Chapter 11 Troubleshooting; Before Troubleshooting; Troubleshooting Procedure - Mitsubishi MELSEC L Series User Manual

CHAPTER 11
This chapter describes the causes and corrective actions to take when a problem occurs in the L60TC4.
11.1

Before Troubleshooting

Check whether any of the following LEDs are on.
• The POWER LED on the power supply module
• The MODE LED on the CPU module or head module
If both are off, proceed with CPU module or head module troubleshooting.
MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)
MELSEC-L CC-Link IE Field Network Head Module User's Manual
11.2

Troubleshooting Procedure

This section describes how to find problem causes and take corrective action.
Use GX Works2 to find problem causes and take corrective action.
(1) Procedure
(To the next page)
308
TROUBLESHOOTING
↓
↓
1.
Connect GX Works2 to the CPU module to display
the "System Monitor" window.
[Diagnostics]
2.
After confirming that an error is displayed on the
L60TC4, select the L60TC4 and click
If an error LED is ON on a module other than the
L60TC4, refer to the user's manual for the module
and take corrective action.
[System Monitor...]
.