
25
Manual
www.kraun.it
appendix 2: the corresponding working status of indications
no
working status
Indication
warning
Remarks
nor
Bat
Bps
fan
1
line mode
normal voltage
none
high/low voltage pro-
tection, turn to battery
mode
once every four
seconds
2
Battery mode
normal voltage
once every four
seconds
Battery Voltage abnor-
mal warning
once per second
3
Bypass mode
main ac normal volt-
age 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
once every four
seconds
affirm if the battery switch is
closed
Power up or start
Six times
affirm if the battery is con-
nected well
5
output overload protection
overload warning in
line mode,
Twice per second
Remove the less important
loads
overload in line mode,
protection
long beeps
Remove the less important
loads
overload warning in
battery mode
Twice per second
Remove the less important
loads
overload in battery
mode, protection
long beeps
Remove the less important
loads
6
overload warning in
bypass mode
once every 2 sec-
onds
Remove the less important
loads
7
fan fault (fan icon flash)
once every 2 sec-
onds
check if the fan is blocked by
object.
8
fault mode
long beeps
If display fault code and icon
lights, contact for maintenance
when you can’t deal with it by
yourself.
_indicator lights for a long time
_indicator flashes
_the status of indicator depends on other conditions