FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
3 Maintenance
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
24
Maintenance Item Operation
Check Standard
Troubleshooting
Humidifier alarm
Check humidifier
alarms.
The humidifier has
no run overtime
alarm.
solution.
If the phase
current of the
humidifier is
abnormal or the
humidifier
reports a run
overtime alarm,
replace the
humidifier
cylinder by
following
instructions in
NetCol5000-A 20
kW Air-Cooled
In-Row Precision
Air Conditioner
User Manual
.
3.3.3 Monitoring System
Table 3-11
Quarterly maintenance checklist for the monitoring system
Item
Method
Expected
Result
Troubleshooting
Door status
sensor
alarms
Open a door with a
status sensor, and
check the alarm
information
displayed on the
monitoring
software terminal.
The
management
system
generates a
door status
alarm.
Replace the door status sensor If no
alarm is generated.
Access
controller
Check the power
indicator of the
access controller.
The power
indicator is
steady red.
If the power indicator is off, the
power supply to the controller is
abnormal. Immediately switch off
the power input circuit breaker for
the access controller in the PDC to
prevent damaging the controller
chip. Replace the access controller.
Check the running
status indicator of
the access
controller.
The running
status indicator
blinks white
and blue.
If the running status indicator is off,
troubleshoot by following
instructions in documents delivered
with the access controller.
Check the lock
status indicator of
the access
controller.
The lock status
indicator is
steady red.
If the lock status indicator is off, the
electronic lock may be faulty.
Replace the electronic lock.