Chapter 9 Troubleshooting; Troubleshooting Procedure - Mitsubishi Electric MELSEC Q Series User Manual

9
TROUBLESHOOTING

CHAPTER 9 TROUBLESHOOTING

This chapter describes how to troubleshoot the EtherNet/IP module and error codes.
9.1

Troubleshooting Procedure

This section describes troubleshooting procedure.
The following shows troubleshooting procedure in a flowchart.
(1) Before troubleshooting
(2) Troubleshooting Procedure
Check box
EtherNet/IP module on?
Is the ERR. LED of the
EtherNet/IP module off?
Was Tag communication done?
(Check the communication status in the "Main"
tab of the utility package.)
9
- 1 9.1 Troubleshooting Procedure
Confirm that there is no error in the CPU module.
If any error is identified in the CPU module, check the detail and take corrective
actions. ( Manual for the CPU module used)
Start
Is the RUN LED of the
ON
OFF
Yes
End
Figure 9.1 Troubleshooting procedure
OFF
Section 9.2 Checking Errors by the LED and
Corrective Actions
On or
flashing Section 9.3.1 When the ERR.LED is on or
flashing
No
Section 9.3 When Tag Communication is
Disabled