HVACopediaAll brands · Air conditioner troubleshooting
Continuous run, no cooling, condenser cooler than normal
What is going on
Possible causes and checks for: continuous run, no cooling, condenser cooler than normal.
Likely causes
- High-side restriction (cap tube, drier, screen)
Check in this order
- Isolate with nitrogen test
- Replace drier (always) / cap tube
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Source: General HVAC service practice — verify per model. Written in our own words; check the manual for your exact model.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.