Related Manuals for Maytag 27"
Summary of Contents for Maytag 27"
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Page 1: Troubleshooting Guide
Maytag Neptune 27” Front Load Washer Troubleshooting Guide © Maytag Technical Training Services 2005 L2005-005... -
Page 5: Troubleshooting
Troubleshooting Slide 1 – Slide 2 Always refer to the Technical Data Sheet shipped with the product for detailed information for the model you are servicing. Follow all Caution and Safety Warnings The following is an example of the information available on the Technical Data Sheet Will Not Start •... - Page 6 Will Not Spin • Check to make sure the door is fully closed. • Check for water left inside the washer. If present, see Will Not Drain. • Perform Board Output Test or Quick Spin Test. (Before test, make sure that the tumbler is empty.) If it doesn’t tumble after the test above, check unbalanced load scenario, Main Control Board, and motor.
- Page 7 Noisy and/or Vibration/Walking • Check if the washer was properly leveled and the locking nuts are securely tightened up against the base frame of the washer. • Check and determine all four of the shipping bolts and spacers have been fully removed from the rear panel of the washer.
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Page 8: Table Of Contents
Description Diagnostic code Display Detected a key pressed more than 30seconds, the key will be assumed to be stuck. Never exceeded 400rpm due to an unbalanced load. The door has not been opened after two complete wash cycles. Door switch was not seen open since the last two final spins. -
Page 9: Service Mode
Slide 4 Press and hold 3 Sec. Service Mode 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 the Service Mode can be entered. - Page 10 Test or Display Press LED to Start Press LED to Cancel Press Rotary Selector (during test) Press Rotary Selector (cancels Hold Quick hold & resumes next step) Spin Step (holds predefined RPM) Press Temperature to start test. Press Press Power Off Fast Temperature during cycle to advance.
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Page 11: Quick Spin Test
Test or Display Press LED to Start Press LED to Cancel Press Delay and Chime together while Clear All displaying diagnostic codes Diagnostic Codes Press Soil Level. Press 2 times for Press Soil Level a 3 time Display displays with only 2 character positions. Software Version Press Chime... -
Page 12: Hold Quick Spin Test
Slide6 Press Hold Quick Spin Test Hold Quick Spin Step If the Rotary Selector key is pressed during the Quick Spin test, the machine will hold at the next highest index speed for up to 10 minutes. At the end of 10 minutes, the machine will resume and finish the Quick Spin test. -
Page 13: Fast Time Down Test
Slide 7 Press Fast Time Down Test Fast Time Down Test While any test or cycle is running in Service Mode, pressing the Temperature key will advance the program to the next cycle stage. Refer to Technical Data Sheet for Detailed Instructions Fast Time Down Test While any test or cycle is running in Service Mode, pressing the Temperature key will advance the program to the next cycle stage. -
Page 14: Quick Service Cycle
Slide 8 Press and hold 3 sec. Quick Service Cycle Quick Service Cycle While in Service Mode, pressing the Temperature and Soil Level key for 3seconds will start a Quick Service Cycle. This will be a quick check of all systems. If display shows od then open and close door. - Page 15 Slide 9 Press LED/ Switch Test LED/Switch Test While in Service Mode, press the Delay key to start a LED/Switch check. All the LED’s can be toggled or slewed by pressing the key associated with the LED or set of LED’s. All keys (including the OFF button) must be pressed within 5 minutes for this test to pass.
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Page 16: Board Input Test
Slide 10 Press Board input Test 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. Pressing the Spin Only key again cancels the test. - Page 17 • When the “Rotary Cycle Selector” is set to “Hand Wash” and the “Rotary Cycle Selector” is pressed, the level of Tub unbalance will be displayed: “UC” if balanced, “UO” if unbalanced. “U0” will be displayed during the time when the machine is correcting for the unbalance; e.g. slowing down to redistribute the load or to get to a lower spin speed.
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Page 18: Board Output Test
Slide 11 Press Board Output Test 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. - Page 19 button is pressed, the drain pump will be turned on. This output will remain on until the “Rotary Cycle Selector” button is pressed again to turn off the output. • Pressing the “Delay” switch pad will turn on the motor and the “Delay” LED. This output and the LED will remain on until the “Delay”...
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Page 20: Display Diagnostic Codes
Slide 12 Press Display Diagnostic Codes 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 cycle select knob. The display will show a “d”. Rotating the Cycle Selector knob in either direction will cycle through the list of codes one code at a time with no wrap. -
Page 21: Never Exceeded 400Rpm Due To An Unbalanced Load
Diagnostic Codes Diag. Description Trigger Action to be taken Code The water level fails to drop below the Low Displays "nd" No Drain Water level reset within 15 minutes, before Go to "Will Not Drain" a spin begins. Troubleshooting Section The door fails to Door failed to unlock after 3attempts... -
Page 22: The Door Has Not Been Opened After Two Complete Wash
Diag. Description Trigger Action to be taken Code Display "E2". Go to "Membrane A key is sensed to be pressed more than Pad Check" Check connection of Stuck Key 30 seconds, the key will be assumed to be keypad to control board. Replace stuck LED Board if necessary. -
Page 23: System Relay Failure
Diag. Description Trigger Action to be taken Code Display “E3” Evaluate wire Motor Drive harness for loose or unhooked Machine control is attempting to drive the failure connections. If machine has motor but is not seeing any tach response. (Locked, Hall separate motor control, perform Visual check shows motor is not moving. -
Page 24: Slide 13
Slide 13 Or press Off Press and hold 3 Sec. Exit Service Mode Exit Service Mode 1) Press Chime and Extra Rinse keys for 3seconds again, or 2) Press Off, or 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. - Page 25 Slide 14 Maytag Neptune MAH9700 27” FL Washer Schematic...
- Page 26 Slide 15 Maytag Neptune MAH8700 27” FL Washer Schematic...
- Page 27 Slide 16 Maytag Neptune MAH6700 27” FL Washer Schematic...
- Page 28 Slide 17 A resistance check can be made on most components at the control board. Always make resistance checks with the power off.
- Page 29 Slide 18 Check the fill valves at CN5 Hot valve - red & black – 1100 OHMS Pre valve – yellow & black – 1100 OHMS Bleach valve – pink & black – 1100 OHMS Main valve-blue & black-1100 OHMS...
- Page 30 Slide 18 information - Troubleshooting a no fill complaint No Water Fill • Test water fill. Perform Board Output Test. • Check to make sure water supply is turned on fully. • Check electrical circuit and connections at the Water Valve, and Pressure Switch. •...
- Page 31 Slide 19 Check door switch coils: CN5, Pin 7 Sky Blue & CN9 Pin 3 Black -60 OHMS CN5, Pin 8 White & CN9 Pin 3 Black – 60 OHMS...
- Page 32 Slide 19 Door Lock information Troubleshooting a door lock complaint Will Not Lock • Door not all the way closed or not properly aligned. Possible laundry load is too large to close door. • Place washer into Service Mode and check for diagnostic codes 4,18 & 22. •...
- Page 33 Slide 20 To check thermistor, measure across the orange and white wires in connector 9P. The resistance should be approximately 13,000 OHMS@ 70 F...
- Page 34 Slide 21 Motor Resistance Checks Resistance checks can be made at Connector CN9 on the machine control board or at the motor Check Resistance at Pin #1 and #2 of CN9 =11.6Ω Resistance at Pin #1 and #3 of CN9 =11.6Ω Resistance at Pin #2 and #3 of CN9 =11 6Ω...
- Page 36 Be Aware, Be Alert Always work safely. On the Job, On the Road, In the Home Every Time, All the Time...