LPRC300 User Manual
Page | 6 Copyright©2021 ZKTECO. CO., LTD. All rights reserved.
Safety Precautions
Electrical safety
Complete the grounding properly and set up surge protection before connecting an external cable
to the device; otherwise, static electricity can damage the Mainboard.
Make sure to use the standard voltage applicable in your country or region (the rated voltage of the
device is 220V). Power mismatch may cause a short circuit or damage the device.
Operational safety
Transportation and other issues may damage the device’s hardware. Check if the device has
significant damage before installation. If the device has major defects, contact your dealer as soon
as possible.
Do not connect or disconnect cables to/from the device when it is working.
Do not keep the device in an unstable place. Handle the device with care. Do not place heavy
objects on top of the device.
Do not use rosin, alcohol, benzene, pesticides, and other volatile substances to clean the device,
because they may damage the device enclosure. Clean the enclosure with a piece of soft cloth or a
small amount of cleaning agent.
Unauthorized persons are not allowed to open the unit. For any queries regarding the usage of the
product, contact an authorized technician.
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