
Safety Precautions EchoLife HG813
Service Manual
6 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd Issue 02 (2009-03-16)
zDry your hands before removing or inserting cables.
zStop the device and switch off the power before removing or inserting cables.
zSwitch off the power and remove all the cables, including the power cable, optical
fibers, and network cables, from the device during stormy weather.
zSwitch off the power and remove the power plug if the device is shut down for a
long term.
zDo not let water or other liquid contact the device. If such an accident occurs,
switch off the power immediately and remove all the cables, including the power
cable, optical fibers, and network cables, from the device. Contact the specified
service center in case of a device failure.
zDo not stamp, pull, drag, or excessively bend the cables because they may get
damaged, leading to a device failure.
zDo not use the cables that have been damaged or aged.
zDo not stare directly into the optical port on the device to prevent injury to your
eyes.
zIn case of any abnormalities, such as smoke, abnormal sound, or odor, immediately
stop the device, switch off the power, and remove all cables, including the power
cable, optical fibers, and network cables, from the device. Contact the specified
service center in case of a device failure.
zPrevent foreign objects such as metal objects from dropping into the device through
the heat dissipation hole.
zPrevent the outer case of the device from being scratched because the paint that is
peeled off in the scratched areas can cause device abnormalities. That is, if the
paint falls into the device it may cause short circuits. In addition, it can cause an
allergic reaction to your body.
zEnsure that the device is kept away from children to prevent risks such as
swallowing the devices or the accessories.
Instructions for Cleaning
zBefore cleaning the device, stop running it, switch off the power, and remove all
cables, including the power cable, optical fibers, and network cables, from the
device.
zDo not use cleaning fluid or spray-on detergent to clean the case of the device. Use
a soft cloth instead.
Environment Protection Instructions
zPut the waste device and batteries to the specified recycle place.
zAbide by the local laws and regulations to handle the packaging materials, run-out
batteries and waste devices.