A C Intelligent Function Module Dedicated Instruction Is Not Executed; A C Intelligent Function Module Cannot Be Used In A Redundant System - Mitsubishi Electric MELSEC iQ-R Series User Manual

A C intelligent function module dedicated instruction is not
executed
Check the following item.
Check item
Is the dedicated instruction executed again before the completion of the
dedicated function being processed?
A C intelligent function module cannot be used in a redundant
system
Check the following item.
Check item
Is an error code (2241H) detected in a CPU module?
Corrective action
After the completion of the dedicated function being processed, execute the
dedicated instruction again.
Corrective action
• Use a C intelligent function module with firmware version that supports a
redundant system. (Page 114 Added and Changed Functions)
• Check if the SD memory card boot function is not used. The function cannot
be used in a redundant system. (Page 109 Functions)
• Check if the self-diagnostic function is not used. For an RD55UP06-V with a
serial number of which the first two digits are '11' or lower or an RD55UP12-
V with a serial number of which the first two digits are '04' or lower, the
function cannot be used even after updating the modules to firmware
version that supports a redundant system by using the firmware update
function. (Page 109 Functions)
3.5 Troubleshooting by Symptom
3 TROUBLESHOOTING
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