Huawei EMMA-A01 User Manual page 54

EMMA-(A01, A02)
User Manual
Alarm Alarm Name
ID
4010 Management
System
Certificate
About to
Expire
4011 App
Certificate
Invalid
4012 App
Certificate
About to
Expire
4013 BackupBox
Overload
4014 On-/Off-Grid
Switching
Signal
Abnormal
4015 Smart Switch
Communicati
on Error
Issue 01 (2023-09-15)
Severity Possible Cause
Warning 1. The device time
is incorrectly set.
2. The certificate is
about to expire.
Minor 1. The device time
is incorrectly set.
2. The certificate
file is abnormal
or incorrect.
Warning 1. The device time
is incorrectly set.
2. The certificate is
about to expire.
Major The power of
appliances is too
high.
Major The cable
connection between
the BackupBox and
inverter is
abnormal.
Major The cable
connection to the
smart switch is
abnormal.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
1. Check whether the device time is
incorrectly set. If yes, reset or
synchronize the system time.
2. Contact your vendor or technical
support to apply for a new
certificate file and load it.
1. Check whether the device time is
incorrectly set. If yes, reset or
synchronize the system time.
2. Contact your vendor or technical
support to apply for a new
certificate file and load it.
1. Check whether the device time is
incorrectly set. If yes, reset or
synchronize the system time.
2. Contact your vendor or technical
support to apply for a new
certificate file and load it.
Check whether high-power
appliances are started. If yes, shut
them down.
1. Check the DO cable between the
BackupBox and inverter. If the
cable is loose or disconnected,
securely connect it.
2. If the alarm is not automatically
cleared after the cable
connection fault is rectified, you
need to manually clear the
alarm on the app.
1. Access the monitoring menu on
the app and locate the smart
switch experiencing abnormal
communication based on the
device status indicator.
2. Check whether the FE cable or
Wi-Fi connection between the
smart switch and router is
normal.
7 Maintenance
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