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.
53
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
The onsite ambient
temperature is too
low.
The air supply
temperature is
set too low.
Verify that the
temperature and
humidity settings are
consistent with the
settings specified in the
cooling system initial
parameter configuration
manual.
The onsite
temperature is
normal.
The T/H sensor
is faulty.
Replace the remote T/H
sensor for an air
conditioner.
4.9 Humidity Alarms
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
Humidity
too high
Gener
al
The onsite humidity
is normal.
The T/H sensor
is faulty.
Replace the remote T/H
sensor for an air
conditioner.
The humidity
threshold is not
properly set.
Verify that the
temperature and
humidity settings are
consistent with the
settings specified in the
cooling system initial
parameter configuration
manual.
The onsite humidity
is too high.
The load ratio is
too low.
Shut down some air
conditioners.
Humidity
too low
Warni
ng
The onsite humidity
is normal.
The T/H sensor
is faulty.
Replace the remote T/H
sensor for an air
conditioner.