Blueridge EHC2 error code

What it means

EHC2 combines two problems: the refrigerant sensor is outside its expected working condition and leakage is detected. Treat it as both a leak alarm and a sensor diagnostic.

Urgency

Likely causes

1. Refrigerant leakage detected near the indoor unit
2. Refrigerant sensor operating outside its allowed range
3. Sensor module or wiring fault
4. Leak at refrigerant piping or fittings

Homeowner fix

Turn the system off if safe, ventilate the room, and avoid using the unit until a technician checks it. Do not open panels or bypass alarms.

When to call a pro

Call a licensed HVAC technician promptly. Tell them the Blueridge manual defines EHC2 as sensor out of range with leakage detected.

Repair vs replace

Most cases need leak repair, sensor replacement, or both. Compare replacement if the leak is in an expensive coil or buried line on an older system.

• 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: follow R-454B leak mitigation, verify sensor operating conditions, inspect sensor harness/module, repair any leak, and replace only with the manufacturer-specified sensor. Page context: Blueridge maps this display to the Blueridge XS2 Core line; source: manufacturer documentation; display convention: match the letter E, letter H, letter C, and two 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

Next step