A7 - 2 red flashes, 5 green flashes — No ACK signal

What does A7 mean?

This error means the system is not receiving an acknowledgment (ACK) signal. This could be due to wiring issues, transmission range exceeded, or a faulty converter.

• No ACK signal received
• Faulty A-M-Net wiring
• Transmission wiring range exceeded
• Faulty A-M-Net converter

Click steps to track your progress.

1. 1

   Check the A-M-Net wiring for secure connections and damage.

2. 2

   Ensure the transmission wiring length is within the specified limits.

3. 3

   Inspect the A-M-Net converter for any faults.

4. 4

   Reset the system.