81Fault

Voltronic inverter error 81

Host loss

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+22

What it means

Host loss

Cause: Host loss.

How to fix it

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

Source: Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.64 · Axpert-MAXII-11K-TWIN-Off-grid-manual.pdf, p.64 · Axpert-MAXII-8K-Duplex-Off-grid-manual.pdf, p.61 · +16 more official manuals

InfiniSolar TX-PA 30KW

InverterFault

What it means

Para HOST Loss — Fault code 81 shown on the display with the fault icon on: Para HOST Loss.

Cause: Para HOST Loss.

How to fix it

  1. 1.Check if communication cables are connected well and restart the inverter.
  2. 2.If the problem remains, please contact your installer.

Source: InfiniSolar-TX-PA_manual.pdf, p.52

Frequently asked questions

What does error 81 mean on a Voltronic inverter?
It depends on the model — 18 devices use code 81. On the Axpert MAX II TWIN it means: Host loss. The card for each model on this page gives its exact meaning and fix.
Is error 81 a fault or a warning?
81 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 81?
Restart the unit. If the fault happens again, 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 Axpert MAX II TWIN

All Axpert MAX II TWIN codes All Axpert MAX II Duplex codes All Axpert MAX II codes All Axpert MAX TWIN codes All Axpert MAX E TWIN codes All Axpert MAX E Duplex codes All Axpert MAX codes All Axpert KING II TWIN codes All Axpert MKS IV TWIN codes All Axpert MKS IV codes All Axpert MKS III TWIN codes All Axpert WP TWIN codes All Axpert 3KP/5KP 24V codes All InfiniSolar V II codes All InfiniSolar V II 6KW (Split Phase) codes All InfiniSolar V II WP codes All Galleon One 5KL 48V codes

Other codes on the InfiniSolar TX-PA 30KW

All InfiniSolar TX-PA 30KW codes

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