What you will see

  • Alarm 5 during load-shedding
  • Alarm 5 with grid present

Why it happens

On-grid inverters stop when the grid is off; a tripped breaker has the same effect.

Diagram

Alarm 5: normal or a problem?

Load-shedding

GridOff
→
On-grid inverterStops by design

Grid is on in the house

GridOn
→
Breaker or cableOff or loose
→
InverterAlarm 5
Sineng SN PT on-grid inverters.

What you can check yourself

  • Check the house has grid
  • Check the AC switch is ON

What not to do

  • Do not bypass anything

When to call us

  • Check AC wiring
  • Advise on SN HS/HT hybrid for backup

Load-shedding

On-grid Sineng systems in Faisalabad and Lahore show this every outage.

Send us

alarm photo and whether the house had grid