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11.1.3
Inverter error messages
Error message
Description
Grid voltage too
The mains voltage of one or more phases at the inverter exceeds the per-
missible value. The inverter must not feed into the grid.
high
Grid voltage too
The mains voltage of one or more phases at the inverter is less than the
permissible value. The inverter must not feed into the grid.
low
Grid frequency too
The grid frequency at the inverter is greater than the maximum permissible
value. The inverter must not feed into the grid.
high
Grid frequency
The grid frequency at the inverter is less than the minimum permissible
value. The inverter must not feed into the grid.
too low
Residual current
The residual current flowing from the positive or negative inputs to earth
via the photovoltaic modules exceeds the maximum permissible value. The
too high
inverter must not feed into the grid.
The DC current portion fed into the grid by the inverter exceeds the maxi-
DC current portion
mum permissible value. The inverter must not feed into the grid.
too high
Insulation fault
The insulation resistance between the positive or negative input and earth
is less than the permissible value. The inverter must not switch onto the
grid.
One or more inverters have an invalid country code. Either no country was
Invalid country
selected during commissioning or differing countries are selected for multi-
setting
ple inverters in the same system. The inverter(s) do not feed into the grid.
The input voltage at the inverter exceeds the permissible value. The inverter
DC input voltage
does not feed into the grid.
too high
The input voltage at the inverter is less than the permissible value. The
DC input voltage
too low
inverter cannot feed into the grid.
Internal error
2)
Internal warning
3)
Internal informa-
tion
The inverter cannot feed the grid at full power because the maximum
Derating: Tem-
permissible internal temperature has been reached.
perature
Derating: Average
The inverter cannot or may not feed the grid at full power because the
average output voltage over a period of 10 minutes lies outside the permis-
value after 10
sible tolerance range.
minutes
The inverter has received an external signal via the communications inter-
Derating: External
face and is currently feeding the grid at reduced power.
(e.g. Power Com-
pany)
The inverter cannot feed the grid at full power because the maximum per-
Derating: Tem-
missible internal temperature has been reached. This state has now existed
perature > 30 min
for more than 30 minutes.
50
Contact your installer.
Contact your installer.
Contact your installer.
Contact your installer.
Contact your installer.
Contact your installer.
Contact your installer.
Set the correct country code for all inverters as described above.
Switch off the main DC switch of the inverter
installer.
Contact your installer.
Contact your installer.
Contact your installer.
Contact your installer.
Contact your installer if this warning occurs frequently.
Contact your installer if this warning occurs frequently.
Contact your installer.
and contact your
1)
734.144 | Z04 | 2012-11-22
EN
Perma-
Type
nent
E
E
E
E
E
E
E
X
E
X
E
X
W
X
E
X
W
X
I
X
W
W
W
W
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