Maytag MDG9800, MDE DG5500 User Manual

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Atlantis_Neptune_Electric_and_Gas_Dryer_Service_Manual

Appliance 911

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MDG9800 MDE9800 MDE6800 MDG6800 MDE7000 MDE7600 MDG7600 MDE8600 MDG8600

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3-2

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8-5

SECTION 9 - DRYER CONTROLS OVERVIEW ......................................................................... 9-1

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DRYER CONTROLS OVERVIEW ............................................................................................ 9-1

BASIC CONTROL BOARD PHILOSOPHY FOR BOTH DRYERS ............................................ 9-1

BASIC MACHINE OPERATION ............................................................................................... 9-2

LED DRYER CONTROL SELECTIONS .................................................................................... 9-3

DRYER TEMPERATURE CONTROL ....................................................................................... 9-5

SPECIAL FEATURES ............................................................................................................... 9-6

SERVICE/DIAGNOSTIC MODE .............................................................................................. 9-6

LED DRYER ............................................................................................................................. 9-7

LCD DRYER ............................................................................................................................. 9-9

SYSTEM CHECK ................................................................................................................... 9-10

DIAGNOSTIC/HELP CODES ................................................................................................. 9-10

CONTROL CONFIGURATION MDE/MDG6800, MDG5500 ..................................................... 9-12

SERVICE MODE MDE/MDG6800, MDG5500 ......................................................................... 9-12

MEMBRANE PAD CHECK MDE/MDG6800, MDG5500 ........................................................... 9-12

SYSTEM CHECK MODE MDE/MDG6800, MDG5500 ............................................................. 9-12

DIAGNOSTIC CODES MDE/MDG6800, MDG5500 ................................................................. 9-13

MEMBRANE PAD CONTINUITY CHECKS MDE/MDG6800, MDG5500 ................................... 9-14

SERVICE MODE MDE/MDG7500, MDE/MDG9800 ................................................................ 9-15

USER INTERFACE MDE/MDG7500, MDE/MDG9800 ............................................................. 9-16

MEMBRANE PAD CHECK MDE/MDG7500, MDE/MDG9800 .................................................. 9-16

SYSTEM CHECK MDE/MDG7500, MDE/MDG9800 ................................................................ 9-16

DIAGNOSTIC/HELP CODES MDE/MDG7500, MDE/MDG9800 .............................................. 9-16

MEMBRANE PAD CONTINUITY CHECKS MDE/MDG7500, MDE/MDG9800 .......................... 9-17

SECTION 10 - ELECTRICAL SCHEMATICS ............................................................................ 10-1

MDE3000 ............................................................................................................................... 10-1

MDG3000............................................................................................................................... 10-2

MDE4000AZ, MDE8000AZ .................................................................................................... 10-3

MDE5000AZ .......................................................................................................................... 10-4

MDG7057............................................................................................................................... 10-5

MDG6000, MDG7000 ............................................................................................................ 10-6

MDE6000AZ, MDE7000AZ.................................................................................................... 10-7

MDE4000AY, MDE8000AY .................................................................................................... 10-8

MDE6000AU/AY, MDE7000AY .............................................................................................. 10-9

MDE7057AY ........................................................................................................................ 10-10

MDG4000AW/AX/BW, MDG8000AW/BW ......................................................................... 10-11

MDE5500 ............................................................................................................................. 10-12

MDE5500 (Canada) ............................................................................................................. 10-13

MDG5500............................................................................................................................. 10-14

MDE7500 ............................................................................................................................. 10-15

MDE7500 (Canada) ............................................................................................................. 10-16

MDG7500 ............................................................................................................................. 10-17

MDG6200 ............................................................................................................................. 10-18

MDE7600 ............................................................................................................................. 10-19

MDG7600 ............................................................................................................................. 10-20

MDE7600 (Canada) .............................................................................................................. 10-21

MDE8600 ............................................................................................................................. 10-22

MDE8600 (Canada) .............................................................................................................. 10-23

MDG8600 ............................................................................................................................. 10-24

MDE6200 ............................................................................................................................. 10-25

Contents

MDE6200 (Canada) .............................................................................................................. 10-26

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MDE6800 ............................................................................................................................. 10-27

MDG6800 ............................................................................................................................. 10-28

MDE9800 ............................................................................................................................. 10-29

MDG9800 ............................................................................................................................. 10-30

Contents

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MDE/DG5500 Facia (LED Screen) MDE/DG7500 Facia (LCD Screen)

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PRODUCT SPECIFICATIONS

Same specifications as outlined in service manual part number 16009968.

Section 1. General Information

1-7

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INPUT/OUTPUT VOLTAGES

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LCD Dryer

LED Dryer

Description

Heater Relay - Internal (Output)

L1 Board (Input) BB1(1) BB2(3) 120VAC Door must be closed.

Motor (Input) BB1(2) BB2(3) 120VAC Door must be closed.

24 VDC (Input) BB1(3) BB1(2) 24VDC (Electric Dryer Only)

Neutral (Input) BB2(2) BB1(1) 120VAC

Heater Relay - External BB2(1) BB2(3) 120VAC

Door Sense BB2(3) BB1(2) 120VAC Door must be closed.

24 VDC (Input) BB2(4) BB1(2) 24VDC

Thermistor J4(1) J4(2) 5VDC

Sensor Bar J4(3) J4(4) 24VDC

Connector

Pin Number

P1 P2 24 VDC

Connector

Pin Number

Voltage Comments

Door must be closed. (Electric Dryer Only)

NTC 70oF=10K ohms 150oF=1754 ohms

16010279 (16009968-01)

Description

Heater Relay - Internal (Output)

L1 Board (Input) BB1(1) BB2(3) 120VAC

Motor (Input) BB1(2) BB2(3) 120VAC

Neutral (Input) BB2(2) BB1(1) 120VAC

L1 Board (Input) BB2(1) BB2(3) 120VAC

Door Sense BB2(3) BB1(1) 120VAC

Thermistor J4(1) J4(2) 5VDC

Sensor Bar J4(3) J4(4) 24VDC

Connector

Pin Number

P1 BB1(1) 120VAC

Connector

Pin Number

Voltage Comments

Section 2. Electrical Components & Testing 2-7

Door must be closed.

NTC 70oF=10K ohms 150oF=1754 ohms

Membrane Pad Checks

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On the MDE/DG5500 dryer you can perform the Membrane Pad Check with the control console. (See Section 9: Accessing Service Mode; Membrane Pad Check)

LCD Dryer

Membrane Pad Pin Number Pin Number

home J7(3) J7(5)

favorites J7(4) J7(5)

back J7(3) J7(6)

start/pause J7(3) J7(7)

off J7(4) J7(7)

help J7(4) J7(6)

LED Dryer

On both dryers, you can check the membrane pads, by pulling the J7 connector from the machine control board and locating the corresponding switch pin numbers in the ribbon harness.

Membrane

Pad

Pin Number Pin Number

sensor dry J7(12) J7(13)

time dry J7(11) J7(13)

time (+) J7(10) J7(13)

time (-) J7(9) J7(13)

Dry Temp (^) J7(11) J7(14)

Dry Temp (v) J7(10) J7(14)

Dryness(<) J712) J7(14)

Dryness(>) J7(9) J7(14)

wrinkle release J7(11) J7(15)

press care J7(9) J7(15)

air fluff J710) J7(15)

start/pause J7(11) J716)

signal (-) J7(12) J7(15)

off J7(9) J7(16)

signal (+) J7(12) J7(16)

16010279 (16009968-01)

Section 2. Electrical Components & Testing 2-8

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