Operation and installation manual
Page 44 of 82
(PVI-10.0/12.5-OUTD-xx Rev:1.2)
G
Y
R
5) Failure-Fault Warning
Any time AURORA control system detects a failure or fault of
monitored system operation, the yellow LED turns on steady and the
LCD displays a message indicating the problem found.
G
Y
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6) Internal
ventilation
failure
Indicates that internal ventilation is not working properly. This should
not give any problems since the fan is only triggered in case of high
temperature and high output power.
G
Y
R
7)
Grid
disconnection
When the system is duly activated and operating, and grid connection
is suddenly missing, for any reason, the yellow LED immediately turns
on steady and the green one flashes.
5.4
Error codes and messages
System status is identified through Warning messages or Errors appearing on the LCD.
The tables below summarize the two types of messages that can be displayed.
MESSAGES indicate AURORA current state, they are not caused by a failure and do
not require any action. They will no longer be displayed when normal conditions are
restored. See W strings in the table below.
ALARM messages identify a possible fault of the equipment or of the connected parts.
These messages will disappear as soon as the causes are removed, except for ground
insulation faults in the photovoltaic field, which have to be corrected by qualified
personnel. Usually, when an error message appears, an action is needed. This action
will be managed as much as possible by Aurora or, in case this is not possible, Aurora
will supply all the necessary helping information to the person who will have to carry
out the maintenance operations to fix the fault on the equipment or system. See E
strings in the table below.
