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8. Appendix
In the event of an UPS fault, shoot the trouble according to Table. If the fault
still persists, please contact our customer service center.
8.1 Fault code
Faults
Possible cause
Solution
Fault/
Warning
code
Fault icon
Alarm
F01
On
constantly
Beep
continuously
Bus soft start fails
Please contact the distributor
or Service center.
F02
On
constantly
Beep
continuously
BUS over voltage
fault
Please contact the distributor
or Service center.
F03
On
constantly
Beep
continuously
BUS low voltage
fault
Please contact the distributor
or Service center.
F04
On
constantly
Beep
continuously
Bus unbalance
Please contact the distributor
or Service center.
F05
On
constantly
Beep
continuously
BUS short
Please contact the distributor
or Service center.
F06
On
constantly
Beep
continuously
INV soft start fails
Please contact the distributor
or Service center.
F07
On
constantly
Beep
continuously
INV over voltage
fault
Please contact the distributor
or Service center.
F08
On
constantly
Beep
continuously
INV low voltage
fault
Please contact the distributor
or Service center.
F09
On
constantly
Beep
continuously
R/S INV short
Turn off the UPS. Remove
all loads. Ensure that the
loads are not failed or the
UPS has no internal short
before turn on it again. If
failed, please contact the
distributor or service center.
F10
On
constantly
Beep
continuously
R INV short
F11
On
constantly
Beep
continuously
EPO fault
Check the EPO switch be
take off or connect tighten.
F12
On
constantly
Beep
continuously
T INV short
Turn off the UPS. Remove
all loads. Ensure that the
loads are not failed or the
UPS has no internal short
before turn on it again. If
failed, please contact the
distributor or service center.
F13
On
constantly
Beep
continuously
S INV short
F14
On
constantly
Beep
continuously
S/T INV short
F15
On
constantly
Beep
continuously
R/T INV short