Cleaning And Maintenance - Huawei B315 Series Quick Start Manual

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 present a fire hazard. Use a
clean, soft, and dry cloth to clean the device and accessories.
Do not place magnetic stripe cards, such as credit cards and phone cards,

near the device for extended periods of time. Otherwise the magnetic
stripe cards may be damaged.
Do not dismantle or remanufacture the device and its accessories. This

voids the warranty and releases the manufacturer from liability for
damage. In case of damage, contact an authorized service center for
assistance or repair.
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