E4 - Receiving Error (PAR W21)

¿Qué significa E4 ?

This error signifies a receiving error within the PAR W21 system, likely due to incorrect refrigerant address settings on the Ecodan.

• Incorrect refrigerant address setting on SW1
• Communication issues within the Ecodan system
• Faulty Ecodan controller

Haga clic en los pasos para seguir su progreso.

1. 1

   Verify the refrigerant address setting on SW1 of the Ecodan.

2. 2

   Check communication wiring integrity.

3. 3

   Restart the Ecodan system.

4. 4

   Refer to the Ecodan documentation for troubleshooting steps.