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Mini-Split: Water leaking

Updated · by Aurora Star Tech Inc.

Water leaking on a mini-split: Possible causes and checks for: water leaking.

Homeowner with a ductless mini-split problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Common causes of water leaking

  • Blocked drain line, failed condensate pump, dirty pan/biocide neglect

How to fix water leaking: step by step

  1. Clear drain, test pump, add overflow switch and biocide tablets. pp.856–857 [830–831]
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: Carrier Mini-Split codes Midea Mini-Split codes Viessmann Mini-Split codes

Source: General HVAC service practice — verify per model. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency HVAC Service

647-657-2977