6
Display and Operating Components
6.1
Operating and Error Display
In the upper part of the front panel, there are four LEDs to indicate the device
states and the errors of the connected PC. Depending on the variant the front
panel provides either labeled LEDs or illuminated symbols. The meaning of the
display elements and measures in the event of failures are listed in the following
table (see
fig. 6-1 "LEDs for operating and error display on the front panel" on
).
Displays on the front
Symbol or LED Display
Meaning
Measure
LED green on
Normal mode
–
LED green off
No DC 24 V supply volt‐
age
Check the supply volt‐
age at the power supply
unit!
HDD
LED yellow
Hard disk access
–
Temp
LED off
Temperature in safe
range
–
LED flashes red Temperature > 50 °C
Reduce surrounding air
temperature!
Fan might possibly be
connected!
UPS
LED off
Normal mode
–
LED red
Device is currently oper‐
ating in battery mode,
i. e. no power supply is
available!
Restore supply voltage,
initiate controlled restart
of the control cabinet
PC!
LED flashes red Battery pack is dis‐
charged, is defective or
is not connected.
Check battery!
Fig.6-1:
LEDs for operating and error display on the front panel
DOK-SUPPL*-VEP*XX.4***-PR03-EN-P
Rexroth IndraControl VEP **.4 Embedded Terminal
Bosch Rexroth AG
77/139
Display and Operating Components
