Section 4. 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.

!CAUTION

Units covered in this manual are polarized. Reversing polarity of a unit or any of its components will cause damage. To avoid reversing polarity, any wires disconnected or removed during service must be reconnected to the same location. To ensure wires are reconnected to the proper location, tag or otherwise mark the wires before disconnecting or removing.

Will Not Fill

Water Access Valve

Check to determine if the valve is turned on and water is available to the Dishwasher. Check water pressure.

Circuit Breaker/Fuse

NOTE: Low water pressure can result in failure of the Water Valve to close properly.

Float

Ensure that the Float isn't stuck in the down position. Check for sediment buildup. Clean and/or replace as necessary.

Check for tripped breaker or blown fuse. Reset or replace as necessary.

Door Latch

Check door switches for continuity. With door switches engaged, no continuity, replace switch.

Float

Check float position. If in the up position, check for obstruction or disengagement from the Float Switch Arm.

Float Switch

If the float is in the down position, check the switch for continuity. If no continuity, replace the Float Switch.

Water Valve

Check Solenoid for continuity. No continuity, replace Water Valve. Check Inlet Screen for restrictions. Clean screen or replace Water Valve as necessary. (See section 5).

Wiring/Electrical Connections

Check for loose or frayed wire terminal connections. Check for broken wire within harness. Repair or replace as necessary.

Overflows

Float Switch Actuator Lever

Check the actuator lever on the bracket. It must be able to move freely. Repair or replace as necessary. (See section 5).

Float Switch

Check Float Switch for continuity with the Float in the up position. If continuity is present and Float moves up and down freely, replace Float Switch.

POOR WATER CIRCULATION

Water Level - Too Low

Normal water fill should be at level depicted by arrows.

Water Valve

 

Pump Assembly

 

Check that water continues to flow when electrical power

 

Check assembly for obstructions or restricted movement

is turned off. If the water continues to flow without

 

 

of parts. Repair and/or replace parts as necessary.

electrical power, replace Water Valve.

 

 

 

 

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©2002 Maytag Appliance Sales Company

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Maytag MDBF550AW, MDBH950AW, MDB9600AW, MDBL540AW, MDBF750AW Electrical-Mechanical Troubleshooting, Will Not Fill, Overflows
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MDB5600AW, MDB6600AW, MDB7600AW, JDB4000AW, MDB8600AW specifications

The Maytag MDB7600AW, MDB6600AW, MDB8600AW, MDBF550AW, and MDBF750AW dishwashers combine power, efficiency, and innovation, designed to tackle tough stains while providing user-friendly features. Maytag is known for its strong performance, making these models popular choices for homeowners seeking reliable dishwashing solutions.

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In summary, the Maytag MDB7600AW, MDB6600AW, MDB8600AW, MDBF550AW, and MDBF750AW dishwashers are designed for consumers who value efficiency and powerful cleaning. With high-performance features, energy savings, capacity for large loads, durability, and advanced technology, these dishwashers are a strong choice for any kitchen. Whether tackling everyday dishes or more challenging messes, Maytag continues to deliver exceptional cleaning results.
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