Internal fault (memory / power stage)

What does it mean?

Internal fault in the memory or the power stage (hardware).

Common causes

• Internal hardware fault in the memory or the power stage.

How to fix it

• A hardware fault that requires a workshop inspection — send the drive to us for service.

After troubleshooting: de-energise the device completely (disconnect the 24 V supply and discharge the DC bus) before opening the covers.