What you will see
- Backup drops when an AC or pump starts
- EPS_OVERLOAD_LOCK and backup stays off
Why it happens
Heavy and motor loads on the backup circuit exceed the hybrid's rating.
Diagram
Overload in steps, then a lock
- 011.05× overload
- 021.25× overload
- 031.5× overload
- 04Overload lock
- 05Heavy loads off, restart
What you can check yourself
- Switch off heavy loads during load-shedding
- See our load division article
What not to do
- Do not keep restarting with the same loads
When to call us
- Review backup circuits
- Divide loads or size up
Load division
We plan Fronus backup circuits for homes in Faisalabad and Lahore.
Send us
list of backup loads and the alarm