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Installation guide / User manual
AX Plus 5-15kW 3ph Hybrid Inverter
Fault Code
PV voltage out of range.
Pv Volt Fault
• Please check the output voltage of PV panels.
PV input current high detected by software.
SW Pv Cur
Fault
• Disconnect PV, grid and battery, then reconnect.
The inverter temperature is high.
Temp Fault
• Please check if the environment temperature.
• Wait for a while to check if back to normal.
The ground connection is failed.
• Check the voltage of neutral and PE.
Ground
Fault
• Check AC wiring.
• Disconnect PV, grid and battery, then reconnect.
Over load in on grid mode.
Over Load
Fault
• Please check if the load power exceeds the limit.
Over load in off grid mode.
Eps Over
Load
• Please check if the eps load power exceeds the limit.
The battery power is low.
Bat Power
Low
• Wait the battery to be recharged.
Bus voltage out of range detected by hardware.
HW Bus Vol
Fault
• Disconnect PV, grid and battery, then reconnect.
PV input current high detected by hardware.
HW Pv Cur
Check whether PV positive and negative are connected.
Fault
• Disconnect PV, grid and battery, then reconnect.
Battery current high detected by hardware.
HW Bat Cur
Fault
• Disconnect PV, grid and battery, then reconnect.
The communication between master and manager is fail.
SCI Fault
• Disconnect PV, grid and battery, then reconnect.
The communication between master and slave is fail.
MDSP SPI
Fault
• Disconnect PV, grid and battery, then reconnect.
The master sample detection circuit is failed.
MDSP Smpl
Fault
• Disconnect PV, grid and battery, then reconnect.
Residual current detection device is failed.
Res Cur HW
Fault
• Disconnect PV, grid and battery, then reconnect.
The inverter eeprom is fault.
Inv EEPROM
Fault
• Disconnect PV, grid and battery, then reconnect.
The PV connection is reversed.
PvCon Dir
• Check if the positive pole and negative pole of PV are correctly
Fault
Page 134
connected.
Solution
atx054en0225
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