SMA Solar Technology AG 4 Service
Installation Guide SHP75-10-STP60-10-IA-xx-18 39
Table 4.4 Internal events
Events caused by the self-test
281 Too many RCMU events
during the past 24 hours. Only
four automatic reconnect
attempts after event 34 is
allowed during a 24-hour
period. The inverter will
automatically try to reconnect
after a certain period.
Wait up to 24 hours. If event 34
recurs, follow the action for event
34.
-x-
282 Grid code settings invalid. Restart the inverter. If the event
persists, ask Service to generate a
new grid code file or reselect a
standard grid code.
-x-
283 Gatedrive error. Restart the inverter. If the event
persists, contact Service.
-x-
323 Internal fan error. Maximum
output power has been
reduced.
If the event repeats, contact Service. - x -
ID Status
message
Description Measures DNO SMA
Service
Line
PV
ID Description Measures DNO SMA
Service
Line
PV
100 PV input current is negative. Sensor fault. Check the polarity of the PV system. If
polarity is correct, contact Service.
-x-
264 Measurement circuit test failed. If the event persists, contact Service. - x -
266 Measurement circuit test failed. Warning: Do not operate the DC
load-break switch of the inverter.
Switching off the DC voltage using a
suitable DC load-break switch in the
Combiner Box is still possible. Do not
perform any further actions or switching
operations on the inverter. Contact
Service immediately.
-xx
272 PV overvoltage protection device error.
Inverter will continue operation without
overvoltage protection.
Replace PV overvoltage protection
device. See SPD replacement
instructions for details.
-x-
273 AC grid surge protection device error.
Inverter will continue operation without
surge protection device.
Replace AC grid surge protection
device. See SPD replacement
instructions for details.
-x-
274 Overvoltage protection device status
unknown.
Restart the inverter. If the event persists,
contact Service.
-x-
To Next Page
Loading...
