W17Warning

Voltronic inverter error W17

Solar over voltage

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

The exact meaning depends on your model:

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

What it means

Solar over voltageWarning code 17 flashing on the display: Solar over voltage.

Cause: PV voltage is too high.

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-Super-4KW-manual.pdf, p.46 · +1 more official manuals

InfiniSolar E 5.5KW

InverterWarning

What it means

Battery openWarning code 17 flashing on the display: Battery open.

Cause: Battery open.

How to fix it

  1. Restart the unit again.
  2. If problem still exists, please contact your installer.
  3. Recharge or replace the battery Try to reduce the applied load Re-connect the battery Check the ventilation around the unit Try to reduce the load Check if fans run normally.

Source: InfiniSolarE-5.5KW-manual.pdf, p.45

InfiniSolar TX-PA 30KW

InverterWarning

What it means

SolarLossWarning code 17 flashing on the display: SolarLoss.

Cause: PV voltage 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

ESS510

Energy storage systemWarning

What it means

Battery openWarning code 17 flashing on the display: Battery open..

Cause: Battery open.

How to fix it

Re-connect the battery.

Source: ESS510-manual.pdf, p.71

What it means

Phase Lock failedWarning code 17 flashing on the display: Phase Lock failed.

Cause: Phase Lock failed.

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: GalleonOne-5KL-48V-manual.pdf, p.22

Frequently asked questions

What does error W17 mean on a Voltronic inverter?
It depends on the model — 8 devices use code W17. On the InfiniSolar WP LV 12KW Premium it means: Solar over voltage. The card for each model on this page gives its exact meaning and fix.
Is error W17 a fault or a warning?
W17 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 W17?
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.