Alpha ESS SMILE5 Installation, Operation & Maintenance Manual page 98

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110021 Grid Loss Alarm
110022 Grid Volt Alarm
Maintenance and Troubleshooting
the MPPT.
2. Check the number of solar panel mod-
ules and adjust the number if necessary.
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 re-
stored automatically, please contact the lo-
cal power operator, after obtaining permis-
sion, modify the inverter grid protection
parameter settings to a suitable value
through the APP.
3. If it occurs frequently but cannot be re-
covered for a long time, please confirm:
1) Whether the AC circuit breaker discon-
nected
2) Whether the AC circuit breaker is dam-
aged (measure whether the voltage of the
inlet and outlet in the closed state is con-
sistent)
3) Check whether the AC terminals are in
good contact
4) Whether the power supply line is out of
power
1. Check whether grid is abnormal.
2. Confirm whether the grid cable connec-
tion is normal.