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7. Batteries contain hazardous voltage and current. Battery maintenance such as the battery replacement
must be carried out by qualified personnel who are knowledgeable about batteries. No other persons should
handle the batteries.
5. Troubles shooting
The following messages are the messages that users would find on UPS when it meets some problem,
with the use of such messages, users can know where the problems are and how to deal with such
problems.
◆
Fault indicator on, indicates UPS has detected some fault. Buzzer beeps, indicate UPS need to be paid
attention to.
◆
Several fault indicators and status indicators on, are to help the user to diagnose fault.
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