W05Warning

Voltronic inverter error W05

Warning — the red LED flashes and the inverter keeps running. Deal with it before it escalates.

Also applies to:InfiniSolar 10KWInfiniSolar 15KWInfiniSolar Super 4KWInfiniSolar Plus 5KW

What it means

Line voltage loss for long time — Warning code 05 flashing on the display: Line voltage loss for long time.

Cause: Grid voltage is higher than 253V.

How to fix it

  1. The unit keeps operating.
  2. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: Voltronic manual, p.51

Models that show W05

Frequently asked questions

What does error W05 mean on a Voltronic inverter?

It depends on the model — 7 devices use code W05. On the InfiniSolar WP LV 12KW Premium it means: Line voltage loss for long time. The card for each model on this page gives its exact meaning and fix.

Is error W05 a fault or a warning?

W05 is a warning: the red LED flashes and the unit keeps running. Fix the underlying condition before it escalates.

How do I clear or fix error W05?

The unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre. The exact steps for each affected model are listed on this page.

Related error codes

Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.