Installation GRS105/GRS106
Release
01
11/2021
35
These LEDs provide information about conditions which affect the operation
of the whole device.
LED Display Color Activity Meaning
P
(Power)
Supply
voltage
– none Supply voltage is too low
yellow lights up Device variants with redundant power supply:
Supply voltage 1 or 2 is on
green lights up Device variants with redundant power supply:
Supply voltage 1 and 2 are on
Device variants with single power supply:
Supply voltage is on
Status Device
Status
– none Device is starting and/or is not ready for
operation.
green lights up Device is ready for operation.
Characteristics can be configured
red lights up Device is ready for operation.
Device has detected at least one error in the
monitoring results
flashes 1 × a period The boot parameters used when the device has
been started differ from the boot parameters
saved.
Start the device again.
flashes 4 × a period Device has detected a multiple IP address
red/
green
flashing
alternatively
Device is in recovery mode.
ACA Storage
medium
ACA31
– none ACA storage medium not connected
green lights up ACA storage medium connected
flashes 3 × a period Device writes to/reads from the storage medium
yellow lights up ACA storage medium inoperative
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