MECH-01
Hotpoint · HDA3600HWW 24 in Built-In Dishwasher with 48 dBA Noise Level and 5 Wash Cycles
Water remains in the bottom of the dishwasher after the cycle completes — check the drain hose for kinks between the dishwasher and the garbage disposal or sink drain; if connected to a garbage disposal, verify the knockout plug inside the disposal inlet was removed during installation (this is the single most common cause on new installs); clean the drain screen/filter basket at the bottom of the dishwasher tub; the drain pump motor may have failed — listen for a humming sound during drain; inspect the check valve (flapper) in the drain line for debris preventing it from opening
Error MECH-01 on the Hotpoint HDA3600HWW 24 in Built-In Dishwasher with 48 dBA Noise Level and 5 Wash Cycles means: Not Draining — Water Standing in Tub After Cycle. The top-ranked community fix is “Inspect and Replace Drain Pump or Check Valve” (medium difficulty, ~60 min, DIY cost: $10-$20). 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: $120-$180.
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Not Filling with Water
Dishes Not Getting Clean
Leaking Water on Floor
Not Drying Dishes
Loud or Unusual Noise During Operation
Door Won't Close or Latch Properly
Detergent Dispenser Not Opening
Constant Running or Timer Not Advancing
The Hotpoint HDA3600HWW 24 in Built-In Dishwasher with 48 dBA Noise Level and 5 Wash Cycles has 8 other known error codes:
Error code MECH-01 also appears on 7 other Hotpoint models:
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