W32Warning

Voltronic inverter error W32

Communication failure between inverter and display panel

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

The exact meaning depends on your model:

Axpert MAX II TWIN

InverterWarning

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 MKS 4 TWIN 6KW+6

What it means

Communication failure between inverter and display panel — Warning code 32 flashing on the display: Communication failure between inverter and display panel.

Cause: Communication failure between inverter and display panel.

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: Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.48 · Axpert-MAXII-11K-TWIN-Off-grid-manual.pdf, p.48 · Axpert-MAXII-8K-Duplex-Off-grid-manual.pdf, p.45 · +7 more official manuals

Axpert MAX TWIN

InverterWarning

Also applies to:Axpert MAX 8K TWIN PV11KAxpert MAX E TWIN 11KWAxpert MAX E 11K DuplexAxpert MAX 3.6KWAxpert MAX 6.5KWAxpert MAX 7.2KWAxpert VM III 1.5KWAxpert VM III 3KW+1

What it means

Communication failure between inverter and remote display panel — Warning code 32 flashing on the display: Communication failure between inverter and remote display panel.

Cause: Communication failure between inverter and remote display panel.

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: Axpert-MAX-8K-TWIN-Off-grid-manual-20220121.pdf, p.40 · Axpert-MAX-E-TWIN-11K-Off-grid-manual-20220121.pdf, p.41 · Axpert-MAX-E-11K_Duplex_manual.pdf, p.41 · +2 more official manuals

Axpert KING II TWIN

InverterWarning

Also applies to:Axpert KING II TWIN 6KWAxpert KING II TWIN 6.2KWAxpert KING 3KWAxpert KING 5KWAxpert MKS III TWIN 6KW

What it means

Communication interrupted — Warning code 32 flashing on the display: Communication interrupted.

Cause: Communication interrupted.

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: Axpert-KING-II-TWIN-manual-20220915.pdf, p.36 · Axpert-KING-manual.pdf, p.31 · Axpert-MKS-III-TWIN-6K-manual.pdf, p.36

InfiniSolar WP LV 12KW Premium

InverterWarning

What it means

Communication lost between DSP and communication board — Warning code 32 flashing on the display: Communication lost between DSP and communication board.

Cause: Communication lost between DSP and communication board.

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

ESS510

Energy storage systemWarning

What it means

Communication lost between inverter and display panel — Warning code 32 flashing on the display: Communication lost between inverter and display panel..

Cause: Communication lost between inverter and display panel.

How to fix it

  1. Restart the unit again.
  2. If problem still exists, please contact your installer.

Source: ESS510-manual.pdf, p.71

Frequently asked questions

What does error W32 mean on a Voltronic inverter?
It depends on the model — 18 devices use code W32. On the Axpert MAX II TWIN it means: Communication failure between inverter and display panel. The card for each model on this page gives its exact meaning and fix.
Is error W32 a fault or a warning?
W32 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 W32?
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 Axpert MAX II TWIN

All Axpert MAX II TWIN codes All Axpert MAX II Duplex codes All Axpert MAX II codes All Axpert MKS IV TWIN codes All Axpert MKS IV codes All Axpert VM IV TWIN (VM4 TWIN) codes All Axpert WP TWIN codes All ESS-A510 codes

Other codes on the Axpert MAX TWIN

All Axpert MAX TWIN codes All Axpert MAX E TWIN codes All Axpert MAX E Duplex codes All Axpert MAX codes All Axpert VM III codes

Other codes on the Axpert KING II TWIN

All Axpert KING II TWIN codes All Axpert KING codes All Axpert MKS III TWIN codes

Other codes on the InfiniSolar WP LV 12KW Premium

All InfiniSolar WP LV 12KW Premium codes

Other codes on the ESS510

All ESS510 codes

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