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Air Conditioner: General service-call symptom list

Updated · by Aurora Star Tech Inc.

General service-call symptom list on a air conditioner: Possible causes and checks for: general service-call symptom list.

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 general service-call symptom list

  • No/insufficient cooling
  • Indoor air too humid
  • Stale/stuffy air
  • Excessive noise
  • High operating cost
  • Won't start. Start with: leaks, charge, refrigerant controls, motor controls, moisture in system (ice in metering device causes gradual performance decline). p.876 [850]
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