Solar Inverter Fault Codes — Find Your Error Code
Every fault code index for every major UK inverter brand — what the code means, whether it's safe, and what to do. Find your brand below.
If your inverter is showing a fault code and you're not sure what to do, a remote diagnostic will identify the cause and recommend the fix — usually within 30 minutes.
Book fault diagnosis — £75 → How diagnostics workFilter by system type
GivEnergy
Error codes for GivEnergy hybrid inverters and AIO — portal fault codes, BMS errors, firmware flags
Growatt
Complete Growatt error code index — Error 04, Error 61, Error 117, ARM-DSP and all fault categories
Sunsynk
Sunsynk inverter fault codes from the SolarMan portal and inverter display
SolarEdge
SolarEdge optimiser codes (P401, P404, P700) and HD-Wave inverter alerts
Solis
Solis S6/RHI fault codes from SolisCloud and inverter display
Enphase
Enphase microinverter status codes from the Enlighten monitoring platform
Fronius
Fronius string inverter fault codes and error messages from Solarweb portal
Huawei
Huawei hybrid and string inverter fault codes from the FusionSolar portal
SolaX
SolaX X1 and X3 series fault codes from SolaX Cloud and inverter display
Fox ESS
Fault code index coming soon
Sofar
Fault code index coming soon
Sigenergy
Fault code index coming soon
AlphaESS
Fault code index coming soon
Tesla Powerwall
Fault code index coming soon
Can’t find your fault code?
Not all fault codes are indexed yet. Share the exact code from your inverter display or monitoring portal and we’ll identify it — and tell you what to do about it.