Troubleshooting The Asd - Huawei FusionModule1000A40 Maintenance Manual

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Alarm Alarm
Indicator Type
Name
Low pres Fault
fault alarm
Tell tale Action
alarm

4.2 Troubleshooting the ASD

Table 4-2 Troubleshooting the ASD power supply
Check Item
Check whether the
sampling pipe is cracked.
Check whether the
sampling pipe is blocked.
Check whether dust
accumulates in the filter
box.
Issue 04 (2021-02-10)
Alarm System Action
Severity
Major
Major Extinguishant
release countdown
starts.
Check Content
Sampling pipe
Sampling holes in the
middle and at the
end of the pipe
Filter box
Copyright © Huawei Technologies Co., Ltd.
4 Common Faults and Troubleshooting Measures
Possible
Causes
If Low pres is
faulty, the
Flooding Zone
Fault will also
appear on the
panel. The
cause is a short
circuit or open
circuit of the
external
pneumatic
switch.
The Tell tale
mode has been
enabled
because the
manual release
button on the
control panel
has been
pressed.
Expected Troubleshooting
Result
The pipe is not Replace the pipe.
cracked.
The pipe is not Clean the sampling pipe.
blocked.
There is no dust Clean or replace the filter.
accumulation.
Solution
To clear the alarm,
press the W/DOG
RESET or PROC
RESET button.
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