Alarm
ID
Alarm
Name
Alarm
Severity
Possible Cause Suggestion
2086 External
Fan
Abnorma
l
Major Cause ID = 1–3: FAN 1–3
The external fan is short-circuited,
the power supply is insucient,
or the air channel is blocked.
1. Shut down the fan, turn
o the DC switch, check
whether the fan blades
are damaged, and clear
the foreign matter around
the fan.
2. Reinstall the fan, turn on
the DC switch, and wait
for the solar inverter to
start. If the fault persists
after 15 minutes, replace
the external fan.
2087 Internal
Fan
Abnorma
l
Major Cause ID = 1
The internal fan is short-circuited,
the power supply is insucient,
or the fan is damaged.
Turn o the AC output switch
and then the DC input switch.
Turn them on after 5 minutes
and wait for the solar
inverter to connect to the
power grid. If the fault
persists after 5 minutes,
contact your dealer or
technical support for
replacement.
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 8 Maintenance
Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. 128
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