Pfaff 3588-05/020, Instruction Manual, Page: 162 / 190

Control unit
162
14
.02.05
Errors – Stepping motor drive
If problems occur with the stepping motor drive during the operation, an error might have
occurred in the stepping motor controller.
The error message is indicated by LEDs on the stepping motor controller.
LED Meaning
01 ROT. ERROR goes out when
- the motor blocks
- the stepping motor amplifi er is not ready
- the Enable input is not activated
- a breakage has occurred in the supply and/or blocking detection
line
06 READY is lit up when
- the amplifi er is driven correctly
- the supplied voltage is in the rated range
07 FAULT
lights up if a short-circuit occurs between two motor phases
08 TEMP
lights up if the temperature at the cooling device is too high (> 75ºC)
09 OVER-VOLT
lights up if there is an over-voltage (> 400 V) during braking
10 LOW-VOLT
lights up if there is a low voltage (< 200 V)
09 + 10
are lit if the Enable input is not activated