J3 - Malfunction of pressure sensor (Outdoor Unit)

What does J3 mean?

A pressure sensor in the outdoor unit is not functioning correctly, potentially affecting system performance.

• Faulty pressure sensor
• Wiring issue to the sensor
• System over or under pressure

Click steps to track your progress.

1. 1

   Turn off the unit's power supply.

2. 2

   Wait for 60 seconds, then restore power.

3. 3

   If the error code reappears, a technician should inspect the pressure sensor and system.

4. 4

   Ensure that the unit's air intakes are clear.