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