LUX-Y-48280LG01

Battery14 codes
also coversLUX-Y-48300LG01
14 Fault

About the Felicity LUX-Y-48280LG01

The Felicity LUX-Y-48280LG01 is a Battery unit covered by a shared firmware family that includes 2 variants. The error codes listed below apply to every variant in this family — LUX-Y-48280LG01, LUX-Y-48300LG01. If your unit's exact model number isn't shown in the title but is listed in the "also covers" tags, this is the correct reference page.

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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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. Please check if single unit is installed in parallel system. 2. if this error happens during parallel installation, please check wires connection. if they are connected correctly, please finish parallel installation first, and then restart the unit. 3. if the problem remains, please contact your installer.

Source:LUX-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8
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-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8

Step-by-step troubleshooting checklist

  1. 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. 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. 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. 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. 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-Y-48280LG01 error codes

Where can I find the official Felicity LUX-Y-48280LG01 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-Y-48280LG01 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-Y-48280LG01?
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.

Common codes on this device

C05
Charge overcurrent.
C06
Discharge overcurrent.
C01
Battery overvoltage.
C02
Battery undervoltage.
C03
Cell overvoltage.
C04
Cell undervoltage.
C07
MOS overtemperature.
C08
MOS undertemperature.
C09
Cell overtemperature.
C10
Cell undertemperature.
C11
Abnormal current sampling.
C12
Abnormal output impedance.

Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.