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15.2 List of Error Codes
The areas that errors occurred can be identified according to the range of error codes. When the error
code is in the range of 0001H to 0FFFH, it indicates that the error occurred in the AMP. When the error
code is one from 1000H, it indicates that the error occurred in the positioning unit.
The recovery method for each error code varies according to the state when each error occurred.
In the list of error codes, the recoverable state is indicated with "A", and the unrecoverable state is
indicated with "N/A".
Although this unit outputs an alarm to be output from the AMP as an error code, note that the notation
method is different from that of the error codes for the AMP.
15.2.1 AMP Errors (From 0001H)
Alarms/errors occurred on the AMP side are output from the positioning unit RTEX as error codes.
Error codes output from this unit are hexadecimal, however, error codes output from the AMP are
decimal Also, the AMP errors differ depending on the types of AMP. For details of the processing for
AMP errors, refer to the manuals 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 [For A6N/A5N]
An AMP error is divided into a main code and sub code.
As for a four-digit error code of this unit, the main code is the lower two digits and the sub code is the
higher two digits.
For error codes on the AMP, hexadecimal codes of this unit are converted to decimal codes.
Example) When the encoder communication error protection occurred;
Error code of this unit: 01 15 H
↓
Main code: 15 H, Sub code: 01 H
↓
Converts hexadecimal codes to decimal codes
Error code of the AMP
Main code: 21, Sub code: 1
How to read AMP error codes [For A4N]
For AMP errors, hexadecimal error codes of this unit are converted to decimal codes.
Example) When an overload protection occurred;
Error code of this unit: 0010 H
↓
Converts hexadecimal codes to decimal codes.
Error code of the AMP: 16
15-4
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