Diagnose common solar issues with step-by-step guides for causes, diagnostics, and solutions.
These guides are research-based references only. For wiring, battery, breaker, or inverter work, consult a licensed professional or your installer.
Your battery stays low or doesn't charge even during sunny days.
Battery is full but home still loses power during brownouts.
PV input voltage is below normal range, reducing or stopping solar generation.
Inverter emits audible alarm — usually indicates a fault condition.
Inverter stuck in bypass mode or not switching between grid and solar properly.
Inverter shuts down or beeps when too many appliances run simultaneously.
Inverter reports over-temperature and reduces output or shuts down.