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N1-HV/AC Series
User Manual
AD Sample Fault
EPS Over Load
Over Load Fault
PV Cnf Fault
Bat Low Fault
ByPassRelayFault
SPI CommFault
BMS_Lost
Inter Fan Fault
AC HCT Fault
Inv EEPROM Fault
GFCI HW Fault
EPS Relay Fault
Grid Relay Fault
Other Dev Fault
The sample value between master and slave is not consistent.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Over load in off grid mode.
• Please check if the eps load power exceeds the limit.
• Or seek for help from us.
Over load in on grid mode.
• Please check if the load power exceeds the limit.
• Or seek for help from us.
PV Connection Setting Fault
• Resetting the PV connection.
• Or seek help from us, if cannot go back to normal state.
The battery power is low.
• Wait the battery to be recharged.
• Or seek for help from us.
By pass relay fault
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
The communication between master and slave fault
•Disconnect solar power PV+ , PV- and battery, reconnect them.
•Or seek help from us, if cannot go back to normal state.
The communication between BMS and Inverter is interrupted.
• Check if the communication cable between BMS and Inverter is correctly and well
connected.
Fan Device Fault
• Disconnect solar power PV+ , PV- and battery, reconnect them.
• Check if the fan is stopped by dust or other foreign.
• Or seek help from us, if cannot go back to normal state.
AC Current Sensor Fault
• Disconnect solar power PV+ , PV- and battery, reconnect them.
• Or seek help from us, if cannot go back to normal state.
The master eeprom is fault.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
The EPS relay always keep open.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
The grid relay always keep close.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Other device fault.
• Turn off the PV, battery and grid , reconnect them.
• Or seek for help from us if cannot back to normal.
The residual current circuit is fault.
• Please check if the insulation of electric wires is damaged.
• Wait for a while to check if back to normal.
• Or seek for help from us.
Mgr EEPROM Fault
Meter Lost Fault
Dsp Lost Fault
BMS IN_COM Fault
BMS Relay Fault
BMS Pre Chg Fault
BMS Protect OV
BMS Protect LV
BMS Protect ChrOC
BMS Protect DishargeOC
BMS Protect TemHigh
BMS Protect TemLow
The manager eeprom is fault.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
The communication between meter and Inverter is interrupted.
• Check if the communication cable between meter and Inverter is correctly and well
connected.
SCI communication fault
•Disconnect solar power PV+ , PV- and battery, reconnect them.
•Or seek help from us, if cannot go back to normal state.
BMS internal communication fault.
• Disconnect battery, check wiring between inverter and battery
，
battery internal
wiring then reconnect.
• Or seek help from us, if not go back to normal state.
The battery relay is fault.
• Disconnect battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Battery pre-charge fault
• Disconnect battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Battery over voltage protect
• Wait for 5 minutes,, check again.
• Or seek help from us, if not go back to normal state.
Battery under voltage protect
• Wait for 5 minutes,, check again.
• Or seek help from us, if not go back to normal state.
Battery over current charging protect
• Wait for 5 minutes,, check again.
• Or seek help from us, if not go back to normal state.
Battery over current discharging protect
• Wait for 5 minutes,, check again.
• Or seek help from us, if not go back to normal state.
Battery temperature is high
• Wait for 5 minutes,, check again.
• Or seek help from us, if not go back to normal state.
Battery temperature is low
• Wait for 5 minutes,, check again.
• Or seek help from us, if not go back to normal state.
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N1-HV/AC Series
User Manual
