FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
5 Alarms and Faults
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
72
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
continuously
comes into the
humidifier
cylinder.
humidifier several times.
If the problem persists,
replace the water inlet
electromagnetic valve.
The humidifier
circuit breaker
trips
automatically.
1.
Start the humidifier
and check its current.
The humidifier
current should not
exceed 4 A in normal
operation. If the
current exceeds 6 A,
the humidifier circuit
breaker automatically
trips.
2.
If the current is
normal, check that the
current transformer
and its cables are in
good condition.
The water level
decreases
gradually, but
the humidifier
cylinder does
not work and no
manual drainage
is in progress.
Manually start the
drainage valve several
times. If the problem
persists, replace the
drainage valve.
The humidifier
cylinder
overflows.
Clean the water outlet
and check that the
high-level sensor cables
are in good condition.
Water fails to
come into the
humidifier
cylinder.
Check that the front
water supply valve is
open.
Check that the water
intake
electromagnetic valve
is open when
humidification is
enabled.
Replace the
humidifier controller.