Huawei JUPITER-3000K-H1 Smart User Manual page 135

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
Alar Alarm
m ID Name
2334 Cooling
System
Fault in
Medium-
Voltage
Room
2335 T/H Sensor
Fault in
Medium-
Voltage
Room
2336 Medium-
Voltage
Room Door
Opening
2337 High-
Configurati
on Relay
Protection
Power Fault
Issue 02 (2023-09-30)
Alarm Possible Cause
Severity
Major 1. The heat exchanger
fan for the
medium-voltage
room is faulty.
2. The power supply
to the fan is
interrupted.
3. Both T/H sensors
for the medium-
voltage room are
faulty.
4. The communication
is interrupted
between the T/H
sensor and the
monitoring device.
Warning 1. The T/H sensor is
faulty.
2. The
communications
cable between the
T/H sensor and the
monitoring device
is in poor contact
or damaged.
Warning 1. The door of the
medium-voltage
room is open.
2. The threshold
switch is faulty.
Major 1. The relay protection
power supply in the
medium-voltage
room is
unavailable.
2. The relay protection
in the medium-
voltage room is
damaged.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
Suggestion
1. Check whether the fan is faulty. If
yes, replace the fan.
2. Check whether the fan port of the
monitoring device has a 48 V
voltage. If no, replace the
monitoring device or PSU.
3. Check whether the T/H sensor is
faulty. If yes, replace the sensor.
4. Check whether the
communication between the T/H
sensor and the monitoring device
is abnormal or whether the RS485
cable is damaged. If yes, rectify
the fault.
5. If the fault persists, contact your
dealer or technical support.
1. Check whether the T/H sensor is
faulty. If yes, replace the sensor.
2. Check whether the
communications cable between
the T/H sensor and the
monitoring device is loose,
disconnected, or damaged. If yes,
reconnect the communications
cable.
3. If the fault persists, contact your
dealer or technical support.
1. Check whether the end door is
open. If yes, close the door.
2. Check whether the threshold
switch is faulty. If yes, replace the
switch.
3. If the fault persists, contact your
dealer or technical support.
1. Check whether the power supply
loop of the ring main unit is
normal. If no, repair the power
supply loop.
2. Check whether the relay
protection in the medium-voltage
room is damaged. If yes, replace
the relay protection.
3. If the fault persists, contact your
dealer or technical support.
127