Abnormal outdoor LED display - Error mode

What does Abnormal display mean?

If the outdoor unit LEDs show a pattern other than the normal operating state, or if they are all off, it indicates an abnormal condition or an error mode.

• Incorrect wiring of F1, F2 wires
• Faulty outdoor unit main board (PBA)
• System fault

Click steps to track your progress.

1. 1

   Check the indoor unit display for a specific error code.

2. 2

   Turn off the air conditioner at the main power for 5 minutes, then turn it back on.

3. 3

   Verify all outdoor unit cables are correctly and securely connected.

4. 4

   If the abnormal display persists, contact a service technician for inspection.