DETERGENT NOT DISSOLVING
Maytag · MDB8959SKZ 24" Top Control Smart Dishwasher with Third Level Rack
Low water temperature, blocked dispenser, or water pressure too low. Verify hot water reaches 120°F. Clean dispenser cup. Check water supply pressure (minimum 20 psi).
Error DETERGENT NOT DISSOLVING on the Maytag MDB8959SKZ 24" Top Control Smart Dishwasher with Third Level Rack means: Detergent Not Dissolving. The top-ranked community fix is “Replace Detergent Dispenser Assembly” (medium difficulty, ~45 min, DIY cost: $20-$40). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · dishwasher
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many dishwasher repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $130-$200.
Musty or Bad Odor
Cloudy or Spotted Glassware
Dishes Not Getting Clean
Door Will Not Latch Properly
Control Board Relay Stuck
Control Board Internal Failure
User Interface Stuck Button
Thermistor/OWI Sensor Failure
The Maytag MDB8959SKZ 24" Top Control Smart Dishwasher with Third Level Rack has 8 other known error codes:
Error code DETERGENT NOT DISSOLVING also appears on 1 other Maytag model:
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