Festo Контроллер двигателя SEC-ST - Manual (Page 27)

1. System summary
1−5
Festo SEC−ST−48−6−P01−EN en 0606c
1.5 Displays
1.5.1 Ready−to−operate display
The blue ready−to−operate LED (Power) on the front of the
SEC−ST indicates the readiness to operate.
1.5.2 Fault display
A fault is shown by a red LED Error".