User Manual V1.3-2023-01-31 09 Maintenance
45
Type of fault Alarm Troubleshooting
Inverter
Failure
Relay-check Failure
1. Disconnect the DC connector.
2. Reconnect the DC connector.
3. If the problem still exists, please call the local service oce.
DCI High
EEPROM R/W Failure
SPI Failure
DC Bus High
GFCI Failure
Others No display
1. Disconnect the DC switch, take o DC connector, measure the
voltage of PV string.
2. Plug in DC connector, and reconnect DC switch.
3.If the voltage is less than 70 V, please check the PV string
conguration.
4. If the voltage is higher than 180V and still no display please
contact local service oce.
Inverters sold in Australia and New Zealand will also alarm as following when Isolation Fail
occurs.
1. The buzzer in the inverter will sound for 1 minute. If the problem persists, the buzzer
willsound every 30 min.
2. After adding the inverter to SEMS Portal, the alarm information will be emailed to the
customers via SEMS Portal.
Earth Fault Alarm
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