Yaskawa MP930 - Manual (Page 283)

Troubleshooting
9.3.2 Processing Flow When a Motion Error Occurs
9 -24
9.3.2 Processing Flow When a Motion Error Occurs
J Troubleshooting Flow
The following illustration shows the troubleshooting flow when a motion error occurs.
START
All LEDs on the MC unit
as well as ERR and
ALM LEDs lit?
Yes
System error
System error
Go to 9.2.2 Processing
Flow When a System
Error Occurs.
No
Motion control
ladder used?
No
Yes
Alarm occurred?
No alarm
Axis alarm
occurred?
YES
Alarm output register = 0
NO
Motion program
alarm
Display alarm output register
contents. (Display HEX (H)
on the register list.)
Determine the cause from
the alarm code.
See the List of Alarm Codes.
Axis alarm present
(ILxx22 = 0)?
Axis alarm
Display monitor parameter:
Alarm (ILxx22).
Determine the cause from
alarm bits.
No alarm
NO
YES
= 0
YES
NO
≠ 0
H01 Screen display
D Axis alarm has occurred.
D Group alarm has occurred.
J
Motion Alarm Configuration
The following illustration shows the motion alarm configuration stored in the alarm output reg-
ister.
bit 15 bit 12 bit 8 bit 7 bit 0
Information on the axis
where the alarm
occurred (1 to 14)
Alarm code
Axis alarm
9