What you will see

  • Inverter stops in the evening peak or when big motors start
  • 2033 in FusionSolar

Why it happens

Low voltage at the end of overloaded lines or a loose AC connection both trigger it.

Diagram

Voltage dips, inverter waits

Normal supply

GridSteady
→
InverterFeeding

Peak hours or motor start

GridDips
→
Inverter2033
Huawei SUN2000 inverters; read the alarm ID and cause ID in FusionSolar.

What you can check yourself

  • Note the time and what was running
  • Check the inverter's AC breaker is fully ON

What not to do

  • Do not open the board
  • Do not add a stabilizer in front of the inverter

When to call us

  • Measure voltage during the dip
  • Inspect AC switch and cable connections
  • Log readings for the DISCO

Evening dips

Peak-hour voltage drops are common on overloaded lines in Faisalabad and Lahore. We check whether it is the supply or your wiring.

Send us

alarm screenshots with times