Dacor DDW24M999US 24 in 42 dBA WiFi Connected Modernist Series Dishwasher 4E Error Fix: Water Supply Error — Not Filling

Error code 4E on the Dacor DDW24M999US 24 in 42 dBA WiFi Connected Modernist Series Dishwasher means: Water Supply Error — Not Filling. The dishwasher is not filling with water within the allowed time. Check that the water supply valve under the sink is fully open. Remove the water inlet hose and clean the mesh filter screen at the inlet valve — mineral deposits are the most common cause. Verify household water pressure is adequate (20-120 PSI). Test the water inlet valve solenoid for continuity. Check that the door is fully closed and latched. A faulty door switch can prevent water fill as a safety measure.

The most successful fix is "Test and Replace Water Inlet Valve and Door Switch" (medium difficulty, ~45 minutes). Estimated DIY cost: $20-$35. HomeMD has 2 community-ranked fixes for this error.

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Yes — the top-ranked community fix ("Test and Replace Water Inlet Valve and Door Switch") is rated medium difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Adjustable wrench.

DIY cost: $20-$35. Professional repair typically costs $130-$190. 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), 5E (Drain Error — Not Draining), 9E (Low Water Level Error), AE (Internal Communication Error), and 3 more.