Carrier Error Code 1 long: Capacity limited – one long flash (AC)
Carrier error code 1 long on a air conditioner means: Capacity limited - one long flash. It is also called Carrier diagnostic code 1 long.
Homeowner? What Carrier code 1 long means for you
Usually minor Your air conditioner is reporting: Capacity limited - one long flash. This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.
Safe things you can check yourself
- Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
- Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
- Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
- Keep about 2 feet around the outdoor unit clear of leaves, grass and debris.
- If you see ice on the pipes or the indoor coil, turn the system off and run only the fan for a few hours, then call a technician.
- Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.
Call (647) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Carrier error code 1 long mean?
The amber STATUS LED gives one 2-second flash followed by a longer 1-second off pause. On the Infinity 25VNA8/24VNA9 communicating system this shows variable capacity is being limited (speed cutback). It is an operating state rather than a fault.
Applies to: Carrier Infinity 25VNA8/24VNA9 variable speed units
Carrier models that use code 1 long
24VNA924VNA91324VNA92424VNA92524VNA93624VNA93724VNA94824VNA94924VNA960
Other Carrier AC codes
All Carrier Air Conditioner error codes →
Carrier code 1 long: homeowner questions
What does Carrier code 1 long mean?
Capacity limited - one long flash. The amber STATUS LED gives one 2-second flash followed by a longer 1-second off pause. On the Infinity 25VNA8/24VNA9 communicating system this shows variable capacity is being limited (speed cutback). It is an operating state rather than…
Is it safe to keep using my air conditioner with code 1 long?
Usually yes. Code 1 long is normally minor, but if it keeps coming back have it checked.
Can I reset Carrier code 1 long myself?
You can try one reset (power off for 30 seconds, then on). If Carrier code 1 long comes back, the cause is still there and a licensed technician should check it.
Who can fix Carrier code 1 long near me?
Aurora Star Tech Inc. repairs Carrier air conditioners in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.
Homeowner help: AC Running But Not Cooling: What to Check
Troubleshooting guides
- Not cooling All brands · Air Conditioner
- Amber STATUS or green COMM light not on Carrier · Air Conditioner
- Compressor will not run - winding and electrical checks - Carrier split systems Carrier · Air Conditioner
- Delay before the compressor restarts Carrier · Air Conditioner
- Hissing from the outdoor unit after it shuts off Carrier · Air Conditioner
- Outdoor unit unresponsive after several faults Carrier · Air Conditioner
- Recall the active status code on the outdoor board (25VNA8/24VNA9) Carrier · Air Conditioner
- Refrigerant charging mode on Infinity control (25VNA8/24VNA9) Carrier · Air Conditioner
- Superheat too high or too low on TXV system - Carrier split systems Carrier · Air Conditioner
- Two-stage unit not changing stages - Carrier 24ANB/25HNB/25HCB6 Carrier · Air Conditioner
Source: Carrier 25VNA8/24VNA9 service manual, Table 6, p.15. 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.