Fromm FS 250 - AL 3 INVERTER FAULT IN FS 250 - FS 270; AI 4 TRANSPALLET; Horse shoe turntable

FROMM CH12-TI-FS250.EN10
AL 3 INVERTER FAULT IN FS 250 – FS 270
The arrised problem Possible remidies
- This alarm signals the blocking of an inverter - Turn off the machine. Wait 20 seconds
and turn it on again.
If the problem persists:
- Check the situation on the display of the
inverter referring to the inverter
instruction manual that is enclosed with
the machine documentation
- Check for the presence of mechanical
motor locks, if any, and proceed as
required
- Inverter gives the alarm “OL1” - Change parameter N32 to 2,77
If the alarm persist
- Increase the value of N31 for example
from 18 to 22 (Minumum frequency)
If the alarm persist
- if the cycle is longer than 8 minutes.
Increase value N34 from 8 to 12
- Pré stretch not working after building in option
package 16.8242
- Check the connection of the wires
- Place the inverter manualy on PNP
- Check the output on J3 analogue value
Wire A3 = 10 Volts
- Parameter T5 = Pré stretch = 1
After changing the parameter switch OFF
and ON the machine.
- Inverter not working properly - Replace the inverter
Al 4 TRANSPALLET / Horse shoe turntable
The arrised problem Possible remidies
- Phonic wheel sensor incorrectly positioned - Check for the correct positioning of the
sensor as compared to the phonic wheel
The distance should not be more than 2mm
- Check for the correct connection of the
sensor by means of the associated
connector
- Sensor not connected properly - Replace the sensor
ALARMS AND ERRORS