Huawei PV+ESS+Charger Solution - Connecting to a Charger

No. Component Alarm Name Alarm
Sev
erity
Possible
Cause
Suggestion
17 Meter Communicati
ons Failure
Major The possible
causes are as
follows:
1. The
conguration
in the direct
connection
scenario is
incorrect.
2. The router
connection or
conguration
is abnormal.
Scenario 1: FE meter directly
connected to the charger
through a network cable
1. Set the network connection
mode of the charger to WLAN
(Quick settings > Connection
mode).
2. Restart the charger.
3. Replace the charger.
Scenario 2: FE meter connected
to a router.
1. Check that the charger is
connected to the router.
2. Check that the meter is
properly connected to the
router.
3. Enable the DHCP function on
the router.
4. Restart the charger.
5. Replace the charger.
Scenario 3: RS485 meter and
Dongle connected to a router
1. Check that the charger is
connected to the router.
2. Check that the Dongle is
properly connected to the
router.
3. Enable the DHCP function on
the router.
4. Check that the Modbus
interface of the Dongle is
enabled.
5. Restart the charger.
6. Replace the charger.
5.2
Connecting to a Charger
1. Log in to the FusionSolar app and tap Me > Device Commissioning.
2. Tap Charger and connect to the WLAN of the charger as prompted.
PV+ESS+Charger Solution
User Manual 5 Maintenance
Issue 02 (2023-01-13) Copyright © Huawei Technologies Co., Ltd. 70