FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
4 Alarms and Faults
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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4.11 Access Alarm
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
Access
alarm
Critica
l
The door status
cannot be controlled.
The access
controller is
faulty.
Verify the access
controller cable
connections, or replace
the access controller.
The access card
cannot be read.
The access card
is damaged.
Prepare a new access
card and assign the
access permission.
The card reader
is faulty.
Verify the card reader
cable connections, or
replace the end door card
reader.
4.12 Water Intrusion Alarm
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
Water
Intrusion
Alarm
Gener
al
There is no water
onsite.
The water
sensor is faulty.
Replace the water sensor
(point type).
There is water
onsite.
A pipe is
damaged.
Contact Huawei
technical support.
A humidity
water refill pipe
is damaged.
Replace the humidifier
water refill pipe for a
precision air conditioner.
The condensate
drainpipe is
damaged.
Replace the condensate
drainpipe of a precision
air conditioner.
The condensate
drainpipe is
blocked.
Remove the drainpipe
outside the pre-fab.
module, and dig out the
material blocking the
pipe using a thin iron
wire.