Reading this chapter (troubleshooting procedures) – Yaskawa MP930 User Manual

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Troubleshooting

9 -2

Reading this Chapter (Troubleshooting Procedures)

This section describes three checks available for checking the system when an errors occurs. They
are checks by symptoms, error codes, and monitor functions of peripheral equipment. Checking
procedures are categorized by status conditions to help determine the cause quickly.

Checking by Symptoms

Here, factors like indicators on the front of the Unit and the control status of all devices are
visually checked to determine a cause and implement corrections.

Checking by Error Codes

Here, error codes generated when errors occur are monitored to determine a cause and imple-
ment corrections. Errors are classified into two groups.

Classification

Type of Error Code

Sequence Control Error Code

Starting from system register (S register) SW00040

Motion Control Error Code

Motion program error code

Servo error by axis

Checking by Monitor Functions of Peripheral Equipment

Here, the monitor functions of peripheral equipment are used to determine the control status
and to find the cause of errors. The status of the following functions can be checked.

Program monitoring

Position monitoring

Error monitoring

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