Lenovo Beacon (English) Safety and Warranty guide - Page 8

General safety guidelines, Service and upgrades

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General safety guidelines Always observe the following precautions to reduce the risk of injury and property damage. Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation. Only use a service provider who is approved to repair your particular product. Note: Some device parts can be upgraded or replaced by the customer. Upgrades typically are referred to as options. Replacement parts approved for customer installation are referred to as Customer Replaceable Units, or CRUs. Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace CRUs. You must closely follow all instructions when installing or replacing parts. The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero. Before you remove the covers from a product equipped with an ac power cord, always make sure that the power is turned off and that the product is unplugged from any power source. If you have any questions or concerns, contact the Customer Support Center. Although there are no moving parts in your device after the power cord has been disconnected, the following warnings are required for your safety. Caution Hazardous moving parts. Keep fingers and other body parts away. Attention Before replacing any CRUs, turn off the device and wait three to five minutes to let the device cool before opening the cover. Safety and warranty guide 3

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Safety and warranty guide
General safety guidelines
Always observe the following precautions to reduce the risk of injury and property
damage.
Service and upgrades
Do not attempt to service a product yourself unless instructed to do so by the
Customer Support Center or your documentation. Only use a service provider who
is approved to repair your particular product.
Note:
Some device parts can be upgraded or replaced by the customer. Upgrades
typically are referred to as options. Replacement parts approved for customer
installation are referred to as Customer Replaceable Units, or CRUs. Lenovo
provides documentation with instructions when it is appropriate for customers
to install options or replace CRUs. You must closely follow all instructions when
installing or replacing parts. The Off state of a power indicator does not necessarily
mean that voltage levels inside a product are zero. Before you remove the covers
from a product equipped with an ac power cord, always make sure that the power
is turned off and that the product is unplugged from any power source. If you have
any questions or concerns, contact the Customer Support Center.
Although there are no moving parts in your device after the power cord has been
disconnected, the following warnings are required for your safety.
Caution
Hazardous moving parts. Keep fingers and other body parts away.
Attention
Before replacing any CRUs, turn off the device and wait three to five
minutes to let the device cool before opening the cover.