About the Felicity LPBA48100-OL
The Felicity LPBA48100-OL is a Battery unit. The 38 error codes listed below are the complete fault catalog for this device, compiled from the official Felicity user manual.
LPBA48100-OL
Battery38 codes 3 Critical 30 Fault 5 Warning
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.
FAULT-LED:0001Battery Voltage Low.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=OFF, LED2=OFF, LED3=OFF, LED4=ON.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:0011Cell Voltage Low.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=OFF, LED2=OFF, LED3=ON, LED4=ON.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:0110Discharging Current High.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=OFF, LED2=ON, LED3=ON, LED4=OFF.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:0111BMS Temperature Low.Warning— medium
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=OFF, LED2=ON, LED3=ON, LED4=ON.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1000Battery Voltage High.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=OFF, LED3=OFF, LED4=OFF.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1001Current Sensor Abnormal.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=OFF, LED3=OFF, LED4=ON.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1010Charging Current High.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=OFF, LED3=ON, LED4=OFF.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1011Cell Temperature High.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=OFF, LED3=ON, LED4=ON.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1100Cell Voltage High.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=ON, LED3=OFF, LED4=OFF.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1110BMS Temperature High.Fault— high
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=ON, LED3=ON, LED4=OFF.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10FAULT-LED:1111Cell Temperature Low.Warning— medium
Description
Fault mode indicated by red FAULT LED ON, green LED OFF, and SOC LED pattern LED1=ON, LED2=ON, LED3=ON, LED4=ON.
Source:
Felicitysolar LPBA48100-OL Felicity Storage Battery User Manual.pdf · page 10LED-FAULT-BMS-THBMS Temperature High.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 ON, LED2 ON, LED3 ON, LED4 OFF. Indicates the BMS internal temperature is above the protection threshold.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-BMS-TLBMS Temperature Low.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 OFF, LED2 OFF, LED3 OFF, LED4 ON (low-temp pattern per 8.9 table). Indicates the BMS internal temperature is below the protection threshold.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-BVHBattery Voltage High.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 ON, LED2 OFF, LED3 OFF, LED4 OFF. Indicates total battery (pack) voltage above the protection threshold.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-BVLBattery Voltage Low.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 OFF, LED2 OFF, LED3 OFF, LED4 ON. Indicates total battery (pack) voltage below the protection threshold.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-CCHCharging Current High.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 ON, LED2 OFF, LED3 ON, LED4 OFF. Indicates charge current above the protection threshold (max 50A per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-CSACurrent Sensor Abnormal.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 ON, LED2 OFF, LED3 OFF, LED4 ON. Indicates the current sensor signal is abnormal (sensor fault).
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-CTHCell Temperature High.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 OFF, LED2 OFF, LED3 ON, LED4 ON. Indicates a cell temperature above the protection threshold (working range -10 to +50 C per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-CTLCell Temperature Low.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 OFF, LED2 ON, LED3 OFF, LED4 ON. Indicates a cell temperature below the protection threshold (working range -10 to +50 C per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-CVHCell Voltage High.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 ON, LED2 ON, LED3 OFF, LED4 OFF. Indicates an individual cell over-voltage condition.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-CVLCell Voltage Low.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 OFF, LED2 OFF, LED3 ON, LED4 OFF. Indicates an individual cell under-voltage condition.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-FAULT-DCHDischarging Current High.Fault
Description
FAULT mode: Green LED OFF, Red LED ON. LED1 OFF, LED2 ON, LED3 ON, LED4 OFF. Indicates discharge current above the protection threshold (max 50A per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-LOW-POWERLow Power.Warning
Description
LOW POWER mode: Green LED FLASH, Red LED OFF. SOC LED indicators show 'Running' pattern. Battery has reached low-power state.
Source:
felicity-5.1-kwh-user-manual.pdf · page 10LED-SOC-LOW-FLASHSOC < 10% (Flashing).Warning
Description
SOC LED indication: when state of charge falls below 10%, LED1 flashes. Also annotated as default behaviour in STANDBY, NORMAL, DISCHARGE rows of the mode table ('SOC<10%(DEFAULT): LED1 FLASH').
Source:
felicity-5.1-kwh-user-manual.pdf · page 9PROT-BAT-INT-SHORTBattery Internal Short Circuit protection.Critical
Description
Listed under 7.1 Battery System Features 'Battery Protection': protects the cells/pack against an internal short-circuit fault.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-BAT-OVERCURRBattery Over Current protection.Fault
Description
Listed under 7.1 Battery System Features 'Battery Protection': protects against over-current at the battery side (max charge/discharge current 50A per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-BAT-OVERTEMPBattery Over Temperature protection.Fault
Description
Listed under 7.1 Battery System Features 'Battery Protection': protects against over-temperature at the battery side (working temp -10 to +50 C per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-BAT-OVERVOLTBattery Over Voltage protection.Fault
Description
Listed under 7.1 Battery System Features 'Battery Protection': protects against over-voltage at the battery side (max charge voltage 57.6 V per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-BAT-UNDERVOLTBattery Under Voltage protection.Fault
Description
Listed under 7.1 Battery System Features 'Battery Protection': protects against under-voltage at the battery side (min discharge voltage 48 V per spec).
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-EXT-SHORTExternal Short Circuit protection.Critical
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: protects against external short circuits on the inverter/output side.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-GROUND-FAULTGround Fault protection.Fault
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: detects/protects against ground faults at the battery-inverter interface.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-INRUSHIn-rush Current protection.Fault
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: limits/protects against in-rush current at switch-on or fault transients.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-OVERCURRInverter interface Over Current protection.Fault
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: protects the battery's inverter interface against over-current conditions.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-OVERTEMPInverter interface Over Temperature protection.Fault
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: protects against over-temperature conditions at the inverter interface.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-OVERVOLTInverter interface Over Voltage protection.Fault
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: protects the battery's inverter interface against over-voltage conditions from the inverter side.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4PROT-INV-REVERSE-POLReverse Polarity protection.Fault
Description
Listed under 7.1 Battery System Features as part of the inverter-interface protection set: protects against reverse polarity connection of the inverter cables.
Source:
felicity-5.1-kwh-user-manual.pdf · page 4TROUBLE-LED-ABNORMALRed/Green LED flashing or abnormal indication (alarm or protection).Warning
Description
Per 10.2 Troubleshooting: when the red/green LED on the panel is flashing or normally on it may be just an alarm or protection. Check the 'LED fault message' in chapter 7 for detailed fault-shooting steps. Generally the alarm indication is normal without manual intervention; when the alarm trigger state is removed, the battery system automatically returns to normal use.
Recommended fix
Check whether the red light on the LPBA48100-OL is on; whether the battery can be output voltage or not. Refer to the 'LED fault message' table for detailed fault-shooting steps. The system normally clears the alarm automatically once the trigger condition is removed.
Source:
felicity-5.1-kwh-user-manual.pdf · page 11TROUBLE-NO-LEDBattery system cannot work / LED does not light or flash.Critical
Description
Per 10.2 Troubleshooting: 'Battery system cannot work, when DC switch on and POWER on, the LED doesn't light up or flash, please consider contact the local distributor.'.
Recommended fix
Contact the local distributor.
Source:
felicity-5.1-kwh-user-manual.pdf · page 11Step-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 LPBA48100-OL error codes
- Where can I find the official Felicity LPBA48100-OL 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 LPBA48100-OL 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 LPBA48100-OL?
- 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.
Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.