23
6 Troubleshooting
Problem Possible cause solution
The #1 Fault LED and #2
LED and #5 are on, the buzzer
beeps continuously
The UPS output is short
circuited
Turn off the UPS. Remove all loads. Ensure that the loads
are not failed or has no internal short before turn on it
again. If failed, please contact the distributor or service
center
The #10 battery LED blinks Battery is not connected or
its voltage is too low.
Check the battery of the UPS and connect it properly. If
the battery is damaged, you must replace it promptly
The #1 fault LED is on. The
#10 battery LED is blinks.
The buzzer beeps once every
second
The charger of the UPS is
defective
Please contact the distributor or Service center
The utility power normal and
the UPS cannot run in normal
mode
The UPS input breaker is
tripped
Reset the input breaker
The battery has not been
fully charged
Keep the UPS connected to utility power persistently for
more than 10 hours to charge the battery again
The UPS is overloaded Check the load status and remove the non-critical device
The battery discharge time
diminishes
Battery aged Replace the batteries. Please contact the distributor to
obtain the replacement components for battery
The “ON/OFF” button is
pressed to briefly
Press the “ON/OFF” button persistently for more than 1
second
The UPS is not connect to
battery or the battery
voltage is too low
Check the connection of the battery. Turn on the UPS
without load if the battery voltage is low
The UPS cannot power on
after pressing the power on
key
Internal fault Please contact the distributor or Service center
When reporting UPS fault, please provide the following information:
The machine model and machine serial No.
The data of fault happened.
The detail of fault, contains LED indications, power condition, load capacity,
buzzer beeps and configuration of battery (if it is the Long Backup time UPS).
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