DRAIN-CLOG
Daikin · DX17VSS036 3 Ton 17 SEER2 Daikin Fit Side-Discharge Air Conditioner
Condensate drain line clogged — the primary drain is blocked with algae, slime, or debris, causing water overflow and potential float switch safety shutdown
Error DRAIN-CLOG on the Daikin DX17VSS036 3 Ton 17 SEER2 Daikin Fit Side-Discharge Air Conditioner means: Condensate Drain Clogged. The top-ranked community fix is “Remove and Replace the Condensate Drain Line and Clean Drain Pan” (medium difficulty, ~45 min, DIY cost: $10-$20). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · air conditioner
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 air conditioner repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $120-$180.
air_conditioner · 2 fixes
air_conditioner · 2 fixes
air_conditioner · 2 fixes
heat_pump · 2 fixes
heat_pump · 2 fixes
heat_pump · 2 fixes
heat_pump · 2 fixes
The Daikin DX17VSS036 3 Ton 17 SEER2 Daikin Fit Side-Discharge Air Conditioner has 8 other known error codes:
Error code DRAIN-CLOG also appears on 7 other Daikin models:
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