What you will see
- No display and no LEDs.
- No generation in the app for the day.
- The app may also show the plant as offline.
Why it happens
A grid-tied inverter powers itself from the solar panels, so it stays dark until there is enough light to start. On a hybrid, the battery or the grid can keep the screen alive.
At midday, a blank screen usually points to an open DC isolator, a tripped breaker, a failed connection on the solar side or an internal fault.
What you can check yourself
- Check the time. Before sunrise and after sunset a blank screen can be normal on on-grid models.
- Check that the AC breaker for the solar system is on.
- On a hybrid, check that the battery breaker is on and the battery shows as awake.
- Ask whether anyone has worked on the roof or the wiring recently.
What not to do
- Do not open DC isolators or combiner boxes to check them.
- Do not keep switching breakers on and off.
When to call us
- It is still blank at midday on a clear day.
- The AC breaker trips again when switched on.
Inverter checks in Faisalabad and Lahore
If your inverter is still dark at midday on a clear day, send us the photos. Our Faisalabad and Lahore teams diagnose on-grid and hybrid inverters across Punjab.
Send us
A photo of the inverter, the AC breaker board and, on hybrids, the battery display.