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10-527-1 MN3024DIY REV A
MN3024DIY
User Manual
6.2 Fault code meaning
Fault code
Fault name
Output Affected?
Description
【01】
BatVoltLow
Yes
Battery undervoltage alarm
【02】
BatOverCurrSw
Yes
Battery discharge average current
overcurrent software protection
【03】
BatOpen
Yes
Battery not -connected alarm
【04】
BatLowEod
Yes
Battery undervoltage stop discharge alarm
【05】
BatOverCurrHw
Yes
Battery overcurrent hardware protection
【06】
BatOverVolt
Yes
Charging overvoltage protection
【07】
BusOverVoltHw
Yes
Bus overvoltage hardware protection
【08】
BusOverVoltSw
Yes
Bus overvoltage software protection
【09】
PvVoltHigh
No
PV over
voltage protection
【10】
PvBuckOCSw
No
Buck overcurrent software protection
【11】
PvBuckOCHw
No
Buck overcurrent hardware protection
【12】
bLineLoss
No
Mains power down
【13】
OverloadBypass
Yes
Bypass overload protection
【14】
OverloadInverter
Yes
Inverter o verload protection
【15】
AcOverCurrHw
Yes
Inverter overcurrent hardware protection
【17】
InvShort
Yes
Inverter short circuit protection
【19】
OverTemperMppt
No
Buck heatsink
over temperature protection
【20】
OverTemperInv
Yes
Inverter heatsink
over temperature protection
【21】
FanFail
Yes
Fan failure
【22】
EEPROM
Yes
Memory failure
【23】
ModelNumErr
Yes
Model setting error
【26】
RlyShort
Yes
Inverted AC Output Backf
eed
to Bypass AC
Input
【29】
BusLow
Yes
Internal battery boost circuit failure