Replacing A Fan - Huawei SUN2000 Series User Manual

SUN2000-(12KTL-25KTL)-M5 Series
User Manual
Alarm Alarm
ID Name
2086 External
fan
abnormal
2090 Abnorma
l active
power
schedulin
g
instructio
n
2091 Abnorma
l reactive
power
schedulin
g
instructio
n

8.4 Replacing a Fan

● Before replacing a fan, power off the inverter.
● When replacing a fan, use insulated tools and wear PPE.
Procedure
Step 1 Remove the fan cover, disconnect fan cables, and remove the faulty fan.
Issue 01 (2022-06-15)
Alarm Possible Causes
Severity
Major Cause ID = 1
The external fan is
short-circuited, the
power supply is
insufficient, or the
air channel is
blocked.
Major Cause ID = 1
● The DI input is
abnormal.
● The DI input is
inconsistent with
the
configuration.
Major Cause ID = 1
● The DI input is
abnormal.
● The DI input is
inconsistent with
the
configuration.
CA UTION
Copyright © Huawei Digital Power Technologies Co., Ltd.
Troubleshooting
1. Shut down the fan, turn off 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 inverter to
start. If the alarm persists after 15
minutes, replace the external fan.
1. Check whether the cables are
connected correctly to the DI ports.
2. On the DI active scheduling screen
under the dry contact scheduling
settings, view the DI signal
configuration mapping table. Contact
the power grid company to check
whether the configurations in the
mapping table are complete and
meet the requirements.
1. Check whether the cables are
connected correctly to the DI ports.
2. On the DI reactive power
scheduling screen under the dry
contact scheduling settings, view the
DI signal configuration mapping
table. Contact the power grid
company to check whether the
configurations in the mapping table
are complete and meet the
requirements.
8 Maintenance
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