CCr

What does 071 mean?

A system failure has occurred due to strong interference injection on the control cables. This can be caused by inadequate shielding or ground/earth loops in the wiring, leading to unstable operation.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Check the PE (Protective Earth) connection.

2. 4

   After addressing the cause, de-energize the device completely by disconnecting the 24V supply and discharging the DC bus.