat such as rubber, plastic until the dryer door has been open for 5 min- and heat-sensitive fabrics.
  • Page 41: End Of Cycle Signal

    NOTE: The Damp Dry Chime is available only 2. Select the new Modifier and/or Options. with the Sensor Dry Cycles. 3. Press START to continue the cycle. END OF CYCLE SIGNAL NOTE: If you happen to press PAUSE/CAN- CEL twice, the program clears and your dryer END OF CYCLE SIGNAL shuts down.
  • Page 42 NOTE: The rack must be removed for normal 4. Close the door. tumbling. Do not use the Sensor Dry cycle with 5. Press the POWER button. the drying rack. 6. Select a timed drying cycle and temperature To use the drying rack: (see the following chart).
  • Page 43: Dryer Care

    DRYER CARE CLEANING THE DRYER LOCATION 2. Push the lint screen firmly back into place. Keep dryer area clear and free from items that would obstruct the flow of combustion and AS NEEDED CLEANING ventilation air. 1. Roll lint off screen with your fingers. WARNING 2.
  • Page 44 VACATION AND MOVING CARE 1. Disconnect power. 2. Disconnect wiring. VACATION CARE 3. Make sure leveling legs are secure in dryer Operate your dryer only when you are at home. base. If you will be on vacation or not using your dryer for an extended period of time, you should: 4.
  • Page 45: Troubleshooting

    TROUBLESHOOTING • Is it a gas dryer? DRYER OPERATION The gas valve clicking is a normal operation Dryer will not run sound. • Are the four legs installed, and is the • Has a household fuse blown, or has a dryer level front to back and side to circuit breaker tripped? side?
  • Page 46 DRYER RESULTS WARNING Clothes are not drying satisfactorily, drying times are too long, or load is too hot • Is the lint screen clogged with lint? Lint screen should be cleaned before each load. Explosion Hazard WARNING Keep flammable materials and vapors, such as gasoline, away from dryer.
  • Page 47 • Is the automatic cycle ending early? Loads are wrinkled The load may not be contacting the sensor • Was the load removed from dryer at the strips. Level the dryer. Change the dry- end of the cycle? ness level setting on Sensor Dry Cycles. Increasing or decreasing the dryness level •...
  • Page 48 — NOTES — 3-14...
  • Page 49: Component Access

    COMPONENT ACCESS ™ This section instructs you on how to service each component inside the Bravos Electric & Gas Dryers. The components and their locations are shown below. COMPONENT LOCATIONS Electric Dryer Components Machine Control Electronics User Interface Assembly Thermal Cutoff Drum Light Assembly Inlet Thermistor/ High Limit Thermostat...
  • Page 50: Removing The Encoder, User Interface Board, And Machine Control

    REMOVING THE ENCODER, USER INTERFACE BOARD, AND MACHINE CONTROL WARNING Disconnect the user interface (UI) board ca- ble connector from machine control board connector P5. Machine Control Connector P5 Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.
  • Page 51 To remove the encoder, lift the lock- User Interface Board ing tab, and turn the encoder to the left (counterclockwise) as far as it will go. Lift the encoder straight up so that the shaft slides out of the rubber console seal, and remove it from the console.
  • Page 52 c) Push the clip on the back, and slide Housing Bracket the machine control housing to the left and off the mounting bracket and re- move the assembly. Slide Machine Control...
  • Page 53: Removing The Cabinet Front And Door Switch

    REMOVING THE CABINET FRONT AND DOOR SWITCH WARNING Electrical Shock Hazard Disconnect power before servicing. Top Spring Clips Replace all parts and panels before operating. b) Disconnect the door switch connector Failure to do so can result in death or from the harness connector.
  • Page 54 d) Lift the cabinet front panel, unhook the To remove the door switch: panel from the left and right bottom a) Remove the cabinet front (see step 5). hangers, and remove it. b) Unhook the door switch wires from the cabinet front clips.
  • Page 55: Removing The Belt, Drum, & Rollers

    REMOVING THE BELT, DRUM, & ROLLERS WARNING Loosen the two top and remove the two bottom 5/16˝ hex-head screws from the front bulkhead. Lift and unhook the two top bulkhead key- hole slots from the screws, and remove the bulkhead from the dryer. Electrical Shock Hazard Disconnect power before servicing.
  • Page 56 b) Pull the drum out the front of the cabi- To remove a front or rear bulkhead net and remove it. roller, push the triangular clip off the grooved slot in the roller shaft, and pull Hole With Clip the roller off the shaft. Toward Rear Of Unit Triangular Clip Front Rollers...
  • Page 57: Removing The Drive Motor And Belt Switch

    REMOVING THE DRIVE MOTOR AND BELT SWITCH WARNING 13/16˝ Blower Wheel Electrical Shock Hazard Loosen Disconnect power before servicing. Flatted Replace all parts and panels before Drive Shaft operating. Failure to do so can result in death or electrical shock. Unplug dryer or disconnect power.
  • Page 58 c) Remove the front and rear clamps from the drive motor and its mounting bracket. To remove a clamp, press down on one Front Clamp Rear Clamp end, and unhook it from the bracket tab. Longer Leg REASSEMBLY NOTE 2: When you reinstall the drive motor, make sure that the rounded locator tab is in the bracket slot, as shown below.
  • Page 59: Removing The Thermal Fuse & Exhaust Thermistor

    REMOVING THE THERMAL FUSE & EXHAUST THERMISTOR 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. Unplug dryer or disconnect power. Turn off gas supply to dryer. Remove the rear panel (see page 4-17 for the procedure).
  • Page 60: Removing The High-Limit Thermostat And Thermal Cutoff (Tco)

    REMOVING THE HIGH-LIMIT THERMOSTAT AND THERMAL CUTOFF (TCO) (GAS MODELS ONLY) WARNING Screw RD-WH High-Limit Thermostat Electrical Shock Hazard Disconnect power before servicing. Thermal Replace all parts and panels before Screws Cutoff (TCO) operating. Failure to do so can result in death or electrical shock.
  • Page 61: Removing The Thermal Cutoff (Tco), Heater, And Inlet

    REMOVING THE THERMAL CUTOFF (TCO), HEATER, AND INLET THERMISTOR / HIGH-LIMIT THERMOSTAT (ELECTRIC MODELS ONLY) WARNING Thermal Cutoff (TCO) Electrical Shock Hazard Screw Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.
  • Page 62 d) Remove the two hex-head screws from e) Using a flat-blade screwdriver, pry the the heater assembly and remove the inlet thermistor terminal off the heater assembly. terminal, and remove the thermistor from the assembly. Heater Assembly Screws Heater Assembly Heater Assembly Terminal Pry Tab Off With Screwdriver Lift &...
  • Page 63: Removing The Flame Sensor And Gas Burner Assembly

    REMOVING THE FLAME SENSOR AND GAS BURNER ASSEMBLY (GAS MODELS ONLY) To remove the flame sensor: WARNING a) Remove the two wires from the sen- sor terminals. b) Remove the hex-head screw, then un- hook the tab, and remove the flame sensor from the burner venturi.
  • Page 64 To remove the coils from the burner Flame Sensor assembly: Connector a) Remove the burner assembly (see step b) Disconnect the 2-wire and 3-wire con- nectors from the coil pins. c) Remove the two screws from the brack- et, and lift the two coils off their cores. Burner Harness Connector Support Bracket Screw...
  • Page 65: Removing The Moisture Sensor And Metal Oxide Varistors (Movs)

    REMOVING THE MOISTURE SENSOR AND METAL OXIDE VARISTORS (MOVS) WARNING To remove the metal oxide varistors (MOVs): a) Raise the lint screen lid and remove the two screws from the top of the lint screen air duct. Electrical Shock Hazard Disconnect power before servicing.
  • Page 66 Remove the four screws from the air Disconnect the two wires from the termi- duct and pull the duct toward you just far nals of the moisture sensor strips. enough to access the moisture sensor Unlock and disconnect the moisture sen- wiring harness.
  • Page 67: Removing The Drum Light Assembly

    REMOVING THE DRUM LIGHT ASSEMBLY WARNING Drum Light Holder Screw Electrical Shock Hazard Drum Bulb Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Disconnect the wire connectors from the light socket terminals.
  • Page 68 — NOTES — 4-20...
  • Page 69: Component Testing

    COMPONENT TESTING Before testing any of the components, perform • Check all connections before replacing the following checks: components, looking for broken or loose wires, failed terminals, or wires not pressed • The most common cause for control failure into connectors far enough. is corrosion on connectors.
  • Page 70: Thermal Fuse & Exhaust Thermistor

    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. THERMAL FUSE & EXHAUST HIGH-LIMIT THERMOSTAT & THERMISTOR THERMAL CUTOFF (TCO) (GAS MODELS ONLY) Thermal Fuse High-Limit Thermostat...
  • Page 71: Flame Sensor

    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. FLAME SENSOR GAS BURNER COILS Burner Coils Refer to page 4-15 for the procedure for ac- cessing the flame sensor.
  • Page 72: Burner Ignitor

    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. BURNER IGNITOR ELECTRIC HEATER (DUAL ELEMENT) Burner Ignitor 2-Wire Connector Dual Element Heater Refer to page 4-13 for the procedure for ac- Refer to page 4-15 for the procedure for ac- cessing the electric heater.
  • Page 73: Thermal Cutoff (Tco) And Inlet Thermistor/High-Limit Thermostat

    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. THERMAL CUTOFF (TCO) AND Refer to page 4-13 for the procedure for ac- cessing the thermal cutoff (TCO) and inlet INLET THERMISTOR/ thermistor/high-limit thermostat.
  • Page 74: Drive Motor

    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. DRIVE MOTOR BELT SWITCH (N.O.) Connector Belt Switch Actuator Refer to page 4-9 for the procedure for ac- Refer to page 4-9 for the procedure for ac- cessing the belt switch.
  • Page 75: Diagnostics & Troubleshooting

    DIAGNOSTICS & TROUBLESHOOTING Electric Dryers 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. DISPLAY FAULT CODES The fault codes below would be indicated when attempting to start a drying cycle or af- ter activating the diagnostic test mode.
  • Page 76: Diagnostic Guide

    DIAGNOSTIC GUIDE If this test mode has been entered suc- cessfully, all indicators on the console Before servicing, check the following: are illuminated for 5 seconds with 88 • Make sure there is power at the wall out- showing in the Estimated Time Remain- let.
  • Page 77 Figure 2. Console Diagnostics. DIAGNOSTIC: Door Switch DIAGNOSTIC: Motor, Heater, And Console ID Opening the door should cause a beep and an alphanumeric number to be displayed. Close the door. Press the Start button. The Closing the door should cause a beep and 88 motor and heater will turn on, and the display to be displayed.
  • Page 78 DIAGNOSTIC: Displaying Inlet Air Flow • The More LED will be illuminated for high voltage readings (above 260 VAC). Used to display the airflow value at the inlet of the heater box being measured by the ma- • The Normal LED will be illuminated for nor- chine control.
  • Page 79: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Make sure the power cord is securely fastened to the terminal block. Some tests will require accessing compo- nents. See Figure 1 for component locations. With an ohmmeter, check for continuity between the neutral (N) terminal of the PROBLEM POSSIBLE CAUSE / TEST plug and the center contact on the termi-...
  • Page 80 Check for continuity between the neutral TEST #3 Drive Motor Circuit (N) terminal of the plug and P8-3 (white This test will check the wiring to the motor and wire) on the machine control board. the motor itself. The following items are part If there is continuity, go to step 9.
  • Page 81 Remove the white connector from the • If the resistance at the motor is correct, drive motor switch. See Figure 6. there is an open circuit between the motor and machine control electronics. Check for failed belt switch. • If the Start winding resistance is much greater than 4 ohms, replace the motor.
  • Page 82 TEST #4 Heater Using an ohmmeter and referring to the appropriate wiring diagram and strip cir- This test is performed when either of the fol- cuit (see Section 7), measure the resis- lowing situations occur: tance across the high limit thermostat. •...
  • Page 83 If no open circuit is detected, remove the If F-22 or F-23 does not flash in the dis- P4 connector, then measure the resistance play, the connections to the thermistor are between P4-3 (red wire) and P4-6 (red good. Therefore, check the exhaust tem- wire) at the connector.
  • Page 84 • If the thermistor resistance does not • Check the resistance of the inlet therm- agree with table, replace the exhaust istor. See Figure 9 for the location. thermistor. INLET THERMISTOR RESISTANCE • If the thermistor resistance checks RES. RES. agree with the measurements in the TEMP.
  • Page 85 TEST #4c Thermal Cut-Off Locate the two metal sensor strips on the inside of the dryer. Bridge these strips If the dryer does not produce heat, check the with a wet cloth or finger. status of the thermal cut-off. • If a continuous beep tone is heard and Unplug dryer or disconnect power.
  • Page 86 Measure the resistance across the out- Perform steps in Accessing & Removing ermost contacts of the sensor connector the Electronic Assemblies, and visually that includes the two MOVs. check that the P5 connector is inserted all the way into the machine control elec- tronics.
  • Page 87: Adjusting Customer-Focused Drying Modes

    ADJUSTING CUSTOMER-FOCUSED Some buttons do not light indicators: DRYING MODES Perform steps in Accessing & Removing the Electronic Assemblies, and visually NOTE: If the customer is complaining about check the user interface assembly con- the clothes being damp and the moisture sen- nections.
  • Page 88: Accessing & Removing The Electronic Assemblies

    Push on the retaining clips located under 10. Lower components can be accessed at top of dryer on the right and left side us- this time, however, if the drum is to be ing a flat object such as a putty knife. See removed, the belt must be removed.
  • Page 89: Removing The Back Panel

    REMOVING THE USER REINSTALLING THE INTERFACE ASSEMBLY ELECTRONIC ASSEMBLIES 3. Remove the wire connections from the Refer to preceding removal sections and re- user interface assembly, including the place in reverse order. P5 ribbon cable. See Figure 14. NOTE: When replacing the cycle selector 4.
  • Page 90: Gas Dryers

    Gas Dryers 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. DISPLAY FAULT CODES DISPLAY DESCRIPTION EXPLANATION / RECOMMENDED PROCEDURE The fault codes below would be indicated F-02 flashes when there is a stuck button or user Keypad/ interface mismatch.
  • Page 91: Diagnostic Guide

    DIAGNOSTIC GUIDE If this test mode has been entered suc- cessfully, all indicators on the console Before servicing, check the following: are illuminated for 5 seconds with 88 • Make sure there is power at the wall out- showing in the Estimated Time Remain- let.
  • Page 92 Figure 2. Console Diagnostics. DIAGNOSTIC: Door Switch DIAGNOSTIC: Motor, Heater, And Console ID Opening the door should cause a beep and an alphanumeric number to be displayed. Close the door. Press the Start button. The Closing the door should cause a beep and 88 motor and heater will turn on, and the display to be displayed.
  • Page 93 DIAGNOSTIC: Displaying Line Voltage ACTIVATING THE MANUAL LOAD TEST Used to display the line voltage currently be- Be sure the dryer is in standby mode ing measured by the machine control: (plugged in with all indicators off, or with only the Dry indicator on). After all saved fault codes have been dis- played, press the End of Cycle Signal button.
  • Page 94: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Check that the power cord is firmly con- nected to the dryer’s wire harness. See Some tests will require accessing compo- Figure 4. nents. See Figure 1 for component locations. PROBLEM POSSIBLE CAUSE / TEST NOTE: Possible Cause/Tests MUST be performed in the sequence shown for each problem.
  • Page 95 In a similar way, check the continuity be- • If the drum light illuminates, then power tween the L1 terminal of the plug and P9-2 is present at the machine control. Go (black wire) on the control board. See Fig- to TEST #6.
  • Page 96 Belt Switch WINDING RESISTANCE CONTACT POINTS Belt Switch Tension Pulley Ω OF MEASUREMENT Blue wire in back at Drum Belt pin 4 and bare copper MAIN 1.4–2.6 wire on pin 5 of black drive motor switch Blue wire in back at pin 4 and bare copper START 1.4–2.8...
  • Page 97 • With the door properly closed, the ohm- Unplug dryer or disconnect power. meter should indicate a closed circuit Remove the back panel to access the (0–2 ohms). thermal components. See Removing the • If not, replace the door switch assem- Back Panel.
  • Page 98 If after 60 seconds, F-22 or F-23 flashes If the exhaust temperature is not within in the display and the dryer shuts off, the specified limits, or you have come here thermistor or wire harness is either open from step 3, remove the P14 connector, or shorted.
  • Page 99 TEST #4c Thermal Cut-Off This test is performed when an automatic cy- cle stops too soon, or runs much longer than If the dryer does not produce heat, check the expected. status of the thermal cut-off. NOTE: Dryer will shut down automatically af- Unplug dryer or disconnect power.
  • Page 100 If moisture sensor diagnostic test passes, Sensor Harness check the thermistor: Perform TEST #4a. with MOVs Sensor (Metal Oxide Connector Varistors) • If the problem persists after replac- ing the moisture sensor, harness with MOVs and thermistor, replace the ma- Sensor chine control electronics.
  • Page 101: Adjusting Customer-Focused Drying Modes

    No beep sound is heard: • If the connections are OK, replace the door switch assembly and retest. Perform steps in Accessing & Removing • If the door switch assembly has been re- the Electronic Assemblies, and visually placed and dryer still does not start, re- check that the P5 connector is inserted place the machine control electronics.
  • Page 102: Removing The Front Panel/Drum Assembly

    REMOVING THE FRONT Remove the front bulkhead by loosening the upper two screws and removing the PANEL/DRUM ASSEMBLY lower two screws. See Figure 14. Unplug dryer or disconnect power. 10. Lower components can be accessed at Remove the lint screen. this time, however, if the drum is to be Remove the two screws holding the lint removed, the belt must be removed.
  • Page 103 Unplug dryer or disconnect power. 6. Remove the cycle selector switch from the user interface assembly opening Remove two screws from the rear of the by lifting the locking tab on the cycle console assembly. Pull console towards selector switch and turning the selec- front of dryer to hinge open and/or re- tor switch in a counterclockwise direc- move console.
  • Page 104: Removing The Back Panel

    REMOVING THE BACK PANEL Cover Plate Screw Cover Plate Unplug dryer or disconnect power. Remove the cover plate screw and cover plate. See Figure 18. Remove the eight rear screws from the back panel, then remove panel. Figure 18. Remove screws. 6-30...
  • Page 105: Wiring Diagrams & Strip Circuits

    WIRING DIAGRAMS & STRIP CIRCUITS Electric Dryers WIRING DIAGRAM L1 LINE – BK R – LINE L2 240 VOLTS W – NEUTRAL N 120 VOLTS NEUTRAL P8-1 LAMP LOAD TERMINAL LINKED TO P8-3 NEUTRAL DRUM LAMP NEUTRAL CABINET P9-2 P8-4 DOOR DOOR SWITCH...
  • Page 106: Strip Circuits

    STRIP CIRCUITS DRIVE MOTOR LINE – BK 120 VOLTS NEUTRAL TERMINAL LINKED TO CABINET P9-2 P8-4 DOOR DOOR SWITCH P9-1 CENTRIFUGAL SWITCH MOTOR MAIN THERMAL FUSE 1.4 – 2.6 Ω 196°F 91°C MACHINE START CONTROL BELT 1.4 – 2.8 Ω SWITCH ELECTRONICS DRIVE MOTOR...
  • Page 107: Gas Dryers

    Gas Dryers WIRING DIAGRAM L1 LINE – BK W – NEUTRAL 120 VOLTS P8-1 P8-3 N LAMP LOAD NEUTRAL DRUM LAMP P8-4 DOOR DOOR P9-2 SWITCH P8-2 P9-1 VDD P1-8 P5-1 VDD MOTOR USER INTERFACE DATA IN P1-7 P5-2 DATA IN P8-5 BK-W VSS P1-6...
  • Page 108: Strip Circuits

    STRIP CIRCUITS HEATER (GAS VALVE) L1 LINE – BK W – NEUTRAL 120 VOLTS DOOR SWITCH CENTRIFUGAL SWITCH MACHINE CONTROL ELECTRONICS N.O. EXHAUST THERMISTOR HEATER P14-3 IGNITOR RELAY EXHAUST TEMP . 50–500 Ω 10k Ω VALVE P14-6 EXHAUST TEMP RTN VALVE HOLD ASSIST...
  • Page 109 — NOTES —...
  • Page 110 — NOTES —...
  • Page 111: Product Specifications

    PRODUCT SPECIFICATIONS WARRANTY INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR KITCHENAID PRODUCTS: 1-800-422-1230 FOR ROPER PRODUCTS: 1-800-447-6737 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-832-7174 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN AUTHORIZED IN-HOME SERVICE PROFESSIONAL FOR LITERATURE ORDERS:...