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6-6 Checking the Malfunction Log
Touch the [Unit error] in the sub menu under [Log] on the main operation screen to see the unit error history (latest 64 events). Touch
[Communication error] in the sub menu to see the M-NET transmission error history (latest 64 events).
• Checking the malfunction log in the system to which an Expansion controller (PAC-YG50ECA) is connected.
An EC tab for each Expansion controller will appear in the tab area. The maximum of 128 errors (64 unit errors and 64 communication
errors) can be displayed for each Expansion controller.
Item Description
1Unit error log Touch [Unit Error] to display the unit error log.
2Communication error log Touch [Communication Error] to display the M-NET communication error log.
3Time Occurred The date and time of when the error occurred is displayed.
4Error source address The unit address of where the error occurred is displayed.
5Error detection source address The unit address of where the error was detected is displayed.
6Time Recovered The date and time of the error recovery is displayed.
7Error code The error code of the error is displayed.
8Clear log Touch [Clear Log] to clear the error log that is being displayed.