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Display test: all the symbols light up simultane-
–
ously for approx. 2 seconds.
System configuration initialisation. The control
–
unit scans for components that are connected to
the system: sunlight sensors, temperature sensors
and inverters. During this process, 'init', 'irrad'
and 'temp' are simultaneously displayed while
scanning for sensors takes place, and 'init' and
'power' as the control unit scans for inverters.
After all the system components have been 'recog-
nised', the system shows three consecutive system
configurations on the display.
'irrad': no sunlight sensors found;
–
'temp': no temperature sensors found;
–
'power': number of inverters found; 2 in this
–
example.
Having shown the system configuration, the display
switches to 'ENERGY'.
System messages may also be intermittently display-
ed in this final mode: (for example: Err 1 ; 01.40).
This means that the mains voltage of inverter 01
falls outside the specified range of 230 V plus or
minus 10 %. This is normal: when the control unit
is switched on, there is no 230 V supply and the
inverter does not become active until 20 seconds
have passed. These messages will disappear after a
while. An '!' will be visible for as long as there is still
at least one active message.
•
See Chapter 5 'StecaGrid Remote (Remote Display)' and
Chapter 8 'Problem solving', 'Display error messages' for
more information.
NOTES
1. The inverters that are found during the scan are numbered
from 1 to n (n = is the total number of inverters installed),
starting from the inverter on the far right next to the StecaG-
rid Control. Inverters that are added subsequently, can be
placed on the far left and are assigned the next number in
sequence.
. If there are more than 1 StecaGrid 300 or 7 StecaGrid
500 inverters, the system displays an error message (system
message 11: 'too many inverters').
3. If solar energy levels are so low that one or more inverters
are neither in the Stand-by nor Active modes, they will not
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