IDS1000-A Air-Cooled Container Data Center
All-in-One Maintenance Guide
4 Alarms and Faults
Issue 01 (2016-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
69
Fault
Category
Alarm
Severity
Symptom
Possible
Cause
Troubleshooting
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.
For other alarms generated for the 35 kW air-cooled precision air conditioner, see the air conditioner
user manual.