Cleaning And Maintenance - Huawei B525 Manual

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, malfunctions, or electric shocks.
If your power adapter has been exposed to water, other liquids, or

excessive moisture, take it to an authorized service center for
inspection.
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 national or local standards.

Cleaning and maintenance

During storage, transportation, and operation 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 interfere with proper function and may
lead to fire or explosion.
Avoid collision, which may lead to device malfunctions, overheating,

fire, or explosion.
If the device is not going to be used for an extended period of time,

power it off, and remove all cables connected to it.
If anything unusual occurs (for example, if the device emits smoke

or any unusual sound or smell), immediately stop using it, power it
off, remove 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 malfunction.
Before you clean or maintain the device, stop using it, stop all

applications, 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
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