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Maytag Dishwasher Won't Start: Causes and Fixes

Quick Answer

Maytag dishwasher won't start: check that the door is fully latched (the door switch must click). Then check for Control Lock (hold the Lock button 3-5 seconds). Also verify the water supply is on - some models won't start without water.

Maytag dishwasher won't start has brand-specific causes related to Maytag's proprietary technology and component design.

MaytagDishwasherSeverity: mediumDifficulty: intermediate75% DIY Success
Time to Fix
15–90 min
Difficulty
intermediate
Parts Cost
—
Tools Needed
Multimeter, Screwdriver set

What Does the WONT-START Code Mean?

Maytag dishwasher won't start - see the detailed diagnosis steps below for Maytag-specific causes and fixes.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Door latch incomplete30%
Control/Delay Lock20%
Water supply off15%
Touchpad failed15%
Thermal fuse blown10%
Float switch stuck up10%

Symptoms You May Notice

  • Won't Start on Maytag dishwasher
  • Performance degradation
  • Unusual sounds or behavior
  • Error code may appear

Can you reset a Maytag dishwasher to clear the WONT-START code?

Unplug for 60 seconds. Some Maytag models have specific reset sequences - check the diagnostic mode entry above.

Tools Required for Diagnosis

MultimeterScrewdriver setFlashlight

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Check the most common Maytag-specific cause for won't start on

Check the most common Maytag-specific cause for won't start on Maytag dishwashers. See the detailed guide above.

2

Check secondary causes common across all dishwasher brands but

3

If basic checks do not reveal the cause, run the brand

Frequently Asked Questions

How much does it cost to fix a Maytag dishwasher won't start?
Most Maytag dishwasher won't start repairs cost $100-400 depending on the cause. Simple fixes (cleaning, resetting) are free. Part replacements range from $10-200 plus $100-200 labor.
Is it worth repairing a Maytag dishwasher won't start?
If the dishwasher is under 8 years old and the repair is under 50% of replacement cost, repair is worthwhile. Maytag offers a 10-year limited parts warranty on some components.
Can I fix Maytag dishwasher won't start myself?
Many Maytag dishwasher issues are DIY-fixable with basic tools. Water-related repairs may require turning off the water supply.

Same Fix Works on These Brands

Maytag shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience WONT-START Errors

This repair applies to most Maytag dishwashers with this error code. Common model numbers include:

MDB4949SKZ, MDB7959SKZ, MDB8959SKZ

Last verified for technical accuracy on March 15, 2026