Yaskawa MP920 User's Manual Design - Manual (Page 492)

12 Troubleshooting
12.1.1 Troubleshooting Methods
12-2
12.1 Overview of Troubleshooting
This section shows the basic troubleshooting flow and provides a list of errors.
12.1.1 Troubleshooting Methods
There are three checks available for checking the system when an errors occurs. They are
checks by symptoms, error codes, and monitor functions of peripheral devices. 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 Module 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
implement corrections. Errors are classified into two groups.
„ Checking by Monitor Functions of Peripheral Devices
Here, the monitor functions of peripheral devices 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
• Traces
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