IVEM 6048
Inverter49 codesF01Bus voltage is too high.Fault
Fault: Bus voltage is too high.
AC Surge or internal components failed.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36F02Bus voltage is too low.Fault
Fault: Bus voltage is too low.
Internal components failed (inferred from similar fault classes).
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36F03Bus soft start fail.Fault
Fault: Bus soft start fail.
Internal components failed.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36F04Inverter soft start fail.Fault
Fault: Inverter soft start fail.
Internal components failed.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36F05Over current or surge detected by Software.Fault
Fault: Over current or surge detected by Software.
Software-detected overcurrent or surge condition.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36F06Over current or surge detected by hardware.Fault
Fault: Over current or surge detected by hardware.
Hardware-detected overcurrent or surge condition.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36F07Output voltage is too low.Fault
Fault: Output voltage is too low.
Connected load is too high or internal failure.
Reduce the connected load. Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F08Output voltage is too high.Fault
Fault: Output voltage is too high.
Internal failure causing high output voltage.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F09Output short circuited.Fault
Fault: Output short circuited.
Wiring issue or abnormal load causing a short circuit.
Check if wiring is connected well and remove abnormal load.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F10Overload time out.Fault
Fault: Overload time out.
Sustained overload condition.
Reduce the connected load by switching off some equipment.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F11Battery voltage is too high.Fault
Fault: Battery voltage is too high.
Battery spec/quantity does not meet inverter requirements.
Check if spec and quantity of batteries are meet requirements.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F12Over current happen at DCDC circuit.Fault
Fault: Over current happen at DCDC circuit.
Overcurrent in the DC/DC stage.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F13PV voltage is too high.Fault
Fault: PV voltage is too high.
Too many PV modules connected in series.
Reduce the number of PV modules in series.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F14Short circuited happen at PV port.Fault
Fault: Short circuited happen at PV port.
Wiring issue causing short at PV port.
Check if wiring is connected well.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F15PV power is abnormal.Fault
Fault: PV power is abnormal.
PV power exceeds normal limits (too many PV modules).
Reduce the number of PV modules.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F16Over current happen at PV port.Fault
Fault: Over current happen at PV port.
Overcurrent at the PV input.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F17Fan is locked.Fault
Fault: Fan is locked.
Fan wiring not connected well or fan failed.
Check if wiring is connected well. Replace the fan.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F18Over temperature happen at PV circuit.Fault
Fault: Over temperature happen at PV circuit.
The temperature of internal PV 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 IVEM 6048 Solar Inverter User Guide.pdf · page 37F19Over temperature happen at battery circuit.Fault
Fault: Over temperature happen at battery circuit.
The temperature of internal 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 IVEM 6048 Solar Inverter User Guide.pdf · page 37F20Over temperature happen at inverter circuit.Fault
Fault: Over temperature happen at inverter circuit.
The temperature of internal inverter component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F21The inner temperature over.Fault
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 IVEM 6048 Solar Inverter User Guide.pdf · page 37F22DCDC current sensor failed.Fault
Fault: DCDC current sensor failed.
DC/DC current sensor hardware failure.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F23No.2 DCDC current sensor failed.Fault
Fault: No.2 DCDC current sensor failed.
Second DC/DC current sensor hardware failure.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F24Inverter current sensor failed.Fault
Fault: Inverter current sensor failed.
Inverter current sensor hardware failure.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F25OP current sensor failed.Fault
Fault: OP current sensor failed.
Output current sensor hardware failure.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F26Sharing current sensor failed.Fault
Fault: Sharing current sensor failed.
Sharing current sensor hardware failure (parallel operation).
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37F27The AC input and output wires are inversely connected.Fault
Fault: The AC input and output wires are inversely connected.
AC input and output wires are reversed.
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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F28Single unit is installed to parallel system.Fault
Fault: Single unit is installed to parallel system.
A single unit configuration was installed where parallel was expected.
1. Please check if single unit is installed to parallel system. 2. if this error happens during parallel installation, please check wires connectiotn. if they are connected correctly, please funish parallel installation first, and then restart inverters. 3. if the problem remains, please contact your installer.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 38F29DC/DC soft start fail.Fault
Fault: DC/DC soft start fail.
Internal failure during DC/DC soft start.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 38F31Over temperature happen at convert H circuit.Fault
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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F32Over temperature happen at LLC TX.Fault
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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F33Over current happen at LLC circuit.Fault
Fault: Over current happen at LLC circuit.
Overcurrent in LLC resonant circuit.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 38F35Overvoltage occurs in BUS.Fault
Fault: Overvoltage occurs in BUS.
AC surge or PV surge or internal components failed.
Restart the unit, if the error persists, contact the repair center.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 38F40CAN data loss.Fault
Fault: CAN data loss.
Communication cable connection issue 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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F41Host data loss.Fault
Fault: Host data loss.
Communication cable connection issue 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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F42Synchronization data loss.Fault
Fault: Synchronization data loss.
Communication cable connection issue 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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F43Current feedback into the inverter is detected.Fault
Fault: Current feedback into the inverter is detected.
Reverse-connected L/N cables or improper sharing-cable wiring in parallel/three-phase systems.
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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F44The firmware version of each inverter is not the same.Fault
Fault: The firmware version of each inverter is not the same.
CPU/firmware versions differ between 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 IVEM 6048 Solar Inverter User Guide.pdf · page 38F45The output current of each inverter is different.Fault
Fault: The output current of each inverter is different.
Sharing cables not connected well 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 IVEM 6048 Solar Inverter User Guide.pdf · page 39F46AC output mode setting is different.Fault
Fault: AC output mode setting is different.
Inconsistent AC output mode (program 28) settings across paralleled 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 IVEM 6048 Solar 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 IVEM 6048 Solar Inverter User Guide.pdf · page 36W02Overload.Warning
Warning: Overload. Beep twice every second.
Connected load exceeds the inverter capacity.
Reduce the loads.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W03Low battery.Warning
Warning: Low battery. Beep once every second.
The battery voltage is too low.
The battery voltage is too low, it should be charging.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W50BMS firmware version is not matched.Warning
Warning: BMS firmware version is not matched.
BMS firmware version mismatch.
Upgrade the firmware of BMS.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W51BMS doesn't allow inverter to charge battery.Warning
Warning: BMS doesn't allow inverter to charge battery.
BMS has prohibited charging.
Inverter will stop charging battery automatically.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W52BMS doesn't allow inverter to discharge battery.Warning
Warning: BMS doesn't allow inverter to discharge battery.
BMS has prohibited discharging.
Inverter will stop discharging battery automatically.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W53BMS require inverter to charge battery.Warning
Warning: BMS require inverter to charge battery.
BMS has requested charging.
Inverter will charge battery automatically.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W54~65BMS detect something wrongs happened.Warning
Warning: BMS detect something wrongs happened (range covering codes 54 through 65).
BMS has detected an internal abnormality.
If the code is keeping for long time, please contact with your installer.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36W80BMS communication fault.Warning
Warning: BMS communication fault.
Communication line between BMS and inverter is not connected well.
Check if the communication line is connected well.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.