SECTION 9 - DRYER CONTROLS OVERVIEW ......................................................................... |
9-1 |
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 |
v |
©2000 Maytag Appliances Sales Company |
|
MDE6200 (Canada) .............................................................................................................. |
10-26 |
MDE6800 ............................................................................................................................. |
10-27 |
MDG6800 ............................................................................................................................. |
10-28 |
MDE9800 ............................................................................................................................. |
10-29 |
MDG9800 ............................................................................................................................. |
10-30 |
Contents |
vi |
©2000 Maytag Appliances Sales Company
MDE/DG5500 Facia (LED Screen) |
MDE/DG7500 Facia (LCD Screen) |
PRODUCT SPECIFICATIONS
Same specifications as outlined in service manual part number 16009968.
Section 1. General Information |
1-7 |
© 2000 Maytag Appliances Sales Company
INPUT/OUTPUT VOLTAGES
LCD Dryer
Description |
Connector |
Connector |
Voltage |
Comments |
|
Pin Number |
Pin Number |
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Heater Relay - Internal |
P1 |
P2 |
24 VDC |
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(Output) |
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L1 Board (Input) |
BB1(1) |
BB2(3) |
120VAC |
Door must be closed. |
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Motor (Input) |
BB1(2) |
BB2(3) |
120VAC |
Door must be closed. |
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24 VDC (Input) |
BB1(3) |
BB1(2) |
24VDC |
(Electric Dryer Only) |
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Neutral (Input) |
BB2(2) |
BB1(1) |
120VAC |
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Heater Relay - External |
BB2(1) |
BB2(3) |
120VAC |
Door must be closed. |
|
(Electric Dryer Only) |
|||||
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Door Sense |
BB2(3) |
BB1(2) |
120VAC |
Door must be closed. |
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24 VDC (Input) |
BB2(4) |
BB1(2) |
24VDC |
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|
NTC |
|
Thermistor |
J4(1) |
J4(2) |
5VDC |
70oF=10K ohms |
|
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|
150oF=1754 ohms |
|
Sensor Bar |
J4(3) |
J4(4) |
24VDC |
|
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|
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LED Dryer
Description |
Connector |
Connector |
Voltage |
Comments |
|
Pin Number |
Pin Number |
||||
|
|
|
|||
|
|
|
|
|
|
Heater Relay - Internal |
P1 |
BB1(1) |
120VAC |
|
|
(Output) |
|
||||
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||
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|
|
|
L1 Board (Input) |
BB1(1) |
BB2(3) |
120VAC |
Door must be |
|
closed. |
|||||
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||
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Motor (Input) |
BB1(2) |
BB2(3) |
120VAC |
Door must be |
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closed. |
|||||
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Neutral (Input) |
BB2(2) |
BB1(1) |
120VAC |
|
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|
|
|
L1 Board (Input) |
BB2(1) |
BB2(3) |
120VAC |
Door must be |
|
closed. |
|||||
|
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|
||
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|
|
|
Door Sense |
BB2(3) |
BB1(1) |
120VAC |
Door must be |
|
closed. |
|||||
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||
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|
NTC |
|
Thermistor |
J4(1) |
J4(2) |
5VDC |
70oF=10K ohms |
|
|
|
|
|
150oF=1754 ohms |
|
Sensor Bar |
J4(3) |
J4(4) |
24VDC |
|
|
|
|
|
|
|
16010279 Section 2. Electrical Components & Testing 2-7
(16009968-01) |
© 2000 Maytag Appliances Sales Company |
|
Membrane Pad Checks
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 |
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home |
|
J7(3) |
|
J7(5) |
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favorites |
|
J7(4) |
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J7(5) |
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back |
|
J7(3) |
|
J7(6) |
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start/pause |
|
J7(3) |
|
J7(7) |
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off |
|
J7(4) |
|
J7(7) |
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help |
|
J7(4) |
|
J7(6) |
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LED Dryer |
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Membrane |
|
Pin Number |
|
Pin Number |
|
|
Pad |
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||
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sensor dry |
|
J7(12) |
|
J7(13) |
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time dry |
|
J7(11) |
|
J7(13) |
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time (+ ) |
|
J7(10) |
|
J7(13) |
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time (-) |
|
J7(9) |
|
J7(13) |
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|
Dry Temp (^ ) |
|
J7(11) |
|
J7(14) |
|
|
|
|
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|
|
|
Dry Temp (v) |
|
J7(10) |
|
J7(14) |
|
|
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|
|
|
|
|
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) |
|
|
|
|
|
|
|
|
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.
16010279 Section 2. Electrical Components & Testing 2-8
(16009968-01) |
© 2000 Maytag Appliances Sales Company |
|
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