Electrical Mechanical Troubleshooting

!WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit and discharge capacitor through a 10,000 ohm resistor before attempting to service, unless test procedures require power to be connected. Ensure all ground wires are connected before certifying unit as repaired and/or operational.

Thermostat

Check mating surface of the High Limit Thermostat face to surface of tub enclosure. Contact area must be flat. Adjust the thermostat placement if necessary. See Technical Sheet, located behind Toe Panel for thermostat data.

Water Leaks

Installation

Check Dishwasher for proper leveling and squareness in cabinet.

Door Alignment

Check proper alignment of Door Liner to Door Gasket.

Door Gasket

Check for torn or damaged Door Gasket. Repair or replace as necessary.

Hoses

Check for loose hose clamps or hoses that leak. Tighten hose clamps or replace hoses as needed.

Spray Arms / Manifold

Check for cracks and replace as necessary.

Detergent / Rinse Aid Dispenser Seal

Check Rinse Aid Dispenser Seal for proper positioning or cracking. Reposition or replace as needed.

Water Valve

Check Water Valve body for damage and leaks. Replace if necessary. Also, check plumbing connections to Water Valve.

Wash Motor Assembly

Check for water leak between Pump Assembly and tub.

Drain Pump Assembly

Check Pump Assembly Housing for cracks. Check Drain Pump "O" ring for leaks.

Noise

Banging

Check for loose Spray Arms. Check for dishes interfering with Spray Arm rotation. See loading information in the User's Guide at the end of this manual.

Hammering/Chattering

Check Water Valve for, noise, low voltage, or high valve coil resistance. Replace Water Valve if needed. Also, check incoming water supply line for proper size and pressure. Make sure the supply line is secured.

Grinding

Check for objects in Pump Assembly. If objects are found, inspect Pump Assembly for damage. Repair as needed.

Vibration

Check components for source of vibration. Adjust and/or tighten as needed.

Will Not Start Or Program

Control Board

Check incoming voltage to Control Board.

Membrane Switch

Check for proper operation of Membrane Switch. See membrane readings on the Technical Sheet located behind toe panel.

NOTE: Make sure the pin connectors are making proper contact with pins on the Control Board. If the voltage is correct into the Control Board, and the board will not activate, replace board.

Will Not Fill

Water Valve

Check Water Valve circuit. See Technical Sheet for water valve data located behind toe panel.

NOTE: Make sure the pin connectors are making proper contact with pins on the Control Board.

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©2002 Maytag Appliance Sales Company

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Maytag JDB4000AW, MDBH950AW, MDB9600AW Electrical Mechanical Troubleshooting, Water Leaks, Noise, Will Not Start Or Program

MDB5600AW, MDB6600AW, MDB7600AW, JDB4000AW, MDB8600AW specifications

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