Festo Контроллер двигателя SEC-ST - Manual (Page 61)

5. Diagnosis and error treatment
5−3
Festo SEC−ST−48−6−P01−EN en 0606c
5.1 Fault messages of the SEC−ST
The SEC−ST possesses a red LED which indicates a fault.
LED Error lights up red when:
ć there is excess temperature:
The final stage is overheated and is switched off.
ć there is a short circuit:
There is a short circuit between the motor strings or
against GND.