Maytag MAH650 series Technical Information Download | Manualshive

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August 2006 1

16027402

©2006 Maytag Services

Front Load Washer

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Technical Information

MAH6500*

•

Due to possibility of personal injury or property damage, always contact an authorized technician
for servicing or repair of this unit.

•

Refer to Service Manual 16010061 for detailed installation, operating, testing, troubleshooting, and

disassembly instructions.

All safety information must be followed as provided in Service Manual 16010061.

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

CAUTION

!

!

WARNING

.

Features MAH6500AW*

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Summary of Contents for MAH650 series

Page 1: ...vicing or repair of this unit Refer to Service Manual 16010061 for detailed installation operating testing troubleshooting and disassembly instructions All safety information must be followed as provided in Service Manual 16010061 To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power CAUTION WARNING Features MAH6500AW ...

Page 2: ...control board P6 1 P6 2 120 VAC L1 motor control P8 2 P6 2 120 VAC Lower water level input P4 8 P4 4 24 VDC Motor control tach P4 2 P4 4 24 VDC Neutral 120 VAC P6 2 Neutral Unbalance input P3 4 P4 4 24 VDC Softener water valve P1 5 P6 2 120 VAC Torque PWM P4 3 P4 4 24 VDC Water valve thermistor P4 6 P4 7 10K 85K ohms Heater P6 3 P8 4 120 VAC Thermistor Heater P3 1 P3 2 120 VAC 500 40K ohms High Le...

Page 3: ...or unlock output P8 3 P6 2 120 VAC 60 millisecond pulse Drain pump output P8 1 P6 2 120 VAC High water level input P1 6 P6 2 120 VAC Hot water valve output P1 2 P6 2 120 VAC 500 2K ohms L1 machine control board P6 1 P6 2 120 VAC L1 motor control P8 2 P6 2 120 VAC Lower water level input P4 8 P4 4 12 VDC Motor control tach P4 2 P4 4 12 VDC Neutral 120 VAC P6 2 Neutral Unbalance input P3 4 P4 4 12 V...

Page 4: ...eens Visually check hot and cold separately at dispenser for proper flows Go to No Fill Test page 11 Noisy Clothes washer should be leveled properly as outlined in installation instructions Weak floors can cause vibration and walking Check for loose lower front bracket Be sure rubber feet are installed on leveling legs Check that the leveling leg lock nuts are tightened If complaint is a high pitc...

Page 5: ...leshooting Procedures WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Wet Clothes Very small clothes loads can cause unbalances add additional towels Excessive suds may have been present Check for diagnostic code 16 Check unbalance harness connections at all switches and at Control Board Inertial unbalance...

Page 6: ...t S k a o s e r P c i t s o n g a i D s e d o C e s u a P t r a t S Troubleshooting Procedures WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Consumer Information Codes If the consumer observes codes on display see table below Sd Suds Machine has detected high level of suds The machine will alter its cycl...

Page 7: ...is in the service mode pressing presoak key will display a d and turn the LED on above the presoak key The diagnostic codes can be viewed by using the arrow keys The down arrow will go down the list Clearing Diagnostic Codes While viewing the diagnostic code listing the diagnostic code list can be cleared from memory by pressing the heavy soil and presoak keys for 3 seconds Number of Cycles Since ...

Page 8: ...Unplug and replug in power cord washer at power supply outlet 3 If a condition still exists replace machine control board 12 14 Not Used 15 Stuck key A key is sensed to be pressed for more than 75 seconds the key shall be assumed to be stuck Replace console membrane switch 16 High speed not achieved due to high motor torque Speed never went over 400 rpm during a main wash cycle because the maximum...

Page 9: ...ead as open and the door locked switch is read as locked Go to Door Lock Test page 10 22 Door switch seen open during cycle Door switch is read as open and the door locked switch is read as locked Go to Door Lock Test page 10 23 Door failed to unlock Door lock is locked and a user tries to start a cycle Go to Will Not Unlock page 4 24 Motor over speed Motor tach signal is seen at maximum speed Rep...

Page 10: ... n E Quick Spin Test While in Service Mode the pressing of spin key shall start the washer in the Quick Spin Test mode e g n a R d e e p S d e y a l p s i D m p r 9 9 0 a l a u t c a 9 9 0 m p r 9 9 9 0 0 1 b 0 1 d e e p S Quick Service Cycle While in Service Mode pressing the delicates key will start a Quick Service Cycle This will be a quick check of all systems The following steps will be follo...

Page 11: ...eck loose electrical connections at machine control board or broken wires in harness Check door actuator switch and related wiring Figure 1 Motor Control Board JP4 Connector Figure 2 Schematic Motor Harness Door Lock Test Placing the washer into the Service Mode and manually locking and unlocking the door mechanism through the control panel can verify the door lock Note The relay on the control bo...

Page 12: ... control board check voltage at pressure switch between BU and BR If voltage present at pressure switch replace pressure switch If voltage is not present at pressure switch check or replace harness If no voltage is present at the Machine control board replace the machine control board 7 _0 indicates the washer is empty If empty press the wrinkle free key to check the high water level 8 1 indicates...

Page 13: ...ust turn on the hot or cold water valves first Two digit display 0 99 plus faster spin LED 100 plus faster spin LED and extra rinse LED 200 Board Input Test Table Board Output Test Table Action Press Key Feedback Door Position cotton sturdy dO Open Latch Position delicates LO Unlocked L l Locked High Water Level wrinkle free O Below Level l Above Level Low Water Level hand wash _O Below Level _ l ...

Page 14: ... August 2006 2006 Maytag Services Wiring Schematics WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power MAH6500 SERIES 10 32 ...

Page 15: ...5 16027402 2006 Maytag Services Wiring Schematics WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power MAH6500 SERIES 33 34 36 ...

Page 16: ...ugust 2006 2006 Maytag Services Wiring Schematics WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power MAH6500 SERIES 35 37 44 ...

Page 17: ...027402 2006 Maytag Services Wiring Schematics WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power 12 12 MAH6500 SERIES 45 current ...

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