Goodwe GW10K-ES-C10 - Page 175

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check whether the grid frequency is
within the permissible range.
 Contact the local power company
if the grid frequency exceeds the
permissible range.
 Modify the underfrequency
protection threshold or disable the
underfrequency protection
function after obtaining the
consent of the local power
company if the grid frequency is
within the permissible range. Or
close Grid Underfrequency
function.Grid Underfrequency
8
Grid Frequency
Instability/
F08:Grid frequency
shift protection
Utility grid exception.
The actual grid
frequency change rate
does not meet the
requirement of the
local grid standard.
1. If the problem occurs occasionally, the
utility grid may be abnormal
temporarily. The inverter will recover
automatically after detecting that the
utility grid is normal.
2. If the problem occurs frequently,
check whether the grid frequency is
within the permissible range.
 Contact the local power company
if the grid frequency exceeds the
permissible range.
 Contact the dealer or the after-
sales service if the grid frequency
is within the permissible range.
9
Anti-islanding/
F09:Anti-islanding
protection
The utility grid is
disconnected. The
utility grid is
disconnected
according to the
safety regulations, but
the grid voltage is
maintained due to the
loads.
1. Check whether the utility grid is
disconnected.
2. Contact the dealer or the after-sales
service.
10
LVRT Undervoltage/
F10:LVRT
Utility grid exception.
The duration of the
utility grid exception
1. If the problem occurs occasionally, the
utility grid may be abnormal