5 2
In st ru c t io n m an u al
C o n e r g y IP G s t r in g in v e r t e r s e r ie s
7 T r o u b le s h o o t in g
E
N
G
L
IS
H
7.2
Fault warnings on the display
If you have chosen a Conergy IPG string vision inverter series
inverter, your inverter will have a high-resolution display.
The inverter differentiates between faults and diagnostic
information. Diagnostic information relates to temporary
faults. If a fault arises, please contact Conergy Service. If a
fault arises, a notice will immediately appear on the
St at us
and Yi el d screen. Under Di agnos t i c s you will find all
previous faults and diagnostics information.
The following faults may arise and can be rectified as
described. If you have any queries, please contact Conergy
Service.
LED is off
The status of this LED indicator has no
significance for the current information
displayed.
Display
Possible cause
Remedy
Ov er heat i
ng
Ambient temperature
is too high, T > 60°C
The inverter needs
cool ambient air.
Check the installation
conditions.
Temperature of the
output stage is too
high
Check the installation
conditions.
DC
ov er v ol t a
ge
DC overvoltage
Check the idling
voltage of the solar
system.
I ns ul at i o
n f aul t
Earth leakage of the
solar system
Check the solar
system for earth
leakage.
Gr i d f aul t
Grid frequency is out
of tolerance
Check the mains
voltage.
AC overvoltage
Check the mains
voltage.