__________________________________________________________________________________ - Alpha ESS Storion-T30 Installation, Operation & Maintenance Manual

1
Power undervoltage
2
Power overfrequency
3
Power underfrequency
4
Unbalanced Grid
5
Grid Reverse
6 Islanding
8
GND fault
Over-temp 1(Internal
A ambient temperature is
too high)
16 Auxiliary Power Fault
2B
Over-Load

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Troubleshooting
This fault is caused by the instantaneous condition
of the power network. The inverter will come to
normal in a short time.
If the fault still exists, please contact Alpha service
This fault is caused by the instantaneous condition
of the power network. The inverter will come to
normal in a short time.
If the fault still exists, please contact Alpha service.
This fault is caused by the instantaneous condition
of the power network. The inverter will come to
normal in a short time.
If the fault still exists, please contact Alpha service.
Wait for the inverter to come to normal.
If the fault still exists, please contact Alpha service.
Check the phase sequence connection of the grid
and restart after correction.
1. Check to confirm if the grid is reliable.
2. Check the circuit breaker for normal closure
If the fault still exists, please contact Alpha service.
Check the grounding wiring;
If the fault still exists, please contact Alpha service.
1. Check if the fan is working properly;
2. Check if the output exceeds the rated value;
If the fault still exists, please contact Alpha service.
Auxiliary power supply is below 15V;
Wait for the inverter to come to normal;
If the fault still exists, please contact Alpha service.
Overload on the AC side of the inverter, need to
reduce the load, otherwise the inverter will enter
into the state of overtime shutdown.
If the fault still exists, please contact Alpha service.
Alpha ESS Co., Ltd.
Your Smart Energy
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