Huawei SUN2000-330KTL-H2 - Page 99

Alar
m ID
Alarm
Name
Alarm
Severity
Possible Cause Suggestion
2036 Grid
Overfreq
uency
Major Cause ID = 1
Power grid exception: The
power grid frequency is
higher than the frequency
required in the local
standard.
1. If the alarm occurs occasionally,
the power grid may be abnormal
temporarily. The device
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the power grid
frequency is within the allowed
range. If not, contact the local
power operator. If yes, modify the
power grid overfrequency
protection threshold after
obtaining the consent of the local
power operator.
2037 Grid
Underfre
quency
Major Cause ID = 1
Power grid exception: The
actual power grid
frequency is lower than the
standard requirement for
the local power grid.
1. If the alarm occurs occasionally,
the power grid may be abnormal
temporarily. The device
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the power grid
frequency is within the allowed
range. If not, contact the local
power operator. If yes, modify the
power grid underfrequency
protection threshold after
obtaining the consent of the local
power operator.
2038 Unstabl
e Grid
Frequen
cy
Major Cause ID = 1
Power grid exception: The
actual grid frequency
change rate does not
comply with the local
power grid standard.
1. If the alarm occurs occasionally,
the power grid may be abnormal
temporarily. The device
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the power grid
frequency is within the allowed
range. If not, contact the local
power operator.
SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual 9 Alarm Reference
Issue 07 (2023-06-30) Copyright © Huawei Technologies Co., Ltd. 92