Dacor DDW24M999US 24 in 42 dBA WiFi Connected Modernist Series Dishwasher MECH-SPRAY Error Fix: Spray Arm Bearing Worn or Clogged

Error code MECH-SPRAY on the Dacor DDW24M999US 24 in 42 dBA WiFi Connected Modernist Series Dishwasher means: Spray Arm Bearing Worn or Clogged. The spray arm wobbles excessively, does not spin freely, or produces poor water coverage. The spray arm bearing (center hub) has worn from use. Remove the spray arm by unscrewing the center nut or pulling it off (model dependent). Remove debris from the spray arm holes using a toothpick. Check the bearing surface and mounting post for wear. Replace the spray arm assembly if the bearing is loose or cracked. Upper and lower spray arms should both be inspected.

The most successful fix is "Replace Spray Arm Assembly Due to Worn Bearing" (medium difficulty, ~30 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Spray Arm Assembly Due to Worn Bearing") is rated medium difficulty and takes about 30 minutes. Tools needed: Phillips screwdriver, Multimeter (optional).

DIY cost: $20-$30. Professional repair typically costs $100-$160. Many homeowners save money by trying the top-ranked community fix first.

The Dacor DDW24M999US 24 in 42 dBA WiFi Connected Modernist Series Dishwasher has 8 other known error codes, including: 1E (Water Level Sensor Error), 3E (Wash Pump Motor Error), 4E (Water Supply Error — Not Filling), 5E (Drain Error — Not Draining), 9E (Low Water Level Error), and 3 more.