HVACopediaCarrier · Air conditioner
32 Low pressure trip
What the control is telling you
Amber STATUS light flashes 32. Suction pressure dropped below the trip point (cooling about 33 psig or less, heating about 15 psig or less). After 3 trips it becomes code 83 (4-hour lockout). Type: Local; reset: 6 minutes.
Applies to: Carrier Infinity 19VS variable speed air conditioner 24VNA9 (AOC control + inverter)
Likely causes
- See code 83 for causes
Test and repair steps
- Troubleshoot as code 83 (charge, airflow, closed valve, restriction, TXV).
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Source: Carrier 25VNA8 / 24VNA9 Service Manual, Table 6 Fault Code Actions, p.19. Summarized in our own words; check the original manual for your model.
Homeowner looking at this code? See what it means for you and when to call a technician.
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.