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[STARTING AND MAINTENANCE PRECAUTIONS]
!
CAUTION
• Do not disassemble or modify the modules.
Doing so could cause failure, malfunction injury or fire.
• Switch all phases of the external power supply off when mounting or removing the module.
Not doing so may cause failure or malfunction of the module.
The system that uses the QnPHCPU allows you to change a module online. Note that there are
restrictions on the modules that can be changed online and each module has a predetermined
changing procedure. For details, refer to the chapter of online module change in this manual.
• Do not touch the connector while the power is on.
Doing so may cause malfunction.
• Switch all phases of the external power supply off when cleaning or retightening the terminal
screws and module installation screws.
Not doing so may cause failure or malfunction of the module.
If the screws are loose, it may cause the module to fallout, short circuits, or malfunction.
If the screws are tightened too much, it may cause damages to the screws and/or the module,
resulting in the module falling out, short circuits or malfunction.
•
Always make sure to touch the grounded metal to discharge the electricity charged in the body,
etc., before touching the module.
Failure to do so may cause a failure or malfunctions of the module.
[DISPOSAL PRECAUTIONS]
!
CAUTION
• When disposing of this product, treat it as industrial waste.
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