Chapter 3 Troubleshooting; Checking Method For Error Descriptions; Error Type - Mitsubishi Electric MELSEC iQ-R Series User Manual

3
TROUBLESHOOTING
This chapter explains the errors which may occur when using an C intelligent function module and the troubleshooting.
3.1

Checking Method for Error Descriptions

The following are the methods to check error descriptions.
Checking method
System monitor of an engineering tool
Buffer memory
Check with a C intelligent function module dedicated
function
• If multiple errors occur at the same time, take corrective action for the errors in chronological order.
• If a user program is incorrect, the accurate error code may not be output. If the error is not cleared even
after taking corrective action, review the user program.
3.2

Error Type

There are two types of errors of a C intelligent function module as follows:
Error Type
Module minor error
Module major error or
moderate error
3 TROUBLESHOOTING
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3.1 Checking Method for Error Descriptions
Description
Error codes can be checked by the system monitor of an engineering tool.
Error codes can be checked in the following buffer memory.
Page 94 Current error area (Un\G140 to 147)
Page 95 Error log area (Un\G150 to 311)
Error codes can be checked with the C intelligent function module dedicated function
(CITL_GetErrInfo).
Lighting Module Status
status of
ERR LED
ON Input signal (X) and buffer memory output continues.
Flashing Input signal (X) and buffer memory output stops.
Corrective action
After taking corrective actions according to the error
code content, turn the ERR LED OFF by any of the
following operations.
• Turning ON the error clear request (YF)
• Cleaning error from an engineering tool
• Clearing error with C intelligent function module
dedicated function (CITL_ClearError)
• Resetting the CPU module, or turning the power
OFF and ON