Appear
ance
Denition Triggering
Method
Description
Human-
machine
account
password
restoration
Hold down
the button
for 10s to
60s.
● Restore the login passwords of the
human-machine accounts, such as
local installer and user accounts to the
initial passwords.
● Reset the login password of the local
WiFi AP.
Factory
settings
restoration
Hold down
the button
for more
than 60s.
The EMMA restarts and restores factory
settings.
NOTICE
All data except communication networking
parameters, historical alarms, and
performance data will be restored to factory
settings. Exercise caution when performing this
operation.
2.4 Label Description
Enclosure Labels
Table 2-4 Enclosure labels
Symbol
Name Meaning
High voltage warning
label
Be careful of electric
shocks at high voltage.
Device information ● SN: serial number.
● REGKEY: registration
code for registering
the FusionSolar
Smart PV
Management
System
(SmartPVMS) on
the app.
● SSID: WLAN hotspot
name.
● PSW: password for
logging in to the
WLAN.
EMMA-(A01, A02)
User Manual 2 Product Description
Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd. 18