Mitsubishi Electric C70 Setup Manual page 569

MITSUBISHI CNC
Appendix 2 Explanation of Alarms
The Flow when the "Y02 SYSTEM ALARM 0051 x006" occurs.
Y02 0051 0006
Rotary switch settings
overlapped?
no
yes
Drive unit's rotary switch
setting is too big?
no
yes
Is the connector
coming loose?
no
yes
Is the cable broken?
no
Does noise occur?
no
Contact your Service Center.
(Note) Examples of measures.
- Check the grounding wire.
- Separate the heavy electrical cable and light electrical cable
- Add a ferrite core
552
yes
yes
Provide measures against
noise. (Note)
Turn the drive unit and NC
power ON again.
Is the error removed?
no
yes
no
Connect the connector properly.
Turn the drive unit and NC
power ON again.
Is the error removed?
no
yes
Exchange the cable.
Turn the drive unit and NC
power ON again.
Is the error removed?
no
yes
Set rotary switches so as
not to be overlapped.
Turn the drive unit and NC
power ON again.
Is the error removed?
no
yes
Set rotary switches within
the number of connecting axes.
Turn the drive unit and NC
power ON again.
Is the error removed?
yes
Completed