CauseBattery pack voltage exceeded the upper protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
This is the complete fault table for the Felicity LUX-E-48100LG03 Battery — all 14 codes from the official manual on one page. On this Felicity device, a fault code means the unit has entered protection and stopped normal operation; a warning leaves it running. The exact indication (LED pattern or display code) is listed per code below.
Last checked against the official manuals on July 10, 2026.
CauseBattery pack voltage exceeded the upper protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
CauseBattery pack voltage fell below the lower protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
CauseAn individual cell voltage exceeded the upper protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
CauseAn individual cell voltage fell below the lower protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
CauseCharging current exceeded the protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
CauseDischarging current exceeded the protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 12
CauseThe inner temperature is over the limitation. Check whether the ambient temperature is too high.
Recommended fixCheck 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
CauseThe internal temperature is lower than the limit range. Check whether the ambient temperature is too low.
Recommended fixCheck 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
CauseAn individual cell temperature exceeded the upper protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 13
CauseAn individual cell temperature fell below the lower protection threshold.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 13
CauseBMS detected an abnormal reading from the current-sampling circuit.
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 13
CauseBMS detected abnormal output impedance (e.g. loose/poor connection at output terminals).
Recommended fixRestart the unit. if the error persists, contact the repair center.
Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf· page 13
CauseParallel-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 fix1. 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
CauseNo output from the battery pack. Possible causes: circuit breaker open, or fuse blown.
Recommended fix1. 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
Send us the code on your screen and a Felicity technician will reply with the exact steps for your unit. Support is free for life — a first diagnosis never needs a callout.
Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.