Invalid Command

What does xxxx 0001 mean?

An invalid or unrecognized command was received over the FSoE connection. This indicates a potential communication protocol mismatch or a corrupted command transmission. Unresolved, this can prevent proper safety control and lead to system downtime or an unsafe state.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Inspect the communication wiring (Ethernet cable, connectors) for damage or interference causing data corruption.

2. 4

   Temporarily monitor FSoE communication traffic with a network analyzer to identify the source of the invalid command.