SmartACU2000B smart array controller
User Manual (with PID modules, 800 V AC)
7 System Maintenance
Issue 05 (2019-01-20)
Copyright © Huawei Technologies Co., Ltd.
89
No.
Symptom
Cause
Troubleshooting
7
The SmartLogger of
the smart array
controller is not
powered on.
1.
The DC output power cable for
the power adapter is not
connected to the 12V IN port of
the SmartLogger.
2.
The power cable is not connected
to the AC power receiving port of
the power adapter.
3.
The AC input power cable is not
connected to the AC socket.
4.
The power adapter is faulty.
5.
The SmartLogger is faulty.
1.
Check the power adapter and
connect the DC output power
cable for the power adapter to the
12V IN port of the SmartLogger.
2.
Check whether the power cable is
connected to the AC power
receiving port of the power
adapter.
3.
Check whether the power cable is
connected to the AC socket.
4.
Replace the power adapter.
5.
Contact the dealer or Huawei
technical support.
7.3 Component Replacement
Before replacing a component, power off the smart array controller by following the
instructions in
to ensure that the smart array controller is
de-energized and will not cause personal injury.
After disconnecting the power supply, wait at least 3 minutes and then replace a
component.
After replacing a component, check the smart array controller by following the
instructions in
, and then power on the smart array
controller by following the instructions in
. After that, check
that the replacement component works properly.
For the component positions, see
Dispose of faulty components in accordance with the local disposal act for waste
electrical equipment.
7.3.1 Replacing the Single/Three-Phase SPD
Prerequisites
The SPD is faulty.
A spare SPD of the same model is available and functional.
If an SPD is damaged or its indication window is displayed in red, the SPD is deemed unavailable and
needs to be replaced.
Context
A single-phase SPD is replaced in the same way as a three-phase SPD. The following describes how to
replace a single-phase SPD.
An SPD consists of a surge protection module and a base.