27” Front Load Washer - Technical Information MAH8700A* • 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 16026126 for detailed installation, operating, testing, troubleshooting, and disassembly instructions. ! CAUTION All safety information must be followed as provided in Service Manual 16026126.
Component Testing Procedures ! WARNING 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 Water Sensor Unplug harness connector and test from wire insertion side of connector. Pin #7 of CN10 and Pin #3 of CN5...... Pin #8 of CN10 and Pin #3 of CN5......
Component Testing Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Machine Control Board CN11 CN3 1 9 1 5 CN5 3 CN8 1 5 4 1 CN10 2 2 1 1 CN6 4 8 1 3 CN7 1 CN9 RY9 MEMS Sensor Motor 1 2 3 Normal resistance is approximately 3.
Troubleshooting Procedures ! WARNING 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. • Push any key to turn ‘ON’ the clothes washer and press the Rotary Cycle Selector knob to start the clothes washer. • Close door and push the Rotary Cycle Selector knob to start the clothes washer.
Troubleshooting Procedures ! WARNING 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. • Check for loose wire connections at control board and pump. • Check to see if belt is off motor and pulley. • Use high efficiency or low sudsing detergent specially formulated for front load washers.
Troubleshooting Procedures ! WARNING 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. • Check vent flappers for foam present on flapper. • Check for loose pump to bracket screws. • Check for stripped pump mounting bolts. • Check location of top suspension springs.
Troubleshooting Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Service Mode Test or Display Service Mode enables service personnel to verify the operation of the washing machine and diagnose problems. Service Mode can be entered in the middle of any wash cycle without interrupting the cycle.
Troubleshooting Procedures ! WARNING 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. Quick Spin Test steps follow: • Start spinning, and after reaching a maximum spin speed. • Stay at maximum spin speed for 2 minutes and stop Quick Spin Test. 6. 7.
Troubleshooting Procedures ! WARNING 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 IN Spin Only key will begin the Board Input Test. This test turns on a specified output after a key press. Pressing the Spin Only key again cancels the test. (Display shows “in”). While in Service Mode follow chart to check respective function.
Troubleshooting Procedures ! WARNING 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. This test turns ‘ON’ a specified output after a key press. Pressing the Spin Speed key again cancels the test. Only one output can be ‘ON’ at any time. All outputs will be turned ‘OFF’ after five (5) minutes of inactivity.
Troubleshooting Procedures ! WARNING 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 & Spin key and rotating the Rotary Cycle Selector knob. The display will show a “d”. Diag.
Troubleshooting Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Diag. Description Code 15 Trigger A key is sensed to be pressed more than 30 Stuck Key seconds, the key will be assumed to be stuck. Action to be taken Diag. Description Code Display "E2". See LED/Switch Test. Check connection of keypad to control board. Replace console if necessary. 17 Will display "od".
Wiring Schematics ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. NOTE: Series 10 – 11 do not have connector CN11 or MEMS PCB originally.