Huawei IDS1000-A Maintenance Manual page 77

IDS1000-A Air-Cooled Container Data Center
All-in-One Maintenance Guide
Fault
Category
For other alarms generated for the 35 kW air-cooled precision air conditioner, see the air conditioner
user manual.
Issue 01 (2016-01-10)
Alarm Symptom
Severity
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Possible Troubleshooting
Cause
1. Start the humidifier
The humidifier
and check its
circuit breaker
current. The
trips
humidifier current
automatically.
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 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
humidifier is open.
cylinder.
 Check that the water
intake
electromagnetic
valve is open when
humidification is
enabled.
 Replace the
humidifier
controller.
4 Alarms and Faults
69