Goodwe SDT Series User Manual page 58

09 Maintenance
No. Fault
1 Utility Loss
Grid
2
Overvoltage
Cause
1. Utility grid power
failure.
2. The AC circuit or
the AC breaker is
disconnected.
The grid voltage exceeds
the allowed range, or
the duration exceeds
the setted value of HVRT
duration.
User Manual V1.3-2024-01-25
Solutions
1. The alarm will be automatically
cleared after the grid power supply
restores.
2. Check whether the AC cable is
connected and the AC breaker is on.
1. If occurs occasionaly, it may
be caused a short term grid
abnormity. The inverter will recover
automatically after the grid is
normal.
2. If it occurs frequently, please check
whether the grid voltage is within
the allowed range.
• If the grid voltage exceeds the
allowed range, please contact
local power operator.
• If the grid voltage is within the
allowable range, please modify
the inverter grid overvoltage
protection value with the
consent of the local power
operator.
3. If it does not restore for a long time,
please check whether the AC side
circuit breaker or output cables are
connected properly.
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