Power System Maintenance; Built-In Parts Maintenance - NEC A Series User Manual

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6.3 Power System Maintenance

Caution!
Risk of electric shock.
 Do not use the LED Poster if you detect any faults in the power supply.
 Do not hot plug the system, i.e. do not unplug or plug in a component without
disconnecting the power from the system.
 Only qualified personnel with an electrician certificate are allowed to perform
maintenance work.
Daily
Check on power supply system.
Monthly
Clean the interior of the power distribution cabinet and fasten screw connections.

6.4 Built-In Parts Maintenance

WARNING!
Risk of electric shock or fire due to high-voltage components.
 Do not open the cabinet because of the high-voltage components inside. There
are no user-serviceable parts are inside.
 Only qualified service personnel are allowed to service and open the unit.
Contact qualified service personnel by any problems with Built-in Parts.
Notice
The integrated Service port may only be used by expert Service personnel.
Do not push this button except for service.
© NEC Corporation 2019
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