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APPX
Appendix 3 Troubleshooting by Symptom
When an error has occurred in a safety function module
When the READY LED turns off
When the READY LED of the safety function module turns off, check the following.
If the READY LED of the safety function module still does not turn on even after the above actions are taken, the possible
cause is a hardware failure of the module. Please consult your local Mitsubishi representative.
When the specific extension base unit cannot be recognized
For troubleshooting, refer to the following:
MELSEC iQ-R Module Configuration Manual
When the specific Q series extension base unit cannot be
recognized
For troubleshooting, refer to the following:
MELSEC iQ-R Module Configuration Manual
Check item
Action
Check if the safety function module has been properly mounted.
If not, properly mount the module on the base unit.
Check if the system was powered on immediately after power-off.
Wait for five seconds or longer after power-off and power on the system again.
Summary of Contents for MELSEC iQ-R-R00CPU
Page 2: ......
Page 151: ...9 MONITOR FUNCTION 9 1 Real Time Monitor Function 149 9 MEMO ...
Page 323: ...18 SEQUENCE SCAN SYNCHRONIZATION SAMPLING FUNCTION 321 18 MEMO ...
Page 330: ...328 20 ROUTING SETTING 20 3 Precautions MEMO ...
Page 423: ...26 BASIC CONCEPT 26 8 State Transition of the Redundant System 421 26 MEMO ...
Page 1014: ...1012 APPX Appendix 15 Added and Enhanced Functions MEMO ...
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