What you will see

  • Power drops on hot afternoons
  • F35 or F65–F68 in summer

Why it happens

Direct sun, closed rooms and blocked fans stop heat escaping.

Diagram

Three causes GoodWe lists

Check:
VentilationAmbient heatInternal fan

Cool, shaded

InverterNormal
→
OutputFull

Hot or blocked

InverterF35 / F65–F68
→
OutputReduced
GoodWe inverters using F-code numbering (DNS G4, SDT G3, ES Uniq, ET).

What you can check yourself

  • Check for direct sun
  • Keep space clear
  • Clean dust from vents when safe

What not to do

  • Do not wet or cover the inverter

When to call us

  • Shade or relocate
  • Check fans (F132, F133 are fan faults)

Punjab summers

We shade, relocate and service GoodWe inverters in Faisalabad and Lahore summers.

Send us

a photo of the location and the alarm