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EMMA-(A01, A02)
User Manual
Indicator Description
Table 2-2 LED indicator description
Indicator
Running
status
indicator
Alarm
indicator
Communic
ation
status
indicator
Button Description
Appear
ance
Issue 01 (2023-09-15)
Status
Off
Steady green
Off
Blinking red
slowly (on for 1s
and then off for
4s)
Blinking red fast
(on for 0.5s and
then off for
0.5s)
Steady red
Off
Blinking green
slowly (on for 1s
and then off for
1s)
Blinking green
fast (on for
0.125s and then
off for 0.125s)
Definition
Triggering
Method
WiFi
Hold down
module
the button
hibernation
for 1s to
and
3s.
wakeup
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
The EMMA is not powered on.
The EMMA is powered on and running.
No alarm is raised.
A warning or minor alarm is generated.
A major alarm is generated.
A critical alarm is generated.
The EMMA has no communication with the
management system.
The communication between the EMMA and
the management system is normal.
The communication between the EMMA and
the management system is interrupted.
Description
When the WiFi access point (AP) is idle
and disabled, you can hold down the
button for 1s to 3s to wake up the WiFi
AP.
2 Product Description
15
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