W05Warning

Voltronic inverter error W05

Line voltage loss for long time

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

The exact meaning depends on your model:

InfiniSolar WP LV 12KW Premium

InverterWarning

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: InfiniSolar-WP-LV-12KW-Premium-manual.pdf, p.51 · InfiniSolar-10KW-manual-20191126.pdf, p.49 · InfiniSolar-15K-manual-20200313.pdf, p.50 · +2 more official manuals

InfiniSolar TX-PA 30KW

InverterWarning

What it means

LineFreqLLoss — Warning code 05 flashing on the display: LineFreqLLoss.

Cause: Grid frequency is too low.

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: InfiniSolar-TX-PA_manual.pdf, p.49

Giant Elite 3P/3P

upsWarning

Also applies to:Giant Elite 3P/3P 10K-40KVA

What it means

Over load — Warning code 05 flashing on the display: Over load.

Cause: Over load.

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: Giant-Elite-3P3P-manual.pdf, p.41

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

Other codes on the InfiniSolar WP LV 12KW Premium

All InfiniSolar WP LV 12KW Premium codes All InfiniSolar 10KW codes All InfiniSolar 15KW codes All InfiniSolar Super 4KW codes All InfiniSolar Plus 5KW codes

Other codes on the InfiniSolar TX-PA 30KW

All InfiniSolar TX-PA 30KW codes

Other codes on the Giant Elite 3P/3P

All Giant Elite 3P/3P codes

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