Troubleshooting - Alpha ESS SMILE-T10-HV-INV User Manual

Your Smart Energy

7.2 Troubleshooting

7.2.1 Inverter Error Troubleshooting
Error Error description
No.
100000 Grid_OVP
100001 Grid_UVP
100002 Grid_OFP
100003 Grid_UFP
100005 BUS_OVP1
100006 BUS_OVP2
100007 Insulation_fault
100008 GFCI_fault
100009 Leakage current test failure
100010 Grid_relay_fault
100011 Over_Temperature
100014 M_S_com_fault
100038 Output_DC_over_current
100043 Output_overload
100044 APU_UVP
100046 DC_Input_Disturbance
100047 Grid disturbance
100048 Grid_unbalance
100049 Frequency_jitter
100050 Grid_overcurrent
100051 Grid_current_track_fault
100052 Backup_ovp
100053 Dc_bus_unbalancevolt
100054 Dc_bus_undervolt
100055 Dc_bus_unbalancevolt2
100056 IGBT_over_current
100057 Grid_disturbance2
100058 AFCI_check_protect
___________________________________________________________________
Page 34 of 43
Solution
1. Check whether Grid is abnormal.
2. Confirm whether the grid cable connection
is normal.
3. Restart inverter and ensure whether the
fault is existing.
Restart inverter and ensure whether the fault
is existing.
1.Check whether PV cable connection is
reliable.
2.Check whether PV cable is damaged.
Restart inverter and ensure whether the fault
is existing.
1. Check whether the environment around
inverter is with poor heat dissipation.
2. Confirm whether inverter installation meet
the installation requirements.
Restart System and ensure whether the fault
is existing.
1. Check whether Backup load is overload.
2. Restart inverter and confirm whether the
fault is existing.
Restart System and ensure whether the fault
is existing.
1. Check whether Grid is abnormal.
2. Confirm connection of gird cable is nor-
mal.
3. Restart inverter and ensure whether the
fault is existing.
Restart inverter and ensure whether the fault
is existing.
1. Check whether Backup port cable is nor-
mal.
2. Restart inverter and confirm whether the
fault is existing.
Restart inverter and ensure whether the fault
is existing.
Restart inverter and ensure whether the fault
is existing.
1. Confirm whether Grid is distorted severely.
2.Check whether PV cable connection is reli-
able.
1.Check whether PV cable connection is
reliable.
Alpha ESS Co., Ltd.