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Troubleshooting Procedures

WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.

16025909 Rev. 0

Diag.

Code

Description

Trigger

Action to be

taken

Motor tach

signal exists

without

motor

running.

Tach signal

exists without

torque

command or

when not
expected

(Abnormal

condition

only).

Displays

" bE"

Replace Machine

Control Board.

26-28 Not

Used

Sump

thermistor

failure

(Optional)

Abnormal

high/low temp

or ohm

resistance

seen

Displays

" tE"

- Loose or pinched
wires
- Bad sump
thermistor

30-33 Not

Used

Motor Drive

failure

(Locked, Hall

sensor fault)

Machine

control is

attempting to

drive the

motor but is

not seeing

any tach

response.

Visual check

shows motor

is not moving.

Display “

”

Evaluate wire
harness for loose or
unhooked
connections. If
machine has
separate motor
control, perform self
diagnostic motor
test. See “

Board

Output Test

”

System

Relay failure

Machine

control does

not see relay
open when it

should.

Display "

Replace machine
control board.

35 Not

Used

Diag.

Code

Description Trigger

Action

taken

Heater relay

failure.

Heater Relay
Check signal

not sensed.

Display "

Replace Machine

Control Board.

Motor failure

(Over

current)

Over Current

is detected.
Motor won't

turn.

Displays

".Check the

motor windings, the

speed sensor,

wiring connections,

or Control Board.

40-49 Not

Used

Voltage for

motor control

bus is over

specified

limit

Voltage for

motor control

bus is over

limit

Display

".Replace

Machine Control

Board.

Voltage for

motor control

specified

limit

Voltage for

motor control

bus is under

specified limit

Display

".Replace

Machine Control

Board.

Exit Service Mode

To exit:

1) Press

Chime

and

Extra Rinse

keys for

3seconds again, or

2) Press

Off,

3) Unplug the machine. After five (5) minutes of

inactivity (user key presses) in Service Mode,
the machine will exit the Service Mode and
resume normal operations. Pressing the

Off

key will completely exit Service Mode. If a
cycle is running, cancel the cycle. Pressing
the

Rotary Selector

knob while running a test

will pause the individual test, while remaining
in Service Mode. A power loss during Service
Mode will cancel this mode.

Содержание MAH9700AW 16025909

Страница 1: ...models This manual includes but is not limited to the following MAH9700AW Service This manual is to be used by qualified appliance technicians only Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person 16025909 March 2005 2005 Maytag Services ...

Страница 2: ...EVIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact Customer Service Support Center CAIR C...

Страница 3: ...s 10 Component Testing Information Component Testing Information 21 Disassembly Procedures Top Removal 26 Water Level Sensor 26 Reactor Removal 27 EMI Filter 27 Water Valve Removal 28 Dispenser Removal 28 Console Removal 29 DoorRemoval 29 Front Panel Removal 31 Boot Removal 32 Heater Removal 32 Motor Removal 33 Drain Pump Removal 35 Outer Tub Spinner Removal 36 Appendix A Installation Instructions...

Страница 4: ...rtant Safety Information To reduce the risk of fire electric shock serious injury or death to persons when using your washer follow these basic precautions Read all instructions before using the washer Refer to the Grounding Instructions in the Installation Manual for the proper grounding of the washer Do not wash articles that have been previously cleaned in washed in soaked in or spotted with ga...

Страница 5: ...f electric shock by providing an escape wire for the electric current Standard accepted color coding for ground wires is green or green with a yellow stripe Grounding wires and wires colored like grounding wires are NOT to be used as current carrying conductors To reduce the risk of fire electric shock serious injury or death all wiring and grounding must conform with the latest edition of the Nat...

Страница 6: ...sumer to contact a qualified electrician and have properly grounded three prong wall receptacle installed in accordance with appropriate electrical codes To avoid the risk of electrical shock or death this equipment must be grounded This equipment MUST be grounded In the event of an electrical short circuit grounding reduces the risk of electric shock by providing an escape wire for the electric c...

Страница 7: ... 2005Maytag Services 16025909 Rev 0 7 Important Safety Information ...

Страница 8: ...or in case warranty service is required To locate an authorized technician For Maytag call 1 800 462 9824 or visit the Web Site at www maytag com For product in Canada call 1 866 587 2002 or visit the Web Site at www maytag com Warranty service must be performed by an authorized technician We also recommend contacting an authorized technician if service is required after warranty expires Parts and...

Страница 9: ...unit taped to the back Washer Nomenclature M A H 9 7 0 0 A Y W Brand M Maytag Listing W 120V 60hz Y 240V 60hz Z Canada 240V 60hz Y 220 240 V 50 60 Hz Feature Content 9700 Feature Package Marketing Code This identifies which version of production the unit is Color W White M Platinum Product Type AH Automatic Horizontal ...

Страница 10: ...t water pressurization may force door open No Tumble Start normal cycle with an empty machine and allow a fill to check tumble Perform Board Output Test or Quick Spin Test Before test make sure that the tumbler is empty Check for loose connections at Machine Control Board Pressure Switch Motor Tach Harness and Motor Control Refer to the component testing procedure Check motor windings resistance C...

Страница 11: ...If there is no problem with temperature check wiring of Main Control Board and Door Lock Switch Drain manually by removing drain hose clamp Display shows LO Press power Off Key to turn off the washer and unplug and reconnect washer Press any key to turn on the washer If LO is displayed Main Control Board and Door Lock Switch should be checked Place washer into Service Mode and check for diagnostic...

Страница 12: ...ottom of additive cups is normal Remove and wash Dispenser Tray removable Cup and Rinse Cap Level washer Buttons do not Respond Option and Function buttons respond differently according to each cycle Child Lock feature has been selected To disable feature press and hold Wash Rinse Temp and Spin Speed simultaneously until a beep is heard When display shows End only the Power Off button will functio...

Страница 13: ...ntinuous running mode start a variety of special service tests and view diagnostic displays Enter Exit Service Mode To enter Service Mode press the Chime and Extra Rinse keys for three seconds or until the control beeps NOTE The washer must be on before Service Mode can be entered The motor speed will be displayed when started motor not running display will be 0 The present state of the machine wi...

Страница 14: ... Press Off Diagnostic Code Display Initial Press Rinse Spin displays d Press Rinse Spin again Test or Display Press LED to Start Press LED to Cancel All Diagnostic Codes Rotate Cycle Selector either direction N A Cycle Count No for Diagnostic Code Press and hold Rotary Selector while diagnostic code is displayed Release Rotary Selector returns to diagnostic code display Clear All Diagnostic Codes ...

Страница 15: ...econds of this tumble pattern Advance the washer to next step if water is not connected to machine 6 Drain and spin to maximum speed Machine will achieve maximum speed using the safest fastest method 7 Display a PA Passed continuously for 5 seconds I no diagnostic codes were logged during the test Washer will return to the normal Service Mode at the end of the 10 second period The SC in the displa...

Страница 16: ...ute the load or to get to a lower spin speed Once the situation has been corrected i e the load has begun tumbling or the lower speed has resulted in an acceptable amount of balance UC will once again be displayed When the Delay switch pad is pressed the water temperature will be displayed in Degrees F When the Rotary Cycle Selector is set to Delicates and the Rotary Cycle Selector is pressed the ...

Страница 17: ...y LED This output and the LED will remain on until the Delay switch pad is pressed again to turn off the output When activated the machine will tumble for 5 seconds in the CW direction pause for 2seconds tumble in the CCW direction for 5 seconds pause for 2 seconds repeating this pattern until Delay button is pressed again to turn off the tumbling Note that all tumble speeds are assumed to be 45 r...

Страница 18: ... the control reaches the top it will again show d A code generated during the current cycle will be displayed with the Spin Indicator LED turned ON If no cycle is currently running a code generated during the previous cycle will be displayed with the Spin Indicator LED turned ON Access Other Features While a diagnostic code is displayed if the Rotary Selector is pressed and held the machine will d...

Страница 19: ...ngs Difficulty in reading memory Go to Clear diagnostic codes Disconnect and reconnect the washer power cord at power supply outlet If condition still exists replace machine control board 12 14 Not Used Diag Code Description Trigger Action to be taken 15 Stuck Key A key is sensed to be pressed more than 30 seconds the key will be assumed to be stuck Display E2 Go to Membrane Pad Check Check connec...

Страница 20: ...when it should Display Sr Replace machine control board 35 Not Used Diag Code Description Trigger Action to be taken 36 Heater relay failure Heater Relay Check signal not sensed Display Hr Replace Machine Control Board 3E Motor failure Over current Over Current is detected Motor won t turn Displays 3E Check the motor windings the speed sensor wiring connections or Control Board 40 49 Not Used 91 V...

Страница 21: ...ltage at Pin 4 and Pin 2 of CN8 Check voltage at Pin 4 and Pin 3 of CN8 0V DC or 3 75V 0V DC or 3 75V Motor Unplug harness connector and test from wire insertion side Pin 1 and Pin 2 of CN9 Pin 1 and Pin 3 of CN9 Pin 2 and Pin 3 of CN9 11 6 ohms 11 6 ohms 11 6 ohms Drain Pump During drain check voltage at Pin 1 of CN5 and Pin 6 of CN10 120V AC Water Valves Unplug harness connector and test from wi...

Страница 22: ... the water temperature in the tub is below 95 degrees F The heater will turn off when the water temperature is above 105 degrees F or time has expired for the wash cycle The cycle time will not be extended to reach the desiredtemperature When hot wash is selected the heater will turn on if the water temperature in the tub is below 120 degrees F The heater turns off when the water temperature is ab...

Страница 23: ...testing requires power 2005 Maytag Services 16025909 Rev 0 23 Note The heater will not turn on more than once in a wash cycle no reheating SUB TOTAL COOLING DISENTANGLE WASHING HEATING FILL Rotation of Spinner DRAIN WASH SUB TOTAL COOLING DISENTANGLE WASHING HEATING FILL Rotation of Spinner DRAIN WASH Water flow through dispenser during Wash fill ...

Страница 24: ...ervicing unless testing requires power 24 16025909 Rev 0 2005 Maytag Services SUB TOTAL DISENTANGLE FILLING TO REMOVE SUDS RINSE FILL Rotation of Spinner MIDTERM SPIN DRAIN RINSE 1 SUB TOTAL DISENTANGLE FILLING TO REMOVE SUDS RINSE FILL Rotation of Spinner MIDTERM SPIN DRAIN RINSE 1 Water flow through dispenser during Rinse 1 fill ...

Страница 25: ...ervicing unless testing requires power 2005 Maytag Services 16025909 Rev 0 25 SUB TOTAL DISENTANGLE FILLING TO REMOVE SUDS RINSE FILL Rotation of Spinner MIDTERM SPIN DRAIN RINSE 2 SUB TOTAL DISENTANGLE FILLING TO REMOVE SUDS RINSE FILL Rotation of Spinner MIDTERM SPIN DRAIN RINSE 2 Water flow through dispenser during Rinse 2 fill ...

Страница 26: ...es WARNING Top Removal 1 Disconnect power supply to unit 2 Remove 2 10mm screws from washer back 3 Slide Top Cover towards the rear to clear the screw head from flange on the bottom side of the Top Cover Water Level Sensor Removal 1 Disconnect power supply to unit 2 Remove Top Cover 3 Remove harness plug 4 Remove Pressure Hose 5 Remove single attachment screw ...

Страница 27: ...ce 4 Twist Reactor counterclockwise to remove NOTE The reactor coil is wired in series with line 1 internally in the Control Board An open coil or loose electrical connection would result in a dead board complaint A resistance check across the coil leads should indicate less than 1 ohm EMI Filter Removal 1 Disconnect power supply to unit 2 Remove Top Cover 3 Loosen 13mm acorn nut and slide EMI Fil...

Страница 28: ...h hot and 3 valve combo cold valve 4 Remove hose clamps and hoses NOTE The hose circuitry is marked on the Dispenser top Dispenser Removal 1 Disconnect power supply to unit 2 Depress the release tab and slide drawer from washer Combo Cold Valve Hot Valve 3 Remove Top Cover 4 Remove clamps and hoses from dispenser NOTE The hose circuitry is marked on the Dispenser top 5 Remove attachment screws and...

Страница 29: ...nnect power supply to unit 2 Remove Top Cover 3 Remove Dispenser Drawer 4 Remove five screws attaching Console 5 Roll Console down and lift away from washer 6 Remove Reactor wire harness from wire clip 7 Remove Reactor wire harness connector from the PCB Board 8 Remove five screws from PCB Housing to access the LED Circuit Board Door Removal 1 Disconnect power supply to unit 2 Remove four screws t...

Страница 30: ...injury or death disconnect power to unit before servicing Disassembly Procedures WARNING 3 Remove hinge retainer plate 4 Remove door from hinge posts 5 Remove Screws around the perimeter of the glass retainer 6 Remove the glass retainer 7 Remove glass 8 Remove external viewing window ...

Страница 31: ...ARNING Front Panel Removal 1 Disconnect power supply to unit 2 Remove Top Cover 3 Remove Console 4 Open door and remove Boot Retainer Clamp Expand the Boot Clamp Spring located at the 6 o clock position 5 Pull the boot from the lip formed into the front opening 6 Remove four screws attaching the front to the cabinet 7 Disconnect the wire connectors to the Door Lock ...

Страница 32: ... Top Cover 3 Remove Console 4 Remove Front Panel 5 Loosen boot clamp at the 12 o clock position NOTE When installing the boot align the index tabs on the boot with the screws on either side of the Fill Tube Heater Removal 1 Disconnect power supply to unit 2 Remove Top Cover 3 Remove Console 4 Remove Front Panel 5 Remove Thermistor and Heater wiring connectors 6 Loosen 10mm nut on Heater and remove...

Страница 33: ... Procedures WARNING Motor Removal 1 Disconnect power supply to unit 2 Remove two screws attaching Back Cover and slide cover up and lift bottom edge out of retaining slots 3 Remove either vent tube from the outer Tub 4 Rotate the Spinner to locate a slot Insert a rubber handled tool or equivelent object to lock the Spinner while removing the Motor nut ...

Страница 34: ...nets Use caution during handeling and installation DO NOT place fingers between rotor and windings during installation 7 Depress and release latch to remove motor wiring connectors 8 Remove the six 10mm bolts securing stator coil to the tub NOTE There are alignment pins for the Stator reinstallation Use caution during removal and installtion the stastor will not hang from the alignment pins Start ...

Страница 35: ...ervicing Disassembly Procedures WARNING Drain Pump Removal 1 Disconnect power supply to unit 2 Remove Back Cover 3 Remove clamp and Drain Hose 4 Remove clamp and Pump Hose 5 Remove wiring connector 6 Remove three 13mm bolts securing Drain Pump to base 7 Remove screw securing Drain Pump to bracket Twist Drain Pump clockwise to remove ...

Страница 36: ... the Rear Struts to the base 9 Rotate the struts up against the bottom of the tub to ease removal of the tub assembly NOTE The rear struts can be identified by the green sleeve 10 Remove two each side 13mm bolts securing Counter Weights NOTE Torque bolts to 11 22 ft lbs during installtion 11 Remove wire harness connectors for the heater Themistor and ground 12 Remove two 13mm bolts securing the Fr...

Страница 37: ... avoid risk of electrical shock personal injury or death disconnect power to unit before servicing Disassembly Procedures WARNING 14 Remove fill hose 15 Remove Pressure Switch harness connector 16 Remove the Pressure Hose 17 Remove ground wire ...

Страница 38: ...NING 18 Remove left and right Vent Hoses 19 Lift Suspension Spring from keeper in cabinet Repeat for the opposite side and let Outer Tub rest on support board 20 Remove two screws securing Center Brace to Back Guard 21 Remove remaining screws securing Back Guard to cabinet 22 Grasp the front and rear of the tub and slide out Use a blanket or rug to protect the floor ...

Страница 39: ...ARNING 23 Set the tub on the floor Position 4 wood blocks or equivalent around the spinner shaft Roll the tub to the upright position and rest it on the blocks 24 Remove the 10mm screws around the perimeter of the tub NOTE Torque tub bolts to 6 11 ft lbs 25 Separate the front and rear halves of the Outer Tub 26 Tub Gasket can be replaced after tub halves are split ...

Страница 40: ...g Services To avoid risk of electrical shock personal injury or death disconnect power to unit before servicing Disassembly Procedures WARNING 27 Lift Spinner to access Wave Washer 28 Remove screw and release tab to remove Baffles ...

Страница 41: ... 2005 Maytag Services 16025909 Rev 0 41 A A A A Appendix ppendix ppendix ppendix ppendix A A A A A ...

Страница 42: ...42 16025909 Rev 0 2005 Maytag Services 101504 DC68 02032B ...

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Страница 44: ...44 16025909 Rev 0 2005 Maytag Services WARNING ...

Страница 45: ...actors in vibration and or tendencyfor a washer to moveslightly during the spin cycle Never install the washer on a platformor weakly supported structure LOCATION CONSIDERATIONS It is recommended the washer never be installed in areas where water mayfreeze since the washer will always maintain some water in the water valve pumpand hose areas This cancause damageto belts pump hoses and other compon...

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Страница 47: ... 2005 Maytag Services 16025909 Rev 0 47 Before using the washing machine you must removethe four shipping bolts ...

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Страница 49: ... 2005 Maytag Services 16025909 Rev 0 49 A A A A Appendix B ppendix B ppendix B ppendix B ppendix B ...

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Страница 64: ...ess the Cycle S elector dial Press Powe r Off padthenr estart the cyc le If the code r ea ppe ars call for ser vice seebe low Close the door tightly and restart the cyc le If the code r ea ppe a r s call for ser vice seebe low Close the door tightly and restart the cyc le If the code rea ppe a r s call for ser vice seebe low Call for service seebe low Call for ser vice seebe low Mak e sure the doo...

Страница 65: ... 2005 Maytag Services 16025909 Rev 0 65 ...

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