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EMMA-(A01, A02)
User Manual
6.2 Powering On the EMMA
● Wear personal protective equipment and use dedicated insulated tools to avoid
Before the equipment is put into operation for the first time, ensure that the
parameters are set correctly by professional personnel. Incorrect parameter
settings may result in noncompliance with local grid connection requirements and
affect the normal operations of the equipment.
Procedure
Step 1 Turn on the main circuit breaker between the EMMA and the grid.
Step 2 Turn on the AC switch between the EMMA and the inverter.
Step 3 Observe the LED indicators on the EMMA to check its running status.
Table 6-1 LED indicator description
Indicator
Running
status
indicator
Alarm
indicator
Issue 05 (2024-01-19)
D ANGER
electric shocks or short circuits.
NO TICE
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
Copyright © Huawei Digital Power Technologies Co., Ltd.
6 Power-On and Commissioning
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.
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