!!
critical Renogy
Error Code E8
PV input over-current detected.
? What Causes This
Short circuit or high voltage short circuit on the PV side.
✓ How to Fix It
- Check connections for shorts and repair as necessary.
- Ensure there is no physical damage to equipment.
Source: page 52 of the official manual
From the manual
This error code appears in:
Renogy Rover 40a