LCD Flashes continuously or Off and Outdoor Red LED Flashes Twice — Indoor/outdoor wiring error

What does LCD Flashes continuously or Off / Outdoor Red LED Flashes Twice mean?

The LCD display on the remote controller continuously flashes or is off, and the outdoor unit's red LED flashes twice. This indicates an open circuit or poor connection in the interconnecting wiring between the indoor and outdoor units.

• Open circuit in indoor/outdoor interconnecting wiring
• Poor connection in indoor/outdoor interconnecting wiring

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power supply and wait 30 seconds before turning it back on.

2. 2

   Check all visible indoor and outdoor unit interconnecting wires for secure connections.

3. 3

   Look for any signs of damage or wear on the wiring insulation.

4. 4

   If unable to identify or resolve the issue, contact a professional service technician.