U5 - Malfunction of transmission between indoor unit and remote controller (Indoor Unit)

Was bedeutet U5 ?

Communication between the indoor unit and its remote controller has failed.

• Faulty remote controller
• Wiring issue between unit and controller
• Interference

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Turn off the power to the indoor unit.

2. 2

   Check the connection between the indoor unit and the remote controller.

3. 3

   If using a wireless remote, check batteries and ensure it's within range.

4. 4

   Restore power and test.

5. 5

   If the error continues, consult a technician.