34
F51
W phase grid current dc over current
F52
AC inductor A, phase current dc current high
F53
AC inductor B, phase current dc current high
F54
AC inductor C, phase current dc current high
F55
DC busbar voltage is too high
F56
DC busbar voltage is too low
F57
AC reverse irrigation
F58
AC grid U over current
F59
AC grid V over current
F60
AC grid W over current
F61
Reactor A phase over current
F62
Reactor B phase over current
F63
Reactor C phase over current
F64
IGBT heat sink high temperature
Table9.1 Troubleshooting
9.1 Troubleshooting
F41-F48
Check AC connection
F35
Check grid voltage
F37,F38
Check grid voltage and reset inverter
F55,F56
Check PV string voltage
F26
Reset inverter or contact distributor
F14,F15
Reset inverter or contact distributor
F21,F23
Check PV string or AC connection
F39,F40
Check if voltage is too high
F64
Check inverter ambient condition
Communication failure
Reset inverter
Other error code
Reset inverter or contact distributor
Table9.2 Troubleshooting