Troubleshooting - Huawei SmartACU2000D User Manual

SmartACU2000D Smart Array Controller
User Manual (With PID Modules)
Check Item
Electrical
connections
Grounding
reliability

7.2 Troubleshooting

Symptom
The three-phase input switch
of the SACU is not powered
on.
The input switch (QF01 or
QF02) of the PID module is
not powered on.
The PID module of the SACU is
not powered on.
Issue 05 (2023-09-26)
Check That
● Cables are secured.
● Cables are intact and especially the parts touching
the metallic surface are not scratched.
● Idle waterproof connectors are plugged and the
locking caps are tightened.
● The cover on the USB port is tightened.
All ground cables are reliably connected.
Cause
1. The power supply to the
upstream transformer
station of the three-phase
input switch is abnormal.
2. The three-phase input
switch is faulty.
1. The input switch of the PID
module is faulty.
2. The cable between the
three-phase input switch
and the input switch of the
PID module is loose or
disconnected.
1. The grid three-phase input
ports for the PID module
are disconnected from
cables or loosely connected
to cables.
2. The power grid is
disconnected from power.
3. The PID module is faulty.
Copyright © Huawei Technologies Co., Ltd.
7 System Maintenance
Maintenance
Interval
Once every twelve
months
Once every twelve
months
Troubleshooting
1. Use a multimeter to check
whether the power supply
to the upstream
transformer station of the
three-phase input switch is
normal.
2. Replace the three-phase
input switch.
1. Replace the input switch of
the PID module.
2. Check the cable between
the three-phase input
switch and the input switch
of the PID module. If the
cable is loose or
disconnected, secure it.
1. If the cable is loose or
disconnected, secure it.
2. Check whether power is
available to the power grid.
3. Contact the dealer or
Huawei technical support.
80