27
EN
The common troubleshooting table:
Warning/fault
code
Buzzer alarm
Signification
Correction method
A04
Decide by other
warning
Line abnormal
Input line abnormal, wait for
line resume
A07
Beep every 2 minute
L/N connection reverse
Please check L/N and the
ground connection is OK
A08
Decide by other
warning
Bypass abnormal
Input line abnormal, wait for
line resume
A10
Beep every 1 second
Battery abnormal or
disconnect
Please check battery
connection is OK
A11
Beep every 1 second
Battery voltage low
Please re-charger battery
before use, if battery
damaged, please contact to
service people
A12
Continuously beep
Battery voltage over
charged
Belong to UPS normal
protection behavior
A15
Beep every 1 second
Overload warning
Please check the power
connected to UPS, and load
off the unnecessary device
A16
Beep every 1 second
Fan abnormal
Please contact the
distributor or service
center
A18
Continuously beep
Charger abnormal
Please contact the
distributor or service
center
F01
Continuously beep
Bus Soft Start up fail
F02
Continuously beep
Bus voltage too high
F03
Continuously beep
Bus voltage to low
F05
Continuously beep
Bus short
F06
Continuously beep
Inverter Soft Start up fail
F07
Continuously beep
Inverter voltage too high
F08
Continuously beep
Inverter voltage too low
F10
Continuously beep
Output short
F22
Continuously beep
Overload fault
Load off the unnecessary
device, make sure the load
power lower than the rating
power
F23
Continuously beep
Over temp fault
Please make sure the intake
wasn
’t blocked, and the
indoor temp wasn
’t to high
F29
Continuously beep
Converter fail
Please contact the
distributor or service
center
F55
Continuously beep
NTC open
F57
Continuously beep
Battery damaged
F59
Continuously beep
Battery over charged
F62
Continuously beep
Inverter capacitor open
