Huawei SUN2000-50KTL-ZHM3 - Page 85

ID Name Severity Cause Solution
2036 Grid
overfreq
uency
Major Cause ID = 1
Power grid exception: The
actual power grid
frequency is higher than
the requirements for the
local power grid code.
1. If the alarm occurs
occasionally, the power grid
may be abnormal
temporarily. The inverter
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm persists, check
whether the power grid
frequency is within the
acceptable range. If not,
contact the local power
operator. If yes, modify the
grid overfrequency protection
threshold through the app,
SmartLogger, or NMS with
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
requirements for the local
power grid code.
1. If the alarm occurs
occasionally, the power grid
may be abnormal
temporarily. The inverter
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm persists, check
whether the power grid
frequency is within the
acceptable range. If not,
contact the local power
operator. If yes, modify the
grid underfrequency
protection threshold through
the app, SmartLogger, or
NMS with the consent of the
local power operator.
SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual 8 Maintenance
Issue 05 (2023-02-28) Copyright © Huawei Technologies Co., Ltd. 77