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Rear Covers
8 Troubleshooting
The following messages are the information that users would find on UPS when it meets some
problems. Users can judge if the fault is caused by external factors and know how to deal with it by
making full use of the information.
Fault indicator on, indicates that the UPS has detected some faults. Buzzer beeps, indicates that UPS
need to be paid attention to, if beeps for a long time, it means that there is something wrong with the
machine. If you need help, contact our service department, the following messages should be
provided for analysis:
he following table describes typical alarm conditions.
Table 22.
Fault
The "INPUT"
letters on LCD
display section
flashes
Battery capacity
indicator flashes
Mains normal, but
UPS has no input
Short back up time
Figure 26.
Figure 27.
◆UPS MODEL NO. and SERIAL NO.
◆Date of fault happened
◆Detailed description of the problem (include indicator statements
on cover)
Cause
Anti-connection of
mains live and neutral
or mains is out of
range
Battery low voltage or
battery disconnected
UPS input breaker
open circuit
Battery not fully
charged
UPS overload
49
Solution
Re-connect the input power cable
and make a correct connection
Check UPS battery, connect
battery well, if battery damaged,
replace it
Press the breaker for reset
Keep UPS connecting with mains
power for more than 8 hours,
recharge battery
Check the usage of loads, remove
some redundant devices
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