Troubleshooting; Basic Flow Of Troubleshooting - YASKAWA MP210 Series User Manual

6 Maintenance, Inspection, and Troubleshooting

6.3.1 Basic Flow of Troubleshooting

6.3 Troubleshooting

This section explains the basic troubleshooting procedure and provides a list of errors.
6.3.1 Basic Flow of Troubleshooting
When problems occur, it is important to quickly find the cause of the problems and get the system running again
as soon as possible. The basic flow of troubleshooting is explained below.
6-6
Step 1 Visually confirm the following items.
• Machine movement (or status if stopped)
• Presence/absence of power
• I/O device status
• Wiring status
• Indicator status (LED indicators on each Module)
• Switch settings (e.g., DIP switches)
• Parameter settings and program contents
Monitor the system to see if the problem changes
Step 2
for the following operations.
• Switching the Controller to STOP status
• Resetting alarms
• Turning the power supply OFF and ON
Determine the location of the cause from the re-
Step 3
sults of steps 1 and 2.
• Controller or external?
• Sequence control or motion control?
• Software or hardware?