56
515
Communication with filter not
possible
Warning message on
the display
*)
516
Communication with memory
unit not possible
Warning message of
memory unit
*)
517
Power derating due to exces-
sive temperature
A warning message is
shown on the display
when a power derating
occurs
Purge cooling air openings and cool-
ing elements if necessary;
Error is corrected automatically; **)
518
Internal DSP malfunction
Warning message on
the display
*)
519
Communication with memory
unit not possible
Warning message of
memory unit
*)
520
No feed-in within the last
24 hours from MPPT1
Warning message is
shown on the display
Acknowledge state code;
Check whether all conditions for
problem-free grid power feed opera-
tion are met (e.g., whether solar mod-
ules are covered with snow); *)
522
DC low String 1
Warning message on
the display
*)
523
DC low String 2
558,
559
Function incompatibility (one
or more PC boards in the in-
verter are not compatible with
each other, e.g., after PC
board replacement)
Warning message on
the display
Update inverter firmware; *)
560
Power derating due to over-fre-
quency
Displayed when grid fre-
quency is too high; the
power is reduced.
As soon as the grid frequency returns
to the permissible range and the in-
verter is back to normal operation, the
error is automatically corrected; **)
564
Function incompatibility (one
or more PC boards in the in-
verter are not compatible with
each other, e.g., after PC
board replacement)
Warning message on
the display
Update inverter firmware; *)
566
Arc Detector switched off
(e.g. in the event of external
arc monitoring)
This state code is dis-
played every day until
the Arc Detector is reac-
tivated.
No error!
Confirm the state code by pressing
the ‘Enter’ key
568
Incorrect input signal at the
multifunctional power interface
The state code is dis-
played in the event of an
incorrect input signal at
the multifunctional pow-
er interface and in the
event of the following
setting:
Basic menu / signal in-
put / function = Ext. sig-
nal, trigger type =
Warning
Acknowledge state code;
check the devices connected to the
multifunctional power interface; **)
572
Power limitation due to power
module
Power is limited by the
power module
*)
Code
Description
Behavior
Remedy
