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27" Front Load Washer - Technical Information
MAH9700A*
• 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 16025909 for detailed installation, operating, testing, troubleshooting, and disassembly
instructions.
All safety information must be followed as provided in Service Manual 16025909.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless
testing requires power.
June 2006
©2006 Maytag Services
!
CAUTION
!
WARNING
1
16026736
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Summary of Contents for Maytag MAH9700A Series
- Page 1 CAUTION All safety information must be followed as provided in Service Manual 16025909. WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. June 2006 16026736 ©2006 Maytag Services...
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Page 2: Component Testing Procedures
Less than 1 ohm MEMS Sensor Check voltage at Pin #1 and Pin #5 of CN11........... Approximately 2.5V (2.2V – 2.8V) Check voltage at Pin #1 and Pin #4 of CN11........... Approximately 2.5V (2.2V – 2.8V) 16026736 June 2006 ©2006 Maytag Services... - Page 3 To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Machine Control Board CN11 CN10 MEMS Sensor Motor Normal resistance is approximately 11.6.0 Ω between any 2 pins (1,2 or 3) on motor June 2006 16026736 ©2006 Maytag Services...
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Page 4: Troubleshooting Procedures
(Before test, make sure that the tumbler is switch or on the machine control board at CN3. empty.) (See “Component Testing Procedures”). • Check for loose connections at machine control board, pressure switch, motor, tach harness and motor control. 16026736 June 2006 ©2006 Maytag Services... - Page 5 Disconnect inlet hoses from the Water Valve than 50°C/122°F. If there is no problem with and clean the valve screens of any debris. temperature, check wiring of machine control board and door lock switch. June 2006 16026736 ©2006 Maytag Services...
- Page 6 The water level fails to Voltage for motor control drop below the Low Water bus is over specified limit. level reset within 15 minutes, before a spin Voltage for motor control begins. bus is under specified limit. 16026736 June 2006 ©2006 Maytag Services...
- Page 7 Cycle Selector step Software Level. Version Press Wash/Rinse Press Power Off Fast Press Chime Temp to start test. Cycle Count Time- Press Wash/Rinse Down Test / Advance Temp during cycle to to next step advance. June 2006 16026736 ©2006 Maytag Services...
- Page 8 14 seconds. If the washer is equipped, turn ‘ON’ heater for first 5 seconds of this tumble pattern. Advance the washer to next step if water is not connected to machine. 16026736 June 2006 ©2006 Maytag Services...
- Page 9 When the Rotary Cycle Selector knob is set to Water Level Frequency “Sanitary”. Press “Delicates” and the Rotary Cycle Selector knob is Frequency(Hz) drops as water Rotary Cycle pressed, the water temperature will be displayed in rises. Selector. degrees C (Celsius). June 2006 16026736 ©2006 Maytag Services...
- Page 10 2 When the Rotary Cycle Selector knob is set to “Whites” and the Rotary Cycle Selector knob is pressed, the press, heater bleach valve and the cold water valve will be turned ‘ON' ‘OFF’. 16026736 June 2006 ©2006 Maytag Services...
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Page 11: Diagnostic Codes
If condition still attempts unlock “Troubleshooting exists, replace Procedures”. machine control Continuous fill of Displays "nF". board. 12 minutes. See No Water Fill No Fill 12-14 Not Used Total fill of 14 “Troubleshooting minutes. Procedures”. June 2006 16026736 ©2006 Maytag Services... - Page 12 Service Mode. A power loss during Service Mode will cancel this mode. Displays " tE". Sump Abnormal - Loose or pinched thermistor high/low temp or wires. failure ohm resistance - Bad sump (Optional) seen thermistor. 30-33 Not Used 16026736 June 2006 ©2006 Maytag Services...
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Page 13: Wiring Schematics
Wiring Schematics WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. June 2006 16026736 ©2006 Maytag Services... - Page 14 To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. do not have connector CN11 or MEMS PCB originally. NOTE: Series 10 – 16 Series 17 16026736 June 2006 ©2006 Maytag Services...
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