Troubleshooting Using The Engineering Tool; System Monitor; Module Diagnostics - Mitsubishi Electric MELSEC iQ-R Series User Manual

33.2

Troubleshooting Using the Engineering Tool

Check the error or history using the engineering tool, and identify the error cause. More detailed information on the error as
well as the error cause and action to be taken can be checked by using the engineering tool.
The engineering tool has the following functions for troubleshooting.
Function

System monitor

Module diagnostics

Event history
For details on each function, refer to the following.
 GX Works3 Operating Manual
System monitor
This function displays the module configuration, and detailed information and error status of each module.
For the error module identified, the module diagnostics function can be executed from this window.
[Diagnostics]  [System Monitor]
In a redundant system, systems A and B are both displayed on the main base information part (on the left side
of the window). The display of system A and system B can be switched in the main base information.
Module diagnostics
This function diagnoses the module. (The current error and its details can be checked.)
Information required for troubleshooting, such as the current error, details and cause of the error, and action to be taken, are
displayed. The incorrect parameter setting and program error location can also be identified by selecting the error and clicking
the [Error Jump] button.
On the [Module Information List] tab, the LED status and the switch status of the target module can be checked.
[Diagnostics]  [System Monitor]  Double-click the error module.
In a multiple CPU system, when the I/O assignment setting in a system parameter differs from the
configuration of the modules actually mounted, correct information may not be displayed on "Module
Information List".
33 TROUBLESHOOTING PROCEDURE
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33.2 Troubleshooting Using the Engineering Tool
Description
Displays the module configuration, and detailed information and error status of each module. ( Page 534 System
monitor)
Diagnoses the module. (The current error and its details can be checked.) ( Page 534 Module diagnostics)
Displays the event information collected by the CPU module, such as errors occurred in each module, executed
operations, and network errors. ( Page 535 Event history)