14 TROUBLESHOOTING
14.3 Error and Warning Details
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Error code classification
Error storage
When an error occurs, the error detection signal turns ON, and the error code corresponding to the error details is stored in
"[Md.23] Axis error No.". Note that there is a delay of up to operation cycle after the error detection signal turns ON until the
error code is stored.
When an alarm occurs on servo amplifier, the alarm No. displayed in LED of servo amplifier is stored in "[Md.114] Servo
alarm". Check the error details and remedies with "[Md.114] Servo alarm".
*1 A new error code is stored in "[Md.23] Axis error No." every time an error occurs.
When any error that is independent of an axis is detected, it is stored in the axis error No. of axis 1.
(These errors are stored in the axis error No. of axis 1 for the system which does not use the axis 1.)
For the synchronous encoder axis, "b4: Error detection flag" of "[Md.325] Synchronous encoder axis status" for target axis
turns ON, and the input axis error number is stored in "[Md.326] Synchronous encoder axis error No.".
Item Error code Classification of errors
Minor errors 1860H to 18BFH Dedicated instruction errors
18C0H to 18FFH Inter-module synchronization errors
1900H to 193FH Positioning control common errors
1940H to 197FH Home position return errors
1980H to 198FH JOG, inching and manual pulse generator operation errors
1990H to 19EFH Positioning operation errors
19F0H to 19FFH Block start data errors
1A00H to 1A0FH Condition data errors
1A10H to 1A5FH Positioning data errors
1A60H to 1A9FH Basic parameter errors
1AA0H to 1AFFH Detailed parameter errors
1B00H to 1B3FH Home position return parameter errors
1B40H to 1B9FH Expansion/Common parameter errors
1BA0H to 1BDFH Synchronous control input axis errors
1BE0H to 1C3FH Synchronous control output axis errors
1C80H to 1CBFH Errors for servo amplifier, amplifier manufactured by other companies, and head module
Moderate errors 3000H to 30FFH Initial process errors
Axis No. Error detection signal Error code Servo alarm
1 [Md.31] Status: b13 [Md.23] Axis error No.
*1
[Md.114] Servo alarm
2
3
4
5
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