Huawei SUN2000 User Manual page 155

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Alarm Alarm
ID Name
2063 Overtempe
rature
2064 Device
Fault
Issue 01 (2018-05-21)
Alarm Alarm
Severity Action
Major Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
Major Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
Shutdown,
alarm
reporting
(reset alarm)
Alarm
reporting
Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
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Possible Cause
Cause ID = 1
 The SUN2000 is
installed in a place
with poor
ventilation.
 The ambient
temperature exceeds
the upper threshold.
 The SUN2000 is not
working properly.
Cause ID = 3
An unrecoverable fault
has occurred on a
circuit inside the
SUN2000.
Cause ID = 4
An unrecoverable fault
has occurred on a
circuit inside the
SUN2000.
Cause ID = 5
An unrecoverable fault
has occurred on a
circuit inside the
SUN2000.
Cause ID = 6–7
An unrecoverable fault
has occurred on a
circuit inside the
SUN2000.
Cause ID = 8–13
An unrecoverable fault
has occurred on a
circuit inside the
SUN2000.
8 System Maintenance
Suggestion
 Check the ventilation
and ambient temperature
at the SUN2000
installation position.
 If the ventilation is poor
or the ambient
temperature exceeds the
upper threshold,
improve the ventilation
and heat dissipation.

If the ventilation and
ambient temperature
both meet requirements,
contact your installer.
Turn off the AC output
switch and DC input switch,
wait 5 minutes, and then
turn them on again. If the
fault persists, contact your
installer.
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