8 Service
ID
Status
message
281
282
283
323
Events caused by the self-test
ID
Description
100
PV input current is negative. Sensor
fault.
264
Measurement circuit test failed.
266
Measurement circuit test failed.
272
PV surge protection device error.
Inverter will continue operation
without overvoltage protection.
42
SHP75-10-STP60-10-IA-xx-19
Description
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.
Grid code settings invalid.
Gatedrive error.
Internal fan error.
Maximum output power
has been reduced.
Measures
Wait up to 24 hours. If event 34
recurs, follow the action for
event 34.
Restart the inverter. If the event
persists, ask Service to generate
a new grid code fle or reselect
a standard grid code.
Restart the inverter. If the event
persists, contact Service.
If the event repeats, contact
Service.
Measures
Check the polarity of the PV system.
If polarity is correct, contact Service.
If the event persists, contact Service. -
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.
Replace PV surge protection device.
See SPD replacement instructions
for details.
SMA Solar Technology AG
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Installation Guide