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Technical data / Troubleshooting
Technical data
Line voltage:
3 x 400 V AC ± 10%
Line frequency:
45 – 66 Hz
Power:
250 VA per MRA 2 motor
Max. number of driven feeders:
60 MPF units per belt per MRA 2 motor
24 MER units per belt per MRA 2 motor
Max. belt speed:
360 m/min (with 30-tooth drive pulley)
500 m/min (with 40-tooth drive pulley)
576 m/min (with 48-tooth drive pulley)
Ambient temperature (operation and storage):
0° to 50° C
Weight, GT3 console:
1.1 kg
Weight, hollow shaft encoder:
0.9 kg
Weight, control unit:
2.3 kg
Weight, MRA 2 motor with motor fl ange:
6.2 kg
Troubleshooting
Fault after installation
Possible cause
Solution
The MRA 2 motor does not run.
Does the motor shaft vibrate for approx. two seconds
when you switch on?
No. Change the MRA 2 motor or the control unit.
Before you connect or disconnect a motor cable,
you must power down the knitting machine. Wait two
minutes before unplugging the motor cable.
Yes. Set the parameters correctly.
The MRA 2 motor does not run.
Check if the MRA 2 motor has any torque. Turn the
motor shaft by hand.
!
CAUTION!
Exercise extreme caution.
No. Change the MRA 2 motor or the control unit.
Before you connect or disconnect a motor cable,
you must power down the knitting machine. Wait two
minutes before unplugging the motor cable.
Yes. Set the parameters correctly.
The yarn feed rate is too high.
The motor speed is too high.
Fit a toothed pulley with 48 teeth to the MRA 2 motor.
Fault / message during oper-
ating cycle
Possible cause
Solution
Fault message -
Insuffi cient Permission Level
You have entered an invalid password.
You have not entered a password.
Access rights are withdrawn automatically after two
minutes of inactivity.
Enter a valid password.
Fault message -
Device Status menu
Internal electronic fault
Switch the MRA 2 system off and then on again.
