Fault Diagnostic · Same-day
Aircon Not Cooling Randburg
The unit runs and blows air, but the room does not cool down.
Priority
Same-day
Service
Air Conditioning Repairs
Response
Same-day in Randburg
Most likely causes
- 01Filters and evaporator coil blocked with dust
- 02Low refrigerant charge from a leak at a flare joint
- 03Failed capacitor stopping the compressor
- 04Outdoor fan not running, causing high-pressure trip
- 05Undersized unit for the room's heat load
What you can safely check first
- · Wash the indoor filters and let them dry fully
- · Check the outdoor fan is actually spinning
- · Reset the isolator once and note if it trips again
- · Set the mode to Cool, not Fan or Dry
What our technician does on site
We record delivered air temperature, running amps and system pressures so the diagnosis is measured rather than guessed.
This fault falls under our Air Conditioning Repairs Randburg service. Call-out and diagnostic fee is quoted upfront and credited against the repair if you proceed.
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Aircon Not Cooling? Get a technician dispatched.
WhatsApp a photo of the unit, its data plate and any error code on the display — we will tell you what we expect to find before we arrive.
Local Fault Pages
Aircon Not Cooling by suburb
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