Solar Hybrid Inverter V1.0
31
6.2 Meaning of Fault Code
Fault Code
Fault
Whether the output
is affected
Description
【01】
BatVoltLow
Yes
Battery under-voltage alarm
【02】
BatOverCurrSw
Yes
Software protection of battery discharge
average overcurrent
【03】
BatOpen
Yes
Battery Disconnected Alarm
【04】
BatLowEod
Yes
Battery undervoltage stop discharge alarm
【05】
BatOverCurrHw
Yes
Hardware protection of battery overcurrent
【06】
BatOverVolt
Yes
Charging over-voltage protection
【07】
BusOverVoltHw
Yes
Hardware protection of bus over-voltage
【08】
BusOverVoltSw
Yes
Software protection of bus over-voltage
【09】
PvVoltHigh
No
PV over-voltage protection
【10】
PvBoostOCSw
No
Boost overcurrent software protection
【11】
PvBoostOCHw
No
Boost overcurrent hardware protection
【12】
bLineLoss
No
Mains Power failure
【13】
OverloadBypass
Yes
Bypass overload protection
【14】
OverloadInverter
Yes
Inverter overload protection
【15】
AcOverCurrHw
Yes
Hardware protection of inverter overcurrent
【16】
-
-
-
【17】
InvShort
Yes
Inverter short-circuiting protection
【18】
-
-
-
【19】
OverTemperMppt
No
Over-temperature protection of PV heat
sink
【20】
OverTemperInv
Yes
Over-temperature protection of inverter
heat sink
【21】
FanFail
Yes
Fan failure
【22】
EEPROM
Yes
Memory failure
【23】
ModelNumErr
Yes
Model setting error
【26】
Rlyshort
Yes
Inverter AC output back-feed to bypass AC
output
【29】
BusVoltLow
Yes
Low bus voltage protection
【57】
LeakageCurrOver
Yes
Leak current OOS protection