Blueridge / Blueridge XS2 Core
Blueridge ECC1 error code
ECC1 is used on multi-zone systems when another indoor unit refrigerant sensor detects leakage. The alarm may show on one zone even though the leak alarm originates at a different indoor unit.
- Urgency
- stop use
- Verified
- Jul 31, 2026
- Fix path
- Technician
What it means
ECC1 is used on multi-zone systems when another indoor unit refrigerant sensor detects leakage. The alarm may show on one zone even though the leak alarm originates at a different indoor unit.
Urgency
Likely causes
- Refrigerant leak detected at another indoor unit
- Another zone refrigerant sensor has alarmed
- Leak at multi-zone refrigerant piping or joints
- Shared outdoor system responding to another indoor alarm
Homeowner fix
Turn the system off if safe and ventilate rooms served by the connected indoor units. Do not open any indoor unit or restart the system repeatedly.
When to call a pro
Call a licensed HVAC technician promptly and mention that ECC1 refers to another indoor unit refrigerant sensor detecting leakage.
This code points to refrigerant or sealed-system work - get repair quotes from contractors in your area.
Get repair quotesRepair vs replace
A multi-zone leak is usually repairable once located. Replacement is considered only for older systems with inaccessible leaks or repeated major failures.
See Blueridge mini-splitsYour Blueridge model
Blueridge XS2 Core model pages in the Blueridge catalog help compare this repair path with current replacement options.
- Blueridge XS2 Core 9,000 BTU R-454B 115V (BXS2A09WMV / BXS2A09SCV)
Blueridge XS2 Core
- Blueridge XS2 Core 9,000 BTU R-454B 208/230V (BXS2A09WM0 / BXS2A09SC0)
Blueridge XS2 Core
- Blueridge XS2 Core 12,000 BTU R-454B 115V (BXS2A12WMV / BXS2A12SCV)
Blueridge XS2 Core
- Blueridge XS2 Core 12,000 BTU R-454B 208/230V (BXS2A12WM0 / BXS2A12SC0)
Blueridge XS2 Core
For your technician
Technician note: identify the alarming indoor unit, follow R-454B leak-response procedures, inspect branch piping and flare joints, verify all refrigerant sensors, repair and recharge as required. Page context: Blueridge maps this display to the Blueridge XS2 Core line; source: manufacturer documentation; display convention: match the letter E, letter C, letter C, and one marker exactly before comparing neighboring codes.
Which systems show it
Blueridge XS2 Core
Related troubleshooting
Use the symptom guide alongside the exact display code if the unit is flashing, cycling, or showing comfort symptoms.
Related codes
Source
- Document
- Source document not identified in import data