Service and Disassembly Procedures

!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.

Checking Valve Operation

No Fill

1.Disconnect power to the machine.

2.Remove Support and Toe Panel. (See paragraph Front Support and Toe Panel removal).

3.Remove wires from Valve Solenoid.

4.Perform continuity check across terminals of Solenoid. If NO continuity is present, replace Water Valve.

Alternate Test: Use Motor Test Cord hooked directly to the Valve Solenoid. Turn water supply on and plug in test cord. If NO water is present, replace Water Valve.

Overfill

If Water Valve allows water to flow without power to Valve Solenoid, replace the Water Valve.

NOTE: The Water Valve is a non-repairable component. The only servicing required is to clean the Inlet Screen if needed.

Inlet Screen

Sediment on the Inlet Screen can hinder water flow through the Water Valve.

Cleaning

1.Disconnect power to the machine.

2.Remove Water Valve from the Dishwasher (See Water Valve Removal).

3.Remove 4 screws securing valve body to Water Inlet Mounting Bracket.

4.Clean screen.

NOTE: Make sure to reattach the ground wire to the mounting bracket.

Air Water Inlet

The Air Water Inlet is located on the left side of the Tub, and mounted to the exterior of Tub. Removal of the Air Water Inlet requires the removal of the Dishwasher from under the counter.

Removal

1.Disconnect power to the machine.

2.Remove the Air Water Inlet Cover located on the left inside wall of Tub. Pull cover straight out to remove.

3.Carefully pull back insulation from the left side of the Tub.

4.Remove rubber hose from channel in Tub, or slip off of fitting on inlet.

5.Grasp upper portion of the Air/Water Inlet. Pull and rotate the Air/Water Inlet clockwise to release it from

the Tub.

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Maytag MDB5600AW, MDBH950AW, MDB9600AW, MDBL540AW, MDBF750AW, MDBH970AW, MDBF550AW Checking Valve Operation, Air Water Inlet

MDB5600AW, MDB6600AW, MDB7600AW, JDB4000AW, MDB8600AW specifications

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