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When the fault occurs, firstly, perform troubleshooting by referring to the troubleshooting
table. If the fault still exists, please contact the franchiser.
1. In case the UPS can not work normally, it might be wrong in installation, wiring or
operation. Please check these aspects first. If you need help, contact our service depart-
ment, the following messages should be provided for analysis:
• UPS MODEL and SERIAL NO.
• Date of fault happened
• Detailed description of the problem (include indicator statements on panel)
6. Troubleshooting and performance of the product
Fault Cause Solution
Battery LED flashes Battery low voltage
or battery discon-
nected
Check UPS battery, connect
battery well, if battery dama-
ged, replace it
Mains normal, but
UPS has no input
UPS input breaker
open circuit
Press the breaker for reset
Short back up time Battery not fully
charged
Keep UPS connecting with
mains power for more than 8
hours, recharge battery
UPS overload Check the usage of loads, re-
move some redundant devices
Battery aged When replace battery, contact
franchiser to get battery and
relative assembly
No AC power, UPS
can’t startup after
pressing the ON key
Press the ON key
for a short time
Press and hold the ON key for
more than one second to start
the UPS
UPS has no battery
connected or
battery voltage low
and too many loads
connected
Connect UPS battery well, if
battery voltage low, please
turn off UPS and remove some
loads, then start UPS
Fault occurs inside
UPS
Contact supplier for servicing
6.1 TROUBLESHOOTING
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