What does error 53 mean on a Voltronic inverter?

It depends on the model — 30 devices use code 53. On the Axpert MAX II TWIN it means: Inverter soft start failed. The card for each model on this page gives its exact meaning and fix.

How do I clear or fix error 53?

Return to repair center. The exact steps for each affected model are listed on this page.

Voltronic inverter error 53

Inverter soft start failed

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

The exact meaning depends on your model:

Axpert MAX II TWIN

InverterFault

Also applies to:Axpert MAX II TWIN 8KWAxpert MAX II TWIN 11KWAxpert MAX II TWIN 12KWAxpert MAX II Duplex 8KWAxpert MAX II Duplex 11KWAxpert MAX II 8KWAxpert MAX II 11KWAxpert MAX 8K TWIN PV11K+45

What it means

Inverter soft start failed

Cause: Internal components failed.

How to fix it

Return to repair center.

Source: Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.47 · Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.55 · Axpert-MAXII-11K-TWIN-Off-grid-manual.pdf, p.47 · +55 more official manuals

InfiniSolar V II 6KW (Split Phase)

InverterFault

Also applies to:InfiniSolar V II 2P 6KW

What it means

Inverter soft start failure — Fault code 53 shown on the display with the fault icon on: Inverter soft start failure..

Cause: Internal components failed.

How to fix it

Return to repair center.

Source: InfiniSolar-VII-2P-6KW-manual-20201207.pdf, p.30 · InfiniSolar-VII-2P-6KW-manual-20201207.pdf, p.32

InfiniSolar 15KW

InverterFault

What it means

Solar2 over temperature — Fault code 53 shown on the display with the fault icon on: Solar2 over temperature.

Cause: Internal temperature is too high.

How to fix it

Check the ambient temperature and fans
If the error message still remains, please contact your installer.

Source: InfiniSolar-15K-manual-20200313.pdf, p.52

InfiniSolar TX-PA 30KW

InverterFault

What it means

Bat Curr CT Fault — Fault code 53 shown on the display with the fault icon on: Bat Curr CT Fault.

Cause: Internal components failed.

How to fix it

Please contact your installer.

Source: InfiniSolar-TX-PA_manual.pdf, p.51

Frequently asked questions

What does error 53 mean on a Voltronic inverter?: It depends on the model — 30 devices use code 53. On the Axpert MAX II TWIN it means: Inverter soft start failed. The card for each model on this page gives its exact meaning and fix.
Is error 53 a fault or a warning?: 53 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 53?: Return to repair center. 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.

Axpert MAX II TWIN

What it means

How to fix it

InfiniSolar V II 6KW (Split Phase)

What it means

How to fix it

InfiniSolar 15KW

What it means

How to fix it

InfiniSolar TX-PA 30KW

What it means

How to fix it

Frequently asked questions

Related error codes

Other codes on the Axpert MAX II TWIN

Other codes on the InfiniSolar V II 6KW (Split Phase)

Other codes on the InfiniSolar 15KW

Other codes on the InfiniSolar TX-PA 30KW