3 System Description LB 470 Level
56925BA2 Rev. 03, 11/2017
Status displays of the master EVU
The LEDs (fig.1, items 2-4) below the touch display show the current operating sta-
tus of the master EVU.
This LED lights up green if the device is in operation
and fault-free. The current measurement is carried out.
The RUN LED flashes green while the measurement is
(held) in the STOP state by user actions (e.g. stop func-
tion, simulation mode, plateau recording).
This LED lights up yellow when a system event
of the type "Outside of specification", "Maintenance re-
quired" or "Function check" is present.
All system events are described in chapter 8.
This LED lights up red if a system event of the type "Fail-
ure" is present. The current measurement is retained.
Check the device settings.
All system events are described in chapter 8
RUN / WARNING / ERROR flashing
All three LEDS flash during the system test which is per-
formed as part of the start up process.
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