Huawei EMMA Pro - Powering on the EMMA

6.2 Powering On the EMMA
D ANGER
● Wear personal protective equipment and use dedicated insulated tools to avoid
electric shocks or short circuits.
NO TICE
Before the equipment is put into operation for the rst time, ensure that the
parameters are set correctly by professional personnel. Incorrect parameter
settings may result in noncompliance with local grid connection requirements and
aect 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
Status Description
Running
status
indicator
O The EMMA is not powered on.
Steady green The EMMA is powered on and running.
Alarm
indicator
O No alarm is raised.
Blinking red
slowly (on for 1s
and then o for
4s)
A warning or minor alarm is generated.
Blinking red fast
(on for 0.5s and
then o for
0.5s)
A major alarm is generated.
Steady red A critical alarm is generated.
EMMA-(A01, A02)
User Manual 6 Power-On and Commissioning
Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd. 41