What does error 27 mean on a Voltronic inverter?

It depends on the model — 12 devices use code 27. On the InfiniSolar 10KW it means: Fan lock. The card for each model on this page gives its exact meaning and fix.

How do I clear or fix error 27?

Please contact your installer. The exact steps for each affected model are listed on this page.

Voltronic inverter error 27

Fan lock

Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.

The exact meaning depends on your model:

InfiniSolar 10KW

InverterFault

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

What it means

Fan lock — Fault code 27 shown on the display with the fault icon on: Fan lock.

Cause: Fan failed.

How to fix it

Please contact your installer.

Source: InfiniSolar-10KW-manual-20191126.pdf, p.51 · InfiniSolar-15K-manual-20200313.pdf, p.52 · InfiniSolar-Super-4KW-manual.pdf, p.48 · +1 more official manuals

InfiniSolar E 5.5KW

InverterFault

Also applies to:ESS510

What it means

Fan fault

Cause: Fan fault.

How to fix it

Please check if fans are running ok.
If fans are running ok, please shut down inverter first and then restart it.
If fans stop running or error message remains after restart the inverter, please contact your installer.

Source: InfiniSolarE-5.5KW-manual.pdf, p.45 · ESS510-manual.pdf, p.70

InfiniSolar 2KW/3KW

InverterFault

Also applies to:InfiniSolar 2KWInfiniSolar 3KW

What it means

Fan fault — Fault code 27 shown on the display with the fault icon on: Fan fault.

Cause: Fan fault.

How to fix it

Please check if fans are runing ok
If fans are runing ok, please shut down inverter first and then, restart it
If fans are stop runing or error message remains after restart the inverter, please contact your installer.

Source: InfiniSolar-2KW3KW-manual.pdf, p.49

Galleon III 1K-3K

upsFault

Also applies to:Galleon III 1KGalleon III 2KGalleon III 3KWinner Pro 1KVA-3KVAWinner Pro+ 1KWinner Pro+ 2KWinner Pro+ 3KOtima II 800VA-3KVA+1

What it means

Battery voltage too high — Fault code 27 shown on the display; the UPS has detected a fault condition: Battery voltage too high.

Cause: Battery voltage too high.

How to fix it

Restart the unit.
If the fault happens again, contact your installer or the repair centre.

Source: Galleon-III-Tower-Rack-1-3K-manual.pdf, p.31 · Winner-Pro_manual.pdf, p.15 · WinnerProPlus-1-3K-Tower-Rack_manual.pdf, p.24 · +2 more official manuals

Frequently asked questions

What does error 27 mean on a Voltronic inverter?: It depends on the model — 12 devices use code 27. On the InfiniSolar 10KW it means: Fan lock. The card for each model on this page gives its exact meaning and fix.
Is error 27 a fault or a warning?: 27 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
How do I clear or fix error 27?: Please contact your installer. 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.

InfiniSolar 10KW

What it means

How to fix it

InfiniSolar E 5.5KW

What it means

How to fix it

InfiniSolar 2KW/3KW

What it means

How to fix it

Galleon III 1K-3K

What it means

How to fix it

Frequently asked questions

Related error codes

Other codes on the InfiniSolar 10KW

Other codes on the InfiniSolar E 5.5KW

Other codes on the InfiniSolar 2KW/3KW

Other codes on the Galleon III 1K-3K