Huawei SUN2000-100KTL Series User Manual page 127

SUN2000-(100KTL, 110KTL, 125KTL) Series
User Manual
Alarm Alarm
ID Name
2086 External
Fan
Abnorm
al
2087 Internal
Fan
Abnorm
al
2088 Abnorm
al DC
Protecti
on Unit
61440 Faulty
Monitor
ing Unit
Issue 07 (2020-09-15)
Alarm Possible Causes
Severit
y
Major Cause ID = 1–3: FAN 1–3
The external fan is short-circuited,
the power supply is insufficient, or
the air channel is blocked.
Major Cause ID = 1
The internal fan is short-circuited,
the power supply is insufficient, or
the fan is damaged.
Major Cause ID = 1
The fuse is not in position or is
blown.
Cause ID = 2
The two relays on the breaking
board are open-circuited.
Minor Cause ID = 1
1. The flash memory is
insufficient.
2. The flash memory has bad
sectors.
NO TE
If you cannot rectify faults with the measures listed in the Suggestions column, contact
your dealer or Huawei technical support.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Suggestions
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 solar inverter to start.
If the fault persists after 15
minutes, replace the
external fan.
Turn off 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, contact
your dealer or Huawei
technical support.
Turn off 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, contact
your dealer or Huawei
technical support.
Turn off the AC output switch
and DC input switch, and then
turn them on after 15
minutes. If the fault persists,
replace the monitoring board
or contact your dealer or
Huawei technical support.
119