MECH-SPRAY
GE Profile · PDT785SYNFS 24 in Smart Top Control Fingerprint Resistant
Dishes have food residue after wash — spray arm nozzles clogged with food, calcium, or glass particles; remove spray arms (unscrew/unclip), clean each hole with toothpick; soak in vinegar to dissolve mineral buildup; check arms spin freely
Error MECH-SPRAY on the GE Profile PDT785SYNFS 24 in Smart Top Control Fingerprint Resistant means: Spray Arms Clogged — Dishes Not Clean. The top-ranked community fix is “Replace Spray Arms to Restore Proper Water Spray” (medium difficulty, ~30 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-$160.
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
dishwasher · 2 fixes
The GE Profile PDT785SYNFS 24 in Smart Top Control Fingerprint Resistant has 8 other known error codes:
Error code MECH-SPRAY also appears on 7 other GE Profile models:
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