Maintenance and Troubleshooting
20
fault is existing.
100009
Leakage current test
failure
100010
Grid_relay_fault
100011
Over_Temperature
1. Check whether the environment around
inverter is with poor heat dissipation.
2. Confirm whether inverter installation
meet the installation requirements.
100014
M_S_com_fault
Restart the inverter and check whether the
fault is existing.
100017
MPPT1_OVP
Check the PV1 voltage. If it exceeds
585VDC, reduce the number of PV
modules.
100018
MPPT1_SW_OCP
1. Try to reduce the PV power.
2. Restart the inverter to see if the fault
still exists. If it still exists, please call the
service center.
100019
MPPT1_HW_OCP
100020
MPPT1_OTP
1. Try to lower the ambient temperature.
2. Make sure that the inverter is installed
according to the manual and there is no
shelter around the inverter.
3. After the inverter is powered off and
waiting for 30 minutes, then restart it. If
the fault still exists, please call the service
center.
100021
MPPT2_OVP
Check the PV2 voltage. If it exceeds 585V,
reduce the number of PV modules
100022
MPPT2_SW_OCP
1. Try to reduce the PV power.
2. Restart the inverter to see if the fault
still exists. If it still exists, please call the
service center.
100023
MPPT2_HW_OCP
