ABB Ability 800xA Series User Manual page 42

2 Hardware Installation
2.5 Interfaces and Display Elements
Table 2.18: LED Indicators in Redundant Mode
(Continued)
2PAA114135-610
LEDs
Primary device or non-redundant device, hardware
failure
The device is acting as non-redundant device, but a minor
hardware failure has been detected during start-up. In the
case of a primary device in a redundant set, the secondary
device is not ready.
Either: Primary device or non-redundant device, failure
The device is acting as non-redundant device, but a failure
has been detected.
Or: Secondary device, not ready
The device is acting as secondary device in a redundant
set, but it is not ready to take over the primary role due to
e. g. not synchronized configuration information or a
non-operational redundancy link.
Or: Primary device or non-redundant device, failure
The device is acting as primary device in a redundant set
or as non-redundant device, but a failure has been detected.
In the case of a primary device in a redundant set or as a
non-redundant set, the secondary device is not ready.
Secondary device, operational
The device is operational as secondary device in a
redundant set. The configuration information has been
successfully transferred from the primary device and the
redundancy link is operational.
Meaning
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