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JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
Alar
Alarm
m ID
Name
2389
PSU
Communica
tion Error
2390
Transforme
r
Maintenanc
e Reminder
Issue 02 (2023-09-30)
Alarm
Possible Cause
Severity
Warning
Cause ID = 1
The communication
between the PSU in
low-voltage cabinet A
and the measurement
and control unit is
abnormal.
Cause ID = 2
The communication
between the PSU in
low-voltage cabinet B
and the measurement
and control unit is
abnormal.
Cause ID = 3
The communication
between the PSU in
the medium-voltage
room and the
measurement and
control unit is
abnormal.
Warning
Cause ID = 1
The maintenance of
the oil temperature
indicator is due.
Cause ID = 2
The maintenance of
the transformer
dehydrating breather
is due.
Cause ID = 3
The transformer oil
inspection is due.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
Suggestion
1. Replace the PSU and check
whether the fault persists.
2. If the fault persists, replace the
subrack module of the measurement
and control system.
3. If the fault persists, contact your
dealer or technical support.
1. Check whether the real-time
temperature of the oil temperature
indicator is normal. If the difference
between the real-time temperature
and the displayed temperature
exceeds 2°C, calibrate the oil
temperature indicator.
2. Check whether the color of the
desiccant in the dehydrating breather
has changed (from blue to pink or
from orange to dark green). If yes,
replace the desiccant in the
dehydrating breather.
3. Perform laboratory test and
chromatographic analysis on the
transformer oil to check whether it
complies with IEC 60296 and IEC
60599.
147
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