Dd Display Operations; Led And Display Operations - ABB CDD Product Manual

L
ED and display operations
The status of the inverter is indicated by the constant or intermittent lighting of the LED
located on the front of the CDD above the two line display. The display also shows a message
identifying the operation which is being carried out or the alarm/anomaly recorded.
(See Appendix, part 7 for description of alarm messages and error codes.)
The following table shows the possible combinations of LED activation relating to the operating state of the
CDD and MICRO inverters in the installation.
LED status
FLASHING GREEN: No errors or alarms generated
STEADY GREEN:
FLASHING RED:
STEADY RED:
CDD display operations
Operating state
Reporting of radio communication
problems between MICRO
inverters and CDD or between
CDD and Router
Minor warnings:
Warning (message codes Wxxx)
Error (message codes Exxx)
Major system warnings:
Warning (message codes Wxxx)
Error (message codes Exxx)
Description
Installation of CDD and MICRO
inverters is operational.
A transitional or permanent state
caused by the failure to receive
data by the CDD or by an absent
or bad connection between the
CDD and the router.
Implies a small generation loss
that may be caused by power
limiting or by causes external
to the MICRO inverter, such as
poor sunlight levels.
Reports a fault on one or multiple
MICRO inverters causing
interruption to generation of
power.
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