What you will see
- Panels in sun but the battery is not charging
- Warning 12, 13 or 14 with beeping
Why it happens
Warning 12: a deeply drained battery may need charging from the grid first.
Warning 13: too many panels in series, worst on cold mornings.
Warning 14: loads are too high for the charger to keep up.
Diagram
Three reasons the solar charger stops
Warning 12
Battery too low. Charge from grid first if available.
Warning 13
PV voltage too high. Too many panels in series.
Warning 14
Overload. Reduce loads.
What you can check yourself
- Note which code and the time
- Reduce loads for Warning 14
- Let the grid charge the battery for Warning 12 if you have grid
What not to do
- Do not add panels yourself
- Do not change charge settings
When to call us
- Check string voltage for Warning 13
- Check battery health for Warning 12
- Review loads for Warning 14
Solar charging checks
We check SPF solar charging, string voltage and batteries for homes in Faisalabad and Lahore.
Send us
the warning code, panel count and battery type