Yaskawa MP940 - Manual (Page 365)

Troubleshooting
9.3.2 Processing Flow When a Motion Error Occurs
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9.3.2 Processing Flow When a Motion Error Occurs
„ Troubleshooting Flow
The following illustration shows the troubleshooting flow when a motion error occurs.
„ Motion Alarm Configuration
The following illustration shows the motion alarm configuration stored in the alarm output
register.
START
NO
YES
≠ 0
へ
＝ 0
NO
YES
All LEDs on the MC Mod-
ule as well as ERR LED
lit?
Yes
System error
SERVOPACK
indicator =A9F
System error
No
Motion control
ladder used?
No
Yes
Error details determined using
error SW00041 in the MP940
Module.
Refer to 9.2.2 Process-
ing Flow When a Sys-
tem Error Occurs.
H01 Screen display
• Axis alarm has occurred.
• Group alarm has occurred.
Alarm occurred? No alarm
Axis alarm occurred?
Yes
NO
Alarm output
register = 0
Motion program
alarm
Axis alarm present
(ILxx22 = 0)?
NO
YES
No alarm
Display alarm output register contents.
(Display HEX (H) on the register list.)
Axis alarm
Display monitor param-
eter: Alarm (ILxx22).
Determine the
cause from the
alarm code.
See the List of Alarm Codes.
Determine the cause from
alarm bits.
bit 15 bit 12 bit 8 bit 7 bit 0
Information on the axis
where the alarm
occurred (1 to 14)
Axis alarm
Alarm code