FusionModule1000A20 CT Solution
Maintenance Guide
4 Alarms and Faults
Issue 01 (2019-02-25)
Copyright © Huawei Technologies Co., Ltd.
52
Fault Category
Alarm Severity
Possible Cause
Operation
A phase is open or
the phase sequence
is incorrect.
Check whether the
power cable is
connected in the
correct phase
sequence.
After a fire alarm is generated, the air conditioner automatically stops working, and the LCD
displays Ed1. You need to manually power off and power on (or disconnect and reconnect the
power supply) the air conditioner to restart it.
4.3 Monitoring System Alarms
4.3.1 ECC800 Main Control Module Alarms
Alarm Name
Alarm
Severity
Possible Cause
Solution
RF_Z breakdown
Major
1.
The RF_Z software
version is incorrect.
2.
The RF_Z function is
unavailable.
1.
Upgrade the ECC800
software by following
the upgrade guide.
2.
Refer to
ECC800 Data
Center Controller
V100R001C30 User
Manual
to replace the
ECC800 main control
module.
Operation log full
Informati
on
The storage space
occupied by run logs has
reached the upper limit.
Export log files by
following the operation
guide.
Run log full
Informati
on
The storage space
occupied by run logs has
reached the upper limit.
Export log files by
following the operation
guide.
Micro-Module
security certificate
about to expire
Informati
on
The network security
certificate is about to
expire.
Apply for a new network
security certificate
promptly and change the
existing one.