Maytag MGD6500MBK Technical Manual
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Maytag MGD6500MBK Technical Manual

Maytag MGD6500MBK Technical Manual

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Mul�media
Enhanced
TECHNICAL MANUAL
Maytag Dryer
W11576955A

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Summary of Contents for Maytag MGD6500MBK

  • Page 1 Mul�media Enhanced TECHNICAL MANUAL Maytag Dryer W11576955A...
  • Page 2 FOR SERVICE TECHNICIAN’S USE ONLY DANGER Only authorized technicians should perform diagnostic voltage measurements. After performing voltage measurements, disconnect power before servicing. Failure to follow these instructions can result in death or electrical shock. Voltage Measurement Safety Information When performing live voltage measurements, you must do the following: Ƀ...

  • Page 3: Table Of Contents

    FOR SERVICE TECHNICIAN’S USE ONLY Contents General Information ................4-9 Component Access ................. 31-44 Dryer safety ....................5 Removing the door assembly ..............32 Product specifications ................6 Removing the console/HMI and top panel ..........32 Model number nomenclature ..............8 Removing the appliance control unit (ACU) ..........33 Model number and serial number label location .........

  • Page 4: General Information

    FOR SERVICE TECHNICIAN’S USE ONLY Section 1: GENERAL INFORMATION This section provides general safety, parts, and information for the Maytag 7.0 cu ft Electric/Gas Dryer. Ƀ Dryer Safety Ƀ Product Specifications Ƀ Product Features Ƀ Model Number Nomenclature Ƀ Model Number and Serial Number Label Location...

  • Page 5: Dryer Safety

    FOR SERVICE TECHNICIAN’S USE ONLY 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: Product Specifications

    FOR SERVICE TECHNICIAN’S USE ONLY PRODUCT SPECIFICATIONS Maytag 7.0 cu ft Electric/Gas Dryer Dimensions Capacity (cu ft) Depth With Door Open 90 Degree (IN, inches) Depth (IN, inches) Height to Top Of Cabinet (IN, inches) Height (IN, inches) Maximum Height (IN, inches)
  • Page 7 FOR SERVICE TECHNICIAN’S USE ONLY Details Drum Material Powder Coat Heating Burner (BTU) (for Gas Dryer Only) 22,000 Interior Light Lint Screen Location Motor Horsepower 1/3 HP Description Fuel Type Electric or Gas Electrical Ampere 15 or 30 A Frequency (Hz) 60 Hz Power Cord Included Yes for Gas models only...

  • Page 8: Model Number Nomenclature

    FOR SERVICE TECHNICIAN’S USE ONLY MODEL NUMBER NOMENCLATURE Maytag Model Number Nomenclature ® MODEL NUMBER 6500 Brand M = Maytag Fuel E = Electric G = Gas Product Type D = Dryer W = Washer Feature Set 6500 = Higher the number more features...

  • Page 9: Tech Sheet Location

    FOR SERVICE TECHNICIAN’S USE ONLY TECH SHEET LOCATION Tech Sheet Location...

  • Page 10: Diagnostic Guide

    FOR SERVICE TECHNICIAN’S USE ONLY Section 2: DIAGNOSTIC GUIDE This section provides Diagnostic guide for the Maytag 7.0 cu ft Electric/Gas Dryer. Ƀ Diagnostic Guide Ƀ Service Diagnostic Mode Ƀ Button Activation & Encoder Test Ƀ Service Test Mode Ƀ Service Test Mode Chart Ƀ...

  • Page 11: Diagnostic Guide

    FOR SERVICE TECHNICIAN’S USE ONLY DIAGNOSTIC GUIDE SERVICE DIAGNOSTIC MODE These tests allow service personnel to test and verify all inputs to the Before servicing, check the following: machine control electronics. You may want to do a quick and overall Ƀ...

  • Page 12: Button Activation & Encoder Test

    FOR SERVICE TECHNICIAN’S USE ONLY BUTTON ACTIVATION & ENCODER TEST READING BINARY CODES dz NOTE: The Service Diagnostic mode must be activated before entering the LED ON means 1. Button Activation & Encoder Test; see procedure on page dz LED OFF means 0. dz...

  • Page 13: Service Test Mode Chart

    FOR SERVICE TECHNICIAN’S USE ONLY SERVICE TEST MODE CHART Step# Action Component User Interface Response User enters Service test mode through Door must be closed All LEDs are OFF and machine is waiting for START Service Diagnostics by pressing button to be pressed. releasing the 2 button used in entry sequence...

  • Page 14: Software Version Display

    FOR SERVICE TECHNICIAN’S USE ONLY SOFTWARE VERSION DISPLAY Ƀ When the F# digits are displayed, the MUTE LED will be turned ON. Ƀ When the E# digits are displayed, the MUTE LED will be turned OFF. NOTE: The Software Version Display mode will time out after 5 minutes of user Up to five Fault/Error codes may be stored.

  • Page 15: Service Fault/Error Codes

    FOR SERVICE TECHNICIAN’S USE ONLY SERVICE FAULT/ERROR CODES CODE DESCRIPTION EXPLANATION AND RECOMMENDED PROCEDURE F1E1 Motor or Heater Fault Indicates the motor circuit is open or shorted. See Test #3: Motor Circuit page Indicates the heat system is open or shorted. F1E1 fault for heat system will only appear when in Service Diagnostic mode.

  • Page 16: Troubleshooting

    FOR SERVICE TECHNICIAN’S USE ONLY Section 3: TROUBLESHOOTING This section provides Troubleshooting guide for the Maytag 7.0 cu ft Electric/Gas Dryer. Ƀ Troubleshooting Guide Ƀ Troubleshooting Tests Ƀ Strip Circuits Ƀ Wiring Diagram Ƀ Component Locations.

  • Page 17: Troubleshooting Guide

    FOR SERVICE TECHNICIAN’S USE ONLY TROUBLESHOOTING GUIDE PROBLEM POSSIBLE CAUSE CHECKS & TESTS WILL NOT POWER UP No power to dryer Check power at outlet, check circuit breaker, fuses, or junction box - No operation connections. - No button response Connection problem between AC plug and dryer See Test #2: Supply Connections, page...

  • Page 18: Troubleshooting Tests

    FOR SERVICE TECHNICIAN’S USE ONLY TROUBLESHOOTING TESTS 7. Unplug dryer or disconnect power. Unplug J4 from the ACU. Plug in dryer or reconnect power and repeat step 6. IMPORTANT: The following procedures may require the use of needle probes ➢ If +5 VDC returns, the thermistor has shorted. To diagnose to measure voltage.
  • Page 19 FOR SERVICE TECHNICIAN’S USE ONLY TEST #2: Supply Connections 9. Check the wiring and continuity from the L2 terminal of the terminal block and the 2M terminal in the white connector from the Motor, see figure 7 This test assumes that proper voltage is present at the outlet, and for U.S. page 20.
  • Page 20 FOR SERVICE TECHNICIAN’S USE ONLY GAS DRYER (U.S. and Canadian Installations): Part of Motor System Electric Dryer Gas Dryer 1. Unplug dryer or disconnect power. 2. Remove the cover plate from the top center portion of the back of the Machine control dryer.
  • Page 21 FOR SERVICE TECHNICIAN’S USE ONLY 9. Remove the bare copper wire terminal from pin 5 of black drive motor ELECTRIC DRYER ONLY: switch. dz Quick Check: Perform steps under “Service Test Mode”, page 12, to test 10. Using the strip circuit on page 26, check for the resistance values of the the machine capability to turn ON and OFF the Heater in the Load test.
  • Page 22 FOR SERVICE TECHNICIAN’S USE ONLY 8. Plug in dryer or reconnect power. 9. Perform steps under “Service Test Mode”, page 12, to verify repair. Heat will not shut off: ALL DRYERS: 1. Unplug dryer or disconnect power. 2. Remove console to access the machine electronics.
  • Page 23 FOR SERVICE TECHNICIAN’S USE ONLY ➢ If the thermistor resistance does not agree with the table, replace the GAS VALVE RESISTANCE outlet thermistor. Terminals Resistance in Ω 4. Check J4-1 and J4-2 to dryer cabinet ground. If either pin indicates continuity to ground (short), replace wiring harness;otherwise, proceed 1 to 2 1400 ±...
  • Page 24 FOR SERVICE TECHNICIAN’S USE ONLY ➢ If the test doesn’t complete by touching the moisture sensor, continue Some buttons do not respond: with step 3. 1. Unplug dryer or disconnect power. 3. Unplug dryer or disconnect power. 2. Remove console to access the ACU and HMI. 4.
  • Page 25 FOR SERVICE TECHNICIAN’S USE ONLY 4. Verify that the Yellow wire coming from the water valve is connected to Water leaking from dryer the ACU, J7-6. Refer to wiring diagrams on pages 27, and 29. If water leaks from the dryer or too much water being sprayed in the drum: Water Valve Assembly 1.

  • Page 26: Strip Circuits

    FOR SERVICE TECHNICIAN’S USE ONLY STRIP CIRCUITS MOTOR CIRCUIT DRIVE MOTOR CENTRIFUGAL SWITCH 1/3 HP MAIN THERMAL PROTECT 2.4-3.6 Ω N.O. J7-4 J7-1 DOOR 2.4-3.8 Ω THERMAL SWITCH MOTOR RELAY FUSE START See Heater Circuit HEATER (ELECTRIC) CENTRIFUGAL SWITCH N.C. RD-WH Motor N.O.

  • Page 27: Wiring Diagram

    FOR SERVICE TECHNICIAN’S USE ONLY WIRING DIAGRAM AC SUPPLY 230 ALIMENTATION CA 230 ALIMENTACIÓN DE CA 230 NEMA® 14-30P LINE L2 - RD / LIGNE L2 – R / LINE L1 - BK / LIGNE L1 – N / LÍNEA L2 - ROJ LÍNEA L1 - NE PLUG / FICHE / ENCHUFE GROUND - GN/YL / TERRE - VE/JA / TIERRA - VE/AM...
  • Page 28 FOR SERVICE TECHNICIAN’S USE ONLY BK - L1 LINE / N – LIGNE L1 / AC SUPPLY 240 RD - LINE L2 / RD – LIGNE L2 / ROJ - LÍNEA L2 USA MODEL / MODÈLE É.-U. / MODELO EE. UU. LÍNEA L1 - NE ALIMENTATION CA 240 ALIMENTACIÓN DE CA 240...
  • Page 29 FOR SERVICE TECHNICIAN’S USE ONLY AC SUPPLY 120 / ALIMENTATION CA 120 / ALIMENTACIÓN DE CA 120 NEUTRAL / NEUTRE / NEUTRO L1 LINE / LIGNE L1 / LÍNEA L1 NEMA® 5-15P PLUG / FICHE / ENCHUFE BK / N / NE SPLICE A / ÉPISSURE A / BK / N / NE...

  • Page 30: Component Locations

    FOR SERVICE TECHNICIAN’S USE ONLY FOR SERVICE TECHNICIAN’S USE ONLY COMPONENT LOCATIONS ACU (beneath console) Water Valve (on some models) High Limit Thermostat (Gas) Thermal Cut-off Door Switch Drum Light Assembly (Location may vary between models) Water Nozzle High Limit Thermostat (Electric) Heater Assembly (Electric) Moisture Sensor Strips Thermal Fuse...

  • Page 31: Component Access

    FOR SERVICE TECHNICIAN’S USE ONLY Section 4: COMPONENT ACCESS This section provides service parts access, removal, and replacement instructions for the Maytag 7.0 cu ft Electric/Gas Dryer. Ƀ Removing The Door Assembly Ƀ Removing The Console/HMI And Top Panel Ƀ Removing The Appliance Control Unit (ACU) Ƀ...

  • Page 32: Removing The Door Assembly

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE DOOR ASSEMBLY REMOVING THE CONSOLE/HMI AND TOP PANEL WARNING WARNING Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before operating. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 33: Removing The Appliance Control Unit (Acu)

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE APPLIANCE CONTROL UNIT 4. Depress the console clip with the putty knife and lift up on the console to separate from top panel. Tilt console forward for service. (ACU) WARNING Electrical Shock Hazard A.
  • Page 34 FOR SERVICE TECHNICIAN’S USE ONLY 4. Using a 1/4" (6 mm) nut driver, remove the hex head screw securing the 5. Slide the ACU to the left and lift up to remove. ACU to the control bracket. Appliance Control Unit –...

  • Page 35: Removing The Door Switch And Front Panel

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE DOOR SWITCH AND FRONT 4. Remove the two screws from the door switch and remove the switch. PANEL 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.

  • Page 36: Removing The Drum And Front Panel Bearings

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE BELT, DRUM, AND REAR ROLLERS 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. Figure B 1.

  • Page 37: Removing The Drive Motor

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE DRIVE MOTOR c. Lift the drum and remove it with the belt from the dryer. 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. 1.

  • Page 38: Removing The Thermal Fuse And Exhaust Thermistor

    FOR SERVICE TECHNICIAN’S USE ONLY 6. Remove the front and rear clamps from the drive motor and its mounting Reassembly Note: When you reinstall the drive motor, make sure that the bracket. To remove a clamp, press down on one end, and unhook it from rounded locator tab is in the bracket slot, as shown below.

  • Page 39: Removing The Rear Panel, High-Limit Thermostat, And Thermal Cutoff (Tco) (Gas Models Only)

    FOR SERVICE TECHNICIAN’S USE ONLY 5. Remove the hex-head screw, unhook the other end of the thermal fuse 5. To remove the High-Limit Thermostat: and exhaust thermistor then remove the component. See below figure. a. Remove the two wires from the thermostat terminals. REMOVING THE REAR PANEL, HIGH-LIMIT b.

  • Page 40: (Electric Models Only)

    FOR SERVICE TECHNICIAN’S USE ONLY b. Remove the hex-head screw, unhook the end of the bracket, and remove b. Remove the hex-head screw, unhook the end of the bracket, and remove the TCO. the TCO. A. Clip B. Hex-Head Screw 4.

  • Page 41: Removing The Flame Sensor And Gas Burner Assembly (Gas Models Only)

    FOR SERVICE TECHNICIAN’S USE ONLY 5. To remove the Flame Sensor: a. Remove the two wires from the sensor terminals then remove the hex-head screw. A. Hex-Head Screw B. Sensor Terminals b. Unhook the tab, and remove the flame sensor from the burner venturi. Figure B d.
  • Page 42 FOR SERVICE TECHNICIAN’S USE ONLY c. Remove the three 5/16" (8mm) hex-head screw from the burner support bracket and remove the bracket from the bottom of the assembly. 8. To remove the ignitor from the burner assembly: a. Remove the burner assembly (see step 6). b.

  • Page 43: Removing The Moisture Sensor And Metal Oxide Varistors (Mov)

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE MOISTURE SENSOR AND c. Remove the two top panel screws from the lint screen air duct. METAL OXIDE VARISTORS (MOV) WARNING Electrical Shock Hazard d. Remove the four 1/4" (6 mm) hex head screws from the air duct and Disconnect power before servicing.

  • Page 44: Removing The Drum Light Assembly

    FOR SERVICE TECHNICIAN’S USE ONLY REMOVING THE DRUM LIGHT ASSEMBLY 5. Remove the bulb from the drum light socket. 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. 6.
  • Page 45 FOR SERVICE TECHNICIAN’S USE ONLY W11576955A 01/22...

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