What you will see

  • Backup drops when an AC or pump starts
  • F55 during load-shedding

Why it happens

Motors and compressors draw a big start-up surge.

Diagram

Starting surge tips backup over

Lights, fansAC or pump startsRunning

Illustration. Switch off some backup loads to recover.

GoodWe ES and ET hybrids.

What you can check yourself

  • Switch off heavy loads in load-shedding
  • See our load division article

What not to do

  • Do not connect grid wiring to the backup port

When to call us

  • Review backup circuits
  • Divide loads or size up

Load division

We plan GoodWe backup circuits for Faisalabad and Lahore homes so they stay on in load-shedding.

Send us

list of backup loads and the alarm