Alpha ESS SMILE5 Installation, Operation & Maintenance Manual page 102

100
Input Power Limit
110049
Alarm
Output Power Limit
110050
Alarm
grid waveform
110059
abnormal alarm
Maintenance and Troubleshooting
3. Check whether the solar panel string is
shielded.
4. If the PV string is clean and not shielded,
check whether the PV modules are aging
or deteriorated.
Normal in low light conditions, no pro-
cessing is required.
1. Restart the system and check whether
the fault can be cleared.
2. If the fault can't be cleared, please con-
tact the customer service center for turther
check.
1. If it occurs occasionally, it is a short-term
abnormality of the power grid. The inverter
will resume normal operation after detect-
ing that the power grid is normal, and no
processing is required.
2. If it occurs frequently but can be recov-
ered automatically, please contact the local
power operator, and after obtaining per-
mission, modify the inverter grid protec-
tion parameter settings.
3. If it occurs frequently but cannot be re-
covered for a long time, please contact the
customer service center for turther check.