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FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
Fault
Category
4.16 ATS Alarm
Fault
Category
ATS
alarm
Issue 04 (2018-01-05)
Alar
Symptom
m
Sever
ity
The SPD circuit
breaker is off.
Alar
Symptom
m
Sever
ity
Warni
The switchover fails.
ng
The motor fuse is
blown.
The ATS cannot be
operated, or an
action does not take
effect.
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Copyright © Huawei Technologies Co., Ltd.
Possible
Troubleshooting
Cause
The SPD is
faulty.
A false alarm is
Switch on the SPD
generated
circuit breaker.
(normally
closed contact).
Possible
Troubleshooting
Cause
The control
Properly connect the
terminals are
terminals.
not properly
connected.
The voltages of
Check the power
both power
supplies, and verify that
supplies are
the voltage of at least
outside of the
one power supply meets
normal working
the requirements.
range.
The fuse has
Contact Huawei
deteriorated.
technical support.
There is a
short-circuit in
the motor, and
the fuse has
blown.
The switch body
is faulty.
4 Alarms and Faults
58
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