Huawei SUN2000-8KTL-M0 - Page 72

SUN2000-(12KTL, 15KTL, 17KTL, 20KTL)-M0
User Manual
7 Maintenance
Issue 03 (2019-07-19)
Copyright © Huawei Technologies Co., Ltd.
66
Alarm ID
Alarm
Name
Alarm
Severity
Possible Cause
Troubleshooting Suggestion
2036
Grid
Overfrequ
ency
Major
Cause ID = 1
Power grid exception: The
actual power grid frequency is
higher than the standard
requirement for the local
power grid.
1. If the alarm occurs occasionally,
the power grid may be abnormal
temporarily. The SUN2000
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the grid frequency
is within the acceptable range. If
no, contact the local power
operator. If yes, log in to the
mobile phone app, SmartLogger,
or NMS to modify the grid
overfrequency protection
threshold with the consent of the
local power operator.
2037
Grid
Underfreq
uency
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 SUN2000
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the grid frequency
is within the acceptable range. If
no, contact the local power
operator. If yes, log in to the
mobile phone app, SmartLogger,
or NMS to modify the grid
underfrequency protection
threshold with the consent of the
local power operator.
2038
Unstable
Grid
Frequency
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 SUN2000
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
acceptable range. If not, contact
the local power operator.