IVEM8048-LV
Inverter47 codesF01Bus voltage is too high.Fault
Bus voltage is too high.
AC Surge or internal components failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37F02Bus voltage is too low.Fault
Bus voltage is too low.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37F03Bus soft start fail.Fault
Bus soft start fail.
Internal components failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37F04Inverter soft start fail.Fault
Inverter soft start fail.
Internal components failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37F05Over current or surge detected by Software.Fault
Over current or surge detected by Software.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37F06Over current or surge detected by hardware.Fault
Over current or surge detected by hardware.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37F07Output voltage is too low.Fault
Output voltage is too low.
Reduce the connected load. Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F08Output voltage is too high.Fault
Output voltage is too high.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F09Output short circuited.Fault
Output short circuited.
Wiring not connected well or abnormal load.
Check if wiring is connected well and remove abnormal load.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F10Overload time out.Fault
Overload time out.
Connected load exceeds inverter capacity for an extended time.
Reduce the connected load by switching off some equipment.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F11Battery voltage is too high.Fault
Battery voltage is too high.
Battery spec or quantity does not meet requirements.
Check if spec and quantity of batteries are meet requirements.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F12Over current happen at DC/DC circuit.Fault
Over current happen at DC/DC circuit.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F13PV voltage is too high.Fault
PV voltage is too high.
Too many PV modules in series.
Reduce the number of PV modules in series.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F14Short circuited happen at PV port.Fault
Short circuited happen at PV port.
Wiring not connected well.
Check if wiring is connected well.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F15PV power is abnormal.Fault
PV power is abnormal.
Excessive PV power input.
Reduce the number of PV modules.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F16Over current happen at PV port.Fault
Over current happen at PV port.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F17Fan is locked.Fault
Fan is locked.
Fan wiring problem or fan failure.
Check if wiring is connected well. Replace the fan.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F18Over temperature happen at PV circuit.Fault
Over temperature happen at PV circuit.
The temperature of internal PV component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F19Over temperature happen at Convert L circuit.Fault
Over temperature happen at Convert L circuit.
The temperature of Convert L battery converter component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F20Over temperature happen at INV circuit.Fault
Over temperature happen at INV circuit.
The temperature of internal INV component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F21The inner temperature over.Fault
The inner temperature over.
The inner temperature is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F22DCDC current sensor failed.Fault
DCDC current sensor failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F23No.2 DCDC current sensor failed.Fault
No.2 DCDC current sensor failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F24Inverter current sensor failed.Fault
Inverter current sensor failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F25OP current sensor failed.Fault
OP current sensor failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F26Sharing current sensor failed.Fault
Sharing current sensor failed.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38F27The AC input and output wires are inversely connected.Fault
The AC input and output wires are inversely connected.
AC input and output wiring reversed, possibly during parallel installation.
1. Please check AC input and output wires are connected correctly. 2. if this error happens during parallel installation, please check wires connection. if they are connected correctly, please funish parallel installation first, and then restart inverters. 3. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F28Single unit is installed to parallel system.Fault
Single unit is installed to parallel system.
Single unit configured into a parallel system, or wiring problem during parallel installation.
1. Please check if single unit is installed to parallel system. 2. if this error happens during parallel installation, please check wires connection. if they are connected correctly, please funish parallel installation first, and then restart inverters. 3. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F29DC/DC soft start fail.Fault
DC/DC soft start fail.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F31Over temperature happen at convert H circuit.Fault
Over temperature happen at convert H circuit.
The temperature of internal convert H component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F32Over temperature happen at LLC TX.Fault
Over temperature happen at LLC TX.
The temperature of internal DC/DC TX is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F33Over current happen at LLC circuit.Fault
Over current happen at LLC circuit.
Restart the unit, if the error persists, contact the repair center.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F40CAN data loss.Fault
CAN data loss.
Communication failure between paralleled inverters.
1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F41Host data loss.Fault
Host data loss.
Communication failure between paralleled inverters.
1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F42Synchronization data loss.Fault
Synchronization data loss.
Communication failure between paralleled inverters.
1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F43Current feedback into the inverter is detected.Fault
Current feedback into the inverter is detected.
Reverse-connected L/N cables, or sharing cables not connected/connected across phases in three-phase setup.
1. Restart the inverter. 2. Check if L/N cables are not connected reversely in all inverters. 3. For parallel system in single phase, make sure the sharing cables are connected in all inverters. For supporting three-phase system, make sure the sharing cables are connected in the inverters in the same phase, and disconnected in the inverters in different phases. 4. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F44The firmware version of each inverter is not the same.Fault
The firmware version of each inverter is not the same.
Mismatched firmware versions across paralleled inverters.
1. Update all inverter firmware to the same version. 2. Check the version of each inverter via LCD setting and make sure the CPU versions are same. if not, please contact your installer to provide the firmware to update. 3. After updating, if the problem still remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F45The output current of each inverter is different.Fault
The output current of each inverter is different.
Sharing cable connection issue between paralleled inverters.
1. Check if sharing cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F46AC output mode setting is different.Fault
AC output mode setting is different.
Inconsistent AC output mode (program 28) settings across inverters.
1. Switch off the inverter and check LCD setting program 28. 2. For parallel system in single phase, make sure no 3P1, 3P2 or 3P3 is set on program 28. For supporting three-phase system, make sure no "PAL" is set on program 28. 3. if the problem remains, please contact your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39W01Fan is locked.Warning
Warning: Fan is locked. Beep three times every second.
Fan wiring not connected well or fan failure.
Check if the Fan's wiring connected well. Replace the fan.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W02Overload.Warning
Warning: Overload. Beep twice every second.
Connected load exceeds the inverter capacity.
Reduce the loads.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W03Low battery.Warning
Warning: Low battery. Beep once every second.
The battery voltage is too low.
It should be charging.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W50BMS firmware version is not matched.Warning
BMS firmware version is not matched.
BMS firmware version mismatch.
Upgrade the firmware of BMS.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W51BMS doesn't allow inverter to charge battery.Warning
BMS doesn't allow inverter to charge battery.
BMS has blocked charging.
Inverter will stop charging battery automatically.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W52BMS doesn't allow inverter to discharge battery.Warning
BMS doesn't allow inverter to discharge battery.
BMS has blocked discharging.
Inverter will stop discharging battery automatically.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W53BMS require inverter to charge battery.Warning
BMS require inverter to charge battery.
BMS has requested charging.
Inverter will charge battery automatically.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37W54~65BMS detect something wrongs happened.Warning
BMS detect something wrongs happened (range of codes 54 through 65).
BMS has detected an internal fault.
If the code is keeping for long time, please contact with your installer.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.