Huawei FusionModule800, Maintenance Manual

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FusionModule800 Smart Small Data Center
Maintenance Guide
4 Troubleshooting
Issue 02 (2016-11-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18
Symptom Possible Cause Measure
The ATS controller screen
cannot be turned on.

The controller is not
powered on.
 The controller breaks
down.
 The fuse inside the
controller is damaged.

Check that the cable
terminal on the top of the
controller has been
inserted.
 Power off the ATS
upstream for 5 minutes,
restart the controller, and
check whether the screen
is on.

The controller fuse is
blown and the controller
needs to be replaced.
The alarm indicator on the
ATS is on and the ATS
failed to connect to power
source 1 or 2.  The ATS signal cable is
loose.
 The ATS control loop
switch is not turned on.

The ATS fuse has blown.

The fault information
displayed on the
controller is not cleared.
 The ATS handle is not
pulled out.
 Connect and secure the
ATS signal cable.
 Turn on the ATS control
loop switch.

Replace the blown ATS
fuse.
 Rectify faults for the
controller.
 Remove the ATS handle.
The ATS button mode and
automatic mode fail. Only
the manual mode can be
used.  Mains 1 has no voltage.
 The phase sequence of
mains 2 is wrong.

The power source of the
motor operation
mechanism is abnormal
and the fuse of the
control loop has blown.
 The signal cable on the
controller is not secured.
 Check that mains 1 has
voltage.

Check and rectify the
phase sequence of mains
2.
 Replace the fuse by
referring to
5.2.2
Replacing a Fuse .
 Check that the signal
cable on the controller is
securely connected.