Neptune commercial high efficiency washers (125 pages)
Summary of Contents for Maytag MAH8700A
Page 1
• Refer to Service Manual 16026126 for detailed installation, operating, testing, troubleshooting, and disassembly instructions. All safety information must be followed as provided in Service Manual 16026126. To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Model...
Component Testing Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. NOTE: See “Machine Control Board” on next page for pin and connector locations. Illustration Component Thermistor Door Switch...
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Will Not Start • Plug cord into live electrical outlet. Check for proper voltage. • Check fuse or reset circuit breaker.
Page 5
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Tub Full of Suds • Check for restricted drain system. See Will Not Drain and Will Not Spin.
Page 6
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Vibration/Walking/Noise • Check for proper load size and distribution. • Check for proper installation. • Verify unit has new motion sensor / control board.
Page 7
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Service Mode Service Mode enables service personnel to verify the operation of the washing machine and diagnose problems.
Page 8
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Quick Spin Test While in Service Mode, press Delay and Rinse & Spin keys to start a Quick Spin Test.
Page 9
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Board Input Test While in Service Mode, pressing the Spin Only key will begin the Board Input Test. This test turns on a specified output after a key press.
Page 10
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Board Output Test While in Service Mode, pressing the Spin Speed key will begin the Board Output Test.
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Display Diagnostic Codes The diagnostic code display can be toggled ‘ON’ and ‘OFF’ from Service Mode by pressing the Rinse &...
Page 12
Troubleshooting Procedures To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Diag. Description Trigger Code A key is sensed to be pressed more than 30 Stuck Key seconds, the key will be assumed to be stuck.
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