F22
Crash stop (if there is a stop button)
F23
AC leakage current is transient over current
F24
DC insulation impedance failure
F25
DC reverse irrigation failure
F26
The DC busbar is unbalanced
F27
DC end insulation error
F28
Inverter 1 DC high fault
F29
AC load switch failure
F30
AC main contactor failure
F31
AC secondary contactor failure
F32
Inverter 2 DC high fault
F33
AC over current
F34
AC current over load
F35
No AC grid
F36
AC grid phase error
F37
AC three-phase voltage imbalance failure
F38
AC three-phase current imbalance failure
F39
AC over current
F40
DC over current
F41
AC Line W,U over voltage
F42
AC Line W,U low voltage
F43
AC Line V,W over voltage
F44
AC Line V,W low voltage
F45
AC Line U,V over voltage
F46
AC Line U,V low voltage
F47
AC Over frequency
F48
AC lower frequency
F49
U phase grid current DC over current
F50
V phase grid current DC over current
33