Renogy RV fault codes
Renogy is a popular brand of solar charge controllers, inverters and batteries for RVs and vans. Charge controllers show E-codes (E1–E10) for battery, panel and temperature faults.
Solar Charge Controller
E1
The controller has detected that the battery is over-dis… E2
The controller has detected battery over-voltage: the ba… E3
The controller reports a battery under-voltage condition… E4
Load short circuit: the controller detected a short acro… E5
Load overload: the current drawn through the controller'… E6
Controller over-temperature: the controller's internal t… E8
PV (solar) input over-current: the current coming from t… E10
PV (solar) over-voltage: the solar array's voltage excee…
The controller has detected that the battery is over-dis… E2
The controller has detected battery over-voltage: the ba… E3
The controller reports a battery under-voltage condition… E4
Load short circuit: the controller detected a short acro… E5
Load overload: the current drawn through the controller'… E6
Controller over-temperature: the controller's internal t… E8
PV (solar) input over-current: the current coming from t… E10
PV (solar) over-voltage: the solar array's voltage excee…