Internal Events
ID
Status
message
Description
Action
DNO Hotline PV
201–208
The internal temperature of the
inverter is too high.
Check the inverter is not covered and that the
ventilation duct is not blocked. If not, call the
installer.
-
x
-
209, 210
Voltage on DC bus is too high.
Reset the inverter by disconnecting DC and AC,
using the switches. If the event is repeated, call
the installer. Installer:
Check the maximum PV voltage using the display
to see if it is above the limits.
-
x
-
211
Fan rpm low
Fan speed is too low.
Is the inverter fan blocked?
Yes: Clean the fan, No: Call the installer.
-
x
-
212
DC bus
balance
timeout
Inverter unable to balance DC bus.
Call the installer.
Installer: Call service.
-
x
-
213–215
Internal error Voltage measured
before and after the relay differs by
more than 20 V.
Call the installer.
Installer: Call service.
-
x
-
216–221
Current measured on AC side is too
high.
Call the installer.
Installer: Call service.
-
x
-
224
RCMU over
range
A wire is broken in the RCMU.
Call the installer.
Installer: If self-test does not complete
successfully, call service partner.
-
x
-
225–240
Failure in Memory/ EEPROM.
Restart the inverter. If event persists, call the
installer.
Installer: Call service.
-
x
-
241, 242,
249
Internal communication error.
-
x
-
243, 244
Internal error.
-
x
-
247
FSP plausi-
bility fault
A plausibility fault has occurred in
the functional safety processor.
Check event log for other grid events (1-55) and
follow the instructions for these events. If the
event persists, call the installer.
-
x
-
248, 251
Self test failed
FSP fail safe
The self-test has failed.
-
x
-
252-254
Current measured on AC side is too
high.
Call the installer.
Installer: Call service.
-
x
-
255–257
Islanding protection trip.
Call the installer.
Installer: Call service.
-
x
-
260
The resistance between ground and
PV is too low for the inverter to start
up. This will force the inverter to
make a new measurement after 10
minutes have passed.
Call the installer.
Installer: Call service.
-
x
-
261-262
PV current measurements failed.
Call the installer.
Installer: Call service.
-
x
x
Table 4.4 Internal Events
Service
32
L00410568-02_02 / Rev. date: 2013-12-10
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