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Service
Internal Events
ID
Status
message
201–208
209, 210
211
Fan rpm low
4
4
212
DC bus
balance
timeout
213–215
216–221
224
RCMU over
range
225–240
241, 242,
249
243, 244
247
FSP plausi-
bility fault
248, 251
Self test failed
FSP fail safe
252-254
255–257
260
261-262
Table 4.4 Internal Events
32
Description
The internal temperature of the
inverter is too high.
Voltage on DC bus is too high.
Fan speed is too low.
Inverter unable to balance DC bus.
Internal error Voltage measured
before and after the relay differs by
more than 20 V.
Current measured on AC side is too
high.
A wire is broken in the RCMU.
Failure in Memory/ EEPROM.
Internal communication error.
Internal error.
A plausibility fault has occurred in
the functional safety processor.
The self-test has failed.
Current measured on AC side is too
high.
Islanding protection trip.
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.
PV current measurements failed.
L00410568-02_02 / Rev. date: 2013-12-10
Action
Check the inverter is not covered and that the
ventilation duct is not blocked. If not, call the
installer.
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.
Is the inverter fan blocked?
Yes: Clean the fan, No: Call the installer.
Call the installer.
Installer: Call service.
Call the installer.
Installer: Call service.
Call the installer.
Installer: Call service.
Call the installer.
Installer: If self-test does not complete
successfully, call service partner.
Restart the inverter. If event persists, call the
installer.
Installer: Call service.
Check event log for other grid events (1-55) and
follow the instructions for these events. If the
event persists, call the installer.
Call the installer.
Installer: Call service.
Call the installer.
Installer: Call service.
Call the installer.
Installer: Call service.
Call the installer.
Installer: Call service.
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