ABB Ability 800xA Series User Manual page 41

2 Hardware Installation
2.5 Interfaces and Display Elements
Table 2.17: Power Supply LED Indicator
Table 2.18: LED Indicators in Redundant Mode
2PAA114135-610
Symbol
Flashing green
Red
Off
LEDs
Start-up phase (approx. 7 seconds)
During this phase, the redundancy role is determined.
Non redundant device, ready
The device is operational; it is not part of a redundant set.
The primary device is set to redundant mode.
The device is operational, acting as primary device in a
redundant set. The secondary device is ready.
Permanent hardware fault detection during startup
A fatal error has been detected. Possible failure could be
a missing Ethernet connection.
Color/Lighting
Redundancy link communication is
ok (triggered by redundancy link
packets)
Link communication interrupted or
aborted (broken down)
No link communication
Meaning
Meaning
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