Technical data

38
Chapter 5 Operation
2. Run the “2 Restart” command to reboot the system
according to “6.3.7 System protection parameter setup”.
The causes of fault can be identified based on the faults
listed in Table 5-1. Please contact our after-sales service if
the fault persists.
Table 5-1 Troubleshooting Table
Warn/Protect/
Fault
Definition Possible causes
Recommended
solutions
1SPICommErr
Communication
inside inverter
fails
1Communication
circuits inside
inverter are loose;
2Serious EMI
around inverter
1Observe for 5
minutes and see
whether the alarm will
be eliminated
automatically;
2Turn off 3-phase
working power supply
and then reboot the
system;
3Contact after-sales
service personnel
2
Warn0010
Fan (invisible
from outside)
inside inverter is
working
abnormally
1Fan is blocked;
2Power supply
circuit of the fan
has problem;
3Fan state test
circuit is loose;
4Fan service life
expires
1Observe for 5
minutes and see
whether the alarm will
be eliminated
automatically;
2Switch off 3-phase
working power supply
and then reboot the
system;
3Contact after-sales
service personnel
3
Warn0030
Eeprom error
Internal storage
error
1Observe for 5
minutes and see
whether the alarm will
be eliminated
automatically;
2Contact after-sales
service personnel
Warn
4
Warn0040
DC breaker error
1PV positive pole
and negative pole
are connected
reversely;
1Observe for 5
minutes and see
whether the alarm will
be eliminated
automatically;