Home Batteries Error Codes & Fault Troubleshooting

Battery, BMS, gateway and communication faults for residential energy storage systems.

Popular manufacturers

BYD Battery-Box Enphase FoxESS LG Energy Solution Pylontech Sigenergy Sonnen Tesla Powerwall

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Common problems

Start from the symptom when you do not have a code yet.

Not charging Not charging from solar Gateway offline Device offline Breaker open Battery at zero percent Flashing red indicator Flashing white indicator Wi-Fi not connecting Communication error LED error indication

Helpful troubleshooting topics

Fault Finder All symptoms How we source codes Request a fault