While the IPC runs properly, do not press the “Reset” button of the
UPS. If the “Reset” button is pressed while the IPC is running prop-
erly, a malfunction of the operating system can result.
12.2 Operating and error display
LED
Name
Description
Action
24 V In
LED is green
Normal mode
-
LED is off
24 V DC missing
Check the connecting cable of
the voltage supply connected to
XD1.
LED flashes
green (1 Hz flash-
ing frequency)
Shutdown initiated
Wait until the connected PC is
shut down completely.
UPS OK
LED is blue
Normal mode or UPS mode
-
LED is off
UPS disabled
-
Batt. OK
LED is yellow
Normal mode
-
LED is off
No battery detected
Device is defective. For further
information, contact the Bosch
Rexroth Service.
LED flashes yel-
low (1 Hz flashing
frequency)
Low charging condition of the battery
Charging condition ≤ 15%
1 Hz flashing ends when the charging
condition is above 16%.
Wait until the accumulator is
charged.
LED flashes yel-
low (0.5 Hz flash-
ing frequency)
Abnormal battery condition
Battery temperature ≥ 60 °C
0.5 Hz flashing ends when the tem-
perature falls below 55 °C.
Check the ambient conditions
and ensure that the ambient tem-
peratures allowed remain within
its tolerances.
Batt.Charg
e
LED is off
Accumulator is not being charged.
-
LED flashes
green (1 Hz flash-
ing frequency)
Accumulator is being charged.
-
LED flashes
green (0.5 Hz
flashing frequen-
cy)
Abnormal battery condition
Battery temperature ≥ 60 °C
0.5 Hz flashing ends when the tem-
perature falls below 55 °C.
Check the ambient conditions
and ensure that the ambient tem-
peratures allowed remain within
its tolerances.
Tab. 12-1: LED description
12.3 Battery protective devices
To protect the mounted battery, the UPS is provided with a cut-off device that
disables the battery functionality if one of the following cases is present:
22/31
Device description
IndraControl VAU 02.1 Uninterruptible
Power Supply
Bosch Rexroth AG R911384727_Edition 03