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Air Conditioner: Liquid floods back to compressor on start / liquid refrigerant in cold condenser

Updated · by Aurora Star Tech Inc.

Liquid floods back to compressor on start / liquid refrigerant in cold condenser on a air conditioner: Possible causes and checks for: liquid floods back to compressor on start / liquid refrigerant in cold condenser.

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

Common causes of liquid floods back to compressor on start / liquid refrigerant in cold condenser

  • No discharge line trap, refrigerant migrating to cold condenser (coldest point) from receiver

How to fix liquid floods back to compressor on start / liquid refrigerant in cold condenser: step by step

  1. Discharge trap, inverted trap at condenser outlet or check valve between LAC and receiver
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 Air Conditioner codes Goodman Air Conditioner codes KeepRite Air Conditioner codes Lennox Air Conditioner codes Trane Air Conditioner 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