Festo Контроллер двигателя SEC-ST - Manual (Page 62)

5. Diagnosis and error treatment
5−4
Festo SEC−ST−48−6−P01−EN en 0606c
5.2 Fault functions of the SEC−ST
Fault Cause Possibilities
Power LED does not light up No supply voltage Ĉ Check supply cable
Ĉ Check power unit
Fault LED lights up red Short circuit at motor output Ĉ Check motor
Ĉ Check motor cable
Final stage overheated Ĉ Winding resistor of motor too
small
Ĉ Motor defective, check
Ĉ Check fitting of controller
Motor does not move, power
LED lights up blue red fault LED Dip switch 8 off Ĉ Dip switch 8 on
LED lights up blue, red fault LED
is out
Motor cable defective Ĉ Check motor cable
Brake not activated Ĉ Open brake by applying
24ĂV DC
Motor loses steps Frequency too high Ĉ Check characteristic curve of
motor, check which torque
can be given
Motor cannot give torque
required Ĉ Reduce frequency
(controller)
Fig. 5/1: