EPEVER Tracer-BN/BP series fault codes
The 6 fault codes below are the ones that apply to this EPEVER solar charge controller family. The other 2 EPEVER solar charge controller codes in our database belong to different model families — they are listed further down so you do not troubleshoot against the wrong table.
Covered model numbers
Tracer-BN/BP series
Not on the list? Check the rating label before you troubleshoot — the code table below will not apply. Where to find it →
Fault codes on the EPEVER Tracer-BN/BP series
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… 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…
Codes that do not apply to this model
These 2 codes exist on other EPEVER solar charge controllers. If your unit is showing one of them, it is not from this family — re-check the model number on the label before acting on any of these.
The battery-status indicator flashing green at about 4 Hz means battery over-voltage: batt… Green LED fast flash — charging
The PV/charging indicator flashing green at about 4 times per second signals PV over-volta…
Where the model number is
On the back or side of the controller housing, next to the terminal block.
Sources
- EPEVER TRIRON N Series Modular MPPT Solar Charge Controller User Manual — EPEVER (Huizhou EPEVER Technology Co., Ltd.) (TRIRON-SMS-EL-V1.2, Section 4.1 (Charging LED OFF = no PV/night or PV connection problem; Battery LED Orange On Solid = Under voltage); Section 6.2 Troubleshooting (charging LED off in daytime = PV disconnection; controller needs at least 9 V to activate))
- MPPT Solar Charge Controller User Manual, Tracer-AN series — EPEVER (Huizhou EPEVER Technology Co., Ltd.) (Tracer-AN-Manual-EN-V2.6, Section 4.2 Troubleshooting — PV array open-circuit (confirm PV connection correct and tight); controller needs at least 8 V battery voltage to activate)
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