Huawei B315 Quick Start Manual page 17

Power adapter safety
The device should be installed close to a mains power supply.

Unplug the power adapter from electrical outlets and the device, when not in use.

Do not drop or cause an impact to the power adapter.

If the power cable is damaged (for example, the cord is exposed or broken), or the

plug loosens, stop using it at once. Cont inued use may lead to electric shocks, short
circuits, or fire.
Do not touch the power cord with wet hands or pull the power cord to disconnect

the power adapter.
Do not touch the device or the power adapter with wet hands. Doing so may lead to

short circuits, malfunct ions, or electric shocks.
Do not expose the power adapter to water, other liquids, or excessive humidity

Ensure that the power adapter meets the requirements of Clause 2.5 in IEC60950-

1/EN60950-1/UL60950-1 and has been tested and approved according to nat ional or
local standards.
Cleaning and maintenance
During storage, transportat ion, and operat ion of the device, keep it dry and protect

it from collision.
Keep the device and accessories dry. Do not attempt to dry it with an external heat

source, such as a microwave oven or hair dryer.
Do not expose your device or accessories to extreme heat or cold. These

environments may cause the device to malfunct ion and may lead to a fire or
explosion.
Avoid collision, which may lead to device malfunct ions, overheat ing, fire, or

explosion.
If the device is not going to be used for an extended period of t ime, power it off, and

disconnect all cables connected to it.
If anything unusual occurs (for example, if the device emits smoke or any unusual

sound or smell), immediately power it off, disconnect all cables connected to it, and
contact an authorized service center.
Do not trample, pull, or excessively bend any cable. Doing so may damage the cable,

causing the device to malfunct ion.
Before you clean or maintain the device, power it off, and disconnect all cables

connected to it.
Do not use any chemical detergent, powder, or other chemical agents (such as

alcohol and benzene) to clean the device or accessories. These substances may cause
damage to parts or present a fire hazard. Use a clean, soft, and dry cloth to clean the
device and accessories.
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