Huawei FusionCol8000-E240 User Manual page 179

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A282-02 Power phase sequence
abnormal
Backup power phase
sequence abnormal
Auxiliary cooling
power phase sequence
abnormal
Auxiliary cooling
backup power phase
sequence abnormal
A282-04 Power phase sequence
abnormal
A282-04 Backup power phase
sequence abnormal
Auxiliary cooling
power phase sequence
abnormal
Auxiliary cooling
backup power phase
sequence abnormal
A282-08 Power phase sequence
abnormal
A282-08 Backup power phase
sequence abnormal
Auxiliary cooling
power phase sequence
abnormal
Auxiliary cooling
backup power phase
sequence abnormal
A282-10 Power phase sequence
abnormal
Issue 02 (2021-04-15)
Alarm
Severity
Major
Critical
Major
Critical
Major
Critical
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The phase
sequence of the
power supply is
incorrect.
● The SPD and
voltage detection
board is faulty.
● The power grid is
unstable.
● The phase A input
cable is faulty.
● The power grid is
unstable.
● The phase A input
cable is faulty.
● The power grid is
unstable.
● The phase B input
cable is faulty.
● The power grid is
unstable.
● The phase B input
cable is faulty.
● The power grid is
unstable.
● The phase C input
cable is faulty.
8 System Maintenance
Solution
1. Rectify the phase
sequence of the
power supply.
2. Maintain or replace
the SPD and
voltage detection
board.
1. Check the power
grid.
2. Rectify the fault of
the phase A input
cable.
1. Check the power
grid.
2. Rectify the fault of
the phase A input
cable.
1. Check the power
grid.
2. Rectify the fault of
the phase B input
cable.
1. Check the power
grid.
2. Rectify the fault of
the phase B input
cable.
1. Check the power
grid.
2. Rectify the fault of
the phase C input
cable.
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