Hardware Installation and Reference Guide Monitoring and Maintenance
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Replacing Lithium Battery
The device has a built-in lithium battery to maintain the real-time clock without external power to the switch.
To replace the lithium battery, contact technical support personnel.
Replacing the battery with the wrong type may cause explosion or danger. If the battery is damaged, please replace it with the
same type.
Exposing the battery to extremely high temperatures and/or extremely low air pressure may cause the battery to explode or
leak flammable liquids or gases.
Throwing the battery into a fire or oven, or mechanically crushing or cutting it may cause the battery to explode.
Replacing Fuses
To replace fuses, contact technical support personnel. The technical support personnel will select fuses of the same specifications for
replacement.
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