Goodwe EH Plus Series User Manual

46
09 Maintenance User Manual V1.4-2022-08-30
No. Fault Cause Solutions
6
Grid
Overfrequency
Utility grid
exception. The
actual grid
frequency exceeds
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.
• Modify the overfrequency protection
threshold or disable the overfrequency
protection function after obtaining the
consent of the local power company if the
grid frequency is within the permissible
range.
7 Anti-islanding
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.
8
Grid
Underfrequency
Utility grid
exception. The
actual grid
frequency is
lower than 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.
• 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.

Goodwe EH Plus Series Specifications

General

Brand	Goodwe
Model	EH Plus Series
Category	Inverter
Language	English