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12
Correction of faults
12.1
Display messages
During installation and operation, situations deviating from normal behaviour may
occur. These deviations are indicated by an error code on the display The following
applies to the error codes:
• Most error codes are only for informational purposes and can be explained by the
current situation: System messages.
Example: Error code 40 occurs when the system is not connected to the grid.
• Other error codes indicate possible incorrect operation of the unit during installa-
tion or initial commissioning.
• Very few error codes indicate a problem that needs to be corrected by the installer.
Error messages.
The error codes and corrective measures to be taken are listed below.
Notes
During periods with little solar irradiation (e.g. mornings or evenings) messages
regarding the switching on and off of inverters may be displayed. This is normal
and these messages then disappear automatically.
12.2
System messages
System messages appear automatically on the display, regardless of whether this is
located on a monitoring unit or a remote display unit. The following applies:
• System messages are displayed together with the currently set parameter values in
an alternating sequence.
• If several system messages are present then these are displayed sequentially.
• An exclamation mark „!" is shown on the display while a system message is active.
• System messages are displayed together with the number of the inverter where
the message comes from.
The following table describes the different types of system message.
Display
OFF
STANDBY
ACTIVE
2
W/ m
kWh
C
IRRAD
TEMP
POWER
ENERGY
/D
/W
/M
/Y
OFF
STANDBY
ACTIVE
2
W/ m
kWh
C
IRRAD
TEMP
POWER
ENERGY
/D
/W
/M
/Y
OFF
STANDBY
ACTIVE
2
W/ m
kWh
C
IRRAD
TEMP
POWER
ENERGY
/D
/W
/M
/Y
Type
Description
Information on the set parameter, e. g. Total energy
Data
Err 1
System message 1
01.40 Inverter 01 signals error code 40: The grid voltage lies
outside the normal working range of 230 V ± 20 %
738.977 | 1149
EN
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