Where can I find the official Felicity LUX-E-48100LG03 error code manual?

Each code on this page lists the official source manual filename and page number at the bottom. The manuals are published by Felicity on their website; we compile the codes here so you can search across all of them at once instead of opening each PDF.

Is the LUX-E-48100LG03 the same as other Felicity models?

Some Felicity units share firmware across a family of variants — the same fault codes apply to multiple model numbers. Look at the "also covers" chips below the title to see which other model numbers this page applies to.

What's the most critical code on a Felicity LUX-E-48100LG03?

Critical-severity codes (red dot) are the ones that trip the unit offline immediately — typically short-circuit, IGBT, or BMS hardware failures. These are listed first when you filter by severity. Do not bypass them; they indicate a hardware or safety condition that requires service.

What does C01 mean on LUX-E-48100LG03?

Battery overvoltage. Cause: Battery pack voltage exceeded the upper protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C02 mean on LUX-E-48100LG03?

Battery undervoltage. Cause: Battery pack voltage fell below the lower protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C03 mean on LUX-E-48100LG03?

Cell overvoltage. Cause: An individual cell voltage exceeded the upper protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C04 mean on LUX-E-48100LG03?

Cell undervoltage. Cause: An individual cell voltage fell below the lower protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C05 mean on LUX-E-48100LG03?

Charge overcurrent. Cause: Charging current exceeded the protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C06 mean on LUX-E-48100LG03?

Discharge overcurrent. Cause: Discharging current exceeded the protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C07 mean on LUX-E-48100LG03?

MOS overtemperature. Cause: The inner temperature is over the limitation. Check whether the ambient temperature is too high. Fix: Check whether the ambient temperature is too high; allow the unit to cool. if the error persists, return to repair center.

What does C08 mean on LUX-E-48100LG03?

MOS undertemperature. Cause: The internal temperature is lower than the limit range. Check whether the ambient temperature is too low. Fix: Check whether the ambient temperature is too low; warm the environment. if the error persists, return to repair center.

What does C09 mean on LUX-E-48100LG03?

Cell overtemperature. Cause: An individual cell temperature exceeded the upper protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C10 mean on LUX-E-48100LG03?

Cell undertemperature. Cause: An individual cell temperature fell below the lower protection threshold. Fix: Restart the unit. if the error persists, contact the repair center.

What does C11 mean on LUX-E-48100LG03?

Abnormal current sampling. Cause: BMS detected an abnormal reading from the current-sampling circuit. Fix: Restart the unit. if the error persists, contact the repair center.

LUX-E-48100LG03

Battery14 codes

14 Fault

About the Felicity LUX-E-48100LG03

The Felicity LUX-E-48100LG03 is a Battery unit. The 14 error codes listed below are the complete fault catalog for this device, compiled from the official Felicity user manual.

How to use this page

Each row below shows an error code, its severity, and a brief description. Click any row to expand the full cause and the recommended fix. The severity dot tells you whether the unit will keep operating (warning), derate (fault), or trip offline (critical). For codes that require an authorized service partner, the recommended-fix block says so explicitly.

C01Battery overvoltage.Fault

Cause

Battery pack voltage exceeded the upper protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C02Battery undervoltage.Fault

Cause

Battery pack voltage fell below the lower protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C03Cell overvoltage.Fault

Cause

An individual cell voltage exceeded the upper protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C04Cell undervoltage.Fault

Cause

An individual cell voltage fell below the lower protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C05Charge overcurrent.Fault

Cause

Charging current exceeded the protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C06Discharge overcurrent.Fault

Cause

Discharging current exceeded the protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C07MOS overtemperature.Fault

Cause

The inner temperature is over the limitation. Check whether the ambient temperature is too high.

Recommended fix

Check whether the ambient temperature is too high; allow the unit to cool. if the error persists, return to repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C08MOS undertemperature.Fault

Cause

The internal temperature is lower than the limit range. Check whether the ambient temperature is too low.

Recommended fix

Check whether the ambient temperature is too low; warm the environment. if the error persists, return to repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 12

C09Cell overtemperature.Fault

Cause

An individual cell temperature exceeded the upper protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13

C10Cell undertemperature.Fault

Cause

An individual cell temperature fell below the lower protection threshold.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13

C11Abnormal current sampling.Fault

Cause

BMS detected an abnormal reading from the current-sampling circuit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13

C12Abnormal output impedance.Fault

Cause

BMS detected abnormal output impedance (e.g. loose/poor connection at output terminals).

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13

C13Parallel failed.Fault

Cause

Parallel-connection condition not satisfied. Possible causes: (1) a single unit is configured as part of a parallel system; (2) wires are mis-connected during parallel installation.

Recommended fix

1. Check if a single unit is wrongly installed to a parallel system. 2. if the error happens during parallel installation, check wires connection. if they are connected correctly, finish parallel installation first, then restart the unit. 3. if the problem remains, please contact your installer.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13

C14Output loss.Fault

Cause

No output from the battery pack. Possible causes: circuit breaker open, or fuse blown.

Recommended fix

1. Please check whether the circuit breaker is closed. 2. Please check whether the fuse is normal. 3. Restart the unit. if the error persists, contact the repair center.

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13

Step-by-step troubleshooting checklist

1.Note the exact code and timing
Write down the exact code shown on the display, what the unit was doing when it appeared (charging, discharging, idle, grid-tied), and any LEDs or audible alarms. The same code can have different fixes depending on context.
2.Check the recommended fix on this page
Find the code in the list below and read the cause + recommended fix. Most warning-level codes can be cleared by following the listed action — usually reducing load, checking wiring, or restarting the unit.
3.Verify the source manual page
Each code shows the source manual filename and page number. Open that exact page in the official manual to verify model-specific notes (firmware version, parallel-config notes, regional variants) before acting.
4.Disconnect AC, DC, and battery before opening
If a fix requires opening the enclosure or accessing terminals, disconnect AC input, DC PV, and battery in that order. Wait at least 60 seconds for capacitors to discharge before touching any conductors.
5.Escalate critical codes to authorized service
Critical codes (short-circuit, IGBT failure, BMS hardware error) should not be cleared by end users. Note the code, model number, and source manual page, then contact an authorized service partner.

Common questions about LUX-E-48100LG03 error codes

Where can I find the official Felicity LUX-E-48100LG03 error code manual?: Each code on this page lists the official source manual filename and page number at the bottom. The manuals are published by Felicity on their website; we compile the codes here so you can search across all of them at once instead of opening each PDF.
Is the LUX-E-48100LG03 the same as other Felicity models?: Some Felicity units share firmware across a family of variants — the same fault codes apply to multiple model numbers. Look at the "also covers" chips below the title to see which other model numbers this page applies to.
What's the most critical code on a Felicity LUX-E-48100LG03?: Critical-severity codes (red dot) are the ones that trip the unit offline immediately — typically short-circuit, IGBT, or BMS hardware failures. These are listed first when you filter by severity. Do not bypass them; they indicate a hardware or safety condition that requires service.