Festo SFC-DC series, Manual

Page: 135 / 202

6. Diagnosis and error treatment
6−7
Festo P.BE−SFC−DC−IO−EN en 0801a
Faults If there is a fault, the drive will be stopped. The fault LED
flashes, the ERROR output is reset (
>
0).
·
Eliminate the cause of the fault.
·
Acknowledge the fault message.
on the control panel with <Enter>,
via I/Os with a falling edge (see section 5.6.2),
via I/Os with a falling edge of the ENABLE signal
(the axis can move once the enable is switched off!),
with the button Acknowledge fault" in the Festo
Configuration Tool.
Fault Possible cause
DIGITAL−POWER−DOWN Voltage monitoring.
Possible causes:
Digital voltage supply too low.
Voltage dip under load.
·
Check the voltage supply.
Power unit too weak?
Supply line too long?
HARDWARE ERROR Device fault e.g. EEPROM defective.
·
In this case please contact your Festo Service.
HOMING ERROR Fault during the reference run.
Possible causes:
Reference switch defective
·
If necessary, check the function of the reference switch.
·
If necessary, check the software end positions.
·
It is essential that you repeat the reference run.
I2t−ERROR Current monitoring i
2
t.
Possible causes:
The drive is blocked.
·
Check the mechanical parts of the drive.