Safety Functions; Troubleshooting - BE QUIET! NB-S-90 Mode D'emploi

SAfety fUnctIonS

The be quiet! notebook power supply adapters are equipped with numerous safety functions.
These should protect the power adapter and the laptops connected to it against damages. If
any of these safeguards are triggered then the power adapter will switch off!
In such an event remove the be quiet! Notebook Power Adapter immediately from the power
mains and the laptop and check for obvious sources of the problem.
The be quiet! Notebook Power Adapter possesses the following safety functions:
•
OCP (Over current protection)
•
UVP (Undervoltage protection)
•
OVP (Overvoltage protection)
•
SCP (Short circuit safeguard)
•
OTP (Temperature safeguard)
•
OPP (overload protection)

troUBleShootIng

caution:
Any work with power sources involves real danger of fatal injuries. If you observe smoke
trails, a damaged cable or casing or the effects of fluids, then immediately unplug the be
quiet! Notebook Power Adapter from the power mains and do no restart it.
Do not ever open the be quiet! Notebook Power Adapter. Doing so runs the risk of grievous
bodily injury.
Please have any and all necessary repairs conducted by an authorized expert!
Opening the device will void your warranty!
If the laptop running with a connected be quiet! Notebook Power Adapter does not function
properly, please first check the following potential sources of error:
•
Make sure the electrical cable is plugged into both the socket and the power adapter
correctly and tightly. Under ideal conditions a separate electrical outlet will be available
just for the power adapter.
•
Check to make sure that all connections are properly connected to each other and correct
any problems, such as an improperly configured polarity.
•
Should the power adapter refuse to switch back on following the triggering of one of
the safeguard mechanisms, please wait at least 5 minutes before attempting switch-on
again.
Important note:
Should the power adapter not work, please ensure that you have thoroughly read this
instruction manual and can preclude the problem causes listed here. If the problems
persist, please contact our customer service department immediately.
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(BQT NB-S-90 only)