EPEVER RV solar charge controller fault codes
MPPT/PWM solar charge controllers manage charging from RV solar panels. Errors flag battery voltage/temperature, panel over-voltage and controller overheating.
How to read the code
Read the "Err"/E-code on the display or app. Most solar faults auto-clear once voltage/temperature returns to range — but check PV wiring and battery settings.
Models covered: every code below applies to the EPEVER Triron N series.
All documented codes
All LEDs fast flash — overheating warning
When every indicator (PV, battery and the battery-capacity level LEDs) flashes fast at the… Battery red slow flash — over-temp warning
The battery indicator slowly flashing red signals a battery temperature fault: with a temp… Battery red solid — over-discharged warning
A steady red battery indicator means the battery is over-discharged: voltage has dropped t… Green LED fast flash — battery warning
The battery-status indicator flashing green at about 4 Hz means battery over-voltage: batt… Green LED fast flash — charging warning
The PV/charging indicator flashing green at about 4 times per second signals PV over-volta… Load + fault — short circuit danger
The load and fault indicators blinking signal a load-side short circuit. When load current… Load blinking — overload warning
The load indicator blinking (load off) signals a load overload: connected load current exc… No charge in daylight warning
Two related no-charge indications: the green PV/charging indicator OFF while the sun is on…
When every indicator (PV, battery and the battery-capacity level LEDs) flashes fast at the… Battery red slow flash — over-temp warning
The battery indicator slowly flashing red signals a battery temperature fault: with a temp… Battery red solid — over-discharged warning
A steady red battery indicator means the battery is over-discharged: voltage has dropped t… Green LED fast flash — battery warning
The battery-status indicator flashing green at about 4 Hz means battery over-voltage: batt… Green LED fast flash — charging warning
The PV/charging indicator flashing green at about 4 times per second signals PV over-volta… Load + fault — short circuit danger
The load and fault indicators blinking signal a load-side short circuit. When load current… Load blinking — overload warning
The load indicator blinking (load off) signals a load overload: connected load current exc… No charge in daylight warning
Two related no-charge indications: the green PV/charging indicator OFF while the sun is on…
Which of these codes apply to your model?
Not every code below exists on every EPEVER solar charge controller. Pick your model number to see only the table that applies to it — and which codes it will never show.