What you will see

  • IE 11 after installation or roof work

Why it happens

Swapped string cables.

Diagram

Wired the wrong way

Correct

String+ to +, − to −
→
InverterUses it

Reversed

StringSwapped
→
InverterIE 11

Leave the DC side to an engineer with a meter.

SolaX X3 on-grid inverters (also Fronus X3 models).

What you can check yourself

  • Note recent work

What not to do

  • Do not switch the DC switch off under load

When to call us

  • Correct polarity safely

After roof work

We correct reversed strings on SolaX systems.

Send us

alarm photo