20
2
Battery mode
Normal
voltage
●
●
★
Once
every four
seconds
Battery
Voltage
abnormal
warning
●
★
★
Once per
second
3
Bypass mode
Main
AC
Normal
voltage
in
bypass mode
●
★
Once
every two
minutes
Eliminate after
starting the UPS
Main AC high
voltage
warning
in
bypass mode
★
Once
every four
seconds
Main AC low
voltage
warning
in
bypass mode
★
Once
every four
seconds
4
Battery disconnect warning
Bypass mode
●
★
Once
every four
seconds
Affirm if the
battery switch is
closed
Inverting
mode
inverting
mode
●
★
Once
every four
seconds
Affirm if the
battery switch is
closed
Power up or
start
Six times
Affirm if the
battery is
connected well
5
Output overload protection
Overload
warning in
line mode,
●
★
Twice per
second
Remove the
uncritical loads
Overload in
line mode,
protection
●
●
Long
beeps
Remove the
uncritical loads
Overload
warning in
●
●
★
Twice per
second
Remove the
uncritical loads