User Manual

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10-539-1 MN5048DIY REV -
MN5048DIY
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 Backfeed to Bypass AC
Input
【29】
BusVoltLow Yes Bus Undervoltage Protection