Troubleshooting
15-6
15.3 Error Code Table
15.3.1 AMP Errors (From 00FF 0000H)
• Alarms/errors occurred on the AMP side are output from FP7 MC Unit as error codes.
• The AMP errors differ depending on the types of AMP. For details of the processing for AMP
errors, refer to the manual of servo amplifiers.
• When an AMP error occurs, the servomotor automatically becomes free. Execute the servo
on request again after clearing the error.
How to read AMP error codes
• An AMP error is divided into a main code and sub code.
• The error codes stored in the error annunciation area of FP7 MC Unit are hexadecimal 4-
digit codes. The main codes (decimal) of AMP errors are converted to hexadecimal and
stored. The error codes equivalent to sub codes are not stored.
Example) For encoder communication errors
FP7 MC
error code
Description
Main Sub
0015H
21 0 Encoder communication disconnect error protection
21 1 Encoder communication error protection
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