Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.
Also applies to:Axpert MAX II TWIN 8KWAxpert MAX II TWIN 11KWAxpert MAX II TWIN 12KWAxpert MAX II Duplex 8KW+49
Inverter soft start failed
Cause: Internal components failed.
Return to repair center.
Source: Voltronic manual, p.47
Also applies to:InfiniSolar V II 2P 6KW
Inverter soft start failure — Fault code 53 shown on the display with the fault icon on: Inverter soft start failure..
Cause: Internal components failed.
Return to repair center.
Source: Voltronic manual, p.30
Solar2 over temperature — Fault code 53 shown on the display with the fault icon on: Solar2 over temperature.
Cause: Internal temperature is too high.
Source: Voltronic manual, p.52
Bat Curr CT Fault — Fault code 53 shown on the display with the fault icon on: Bat Curr CT Fault.
Cause: Internal components failed.
Please contact your installer.
Source: Voltronic manual, p.51
Price incl. VATAED 917
Price incl. VATAED 1,482
Price incl. VATAED 1,585
Price incl. VATAED 1,438
Price incl. VATAED 1,395
Price incl. VATAED 844
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.
53 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
Return to repair center. The exact steps for each affected model are listed on this page.
53 is in the "Fault" class on the Axpert MAX II TWIN: 29 of the 38 codes documented for it.
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 KING codes All Axpert MKS IV TWIN codes All Axpert MKS IV codes All Axpert MKS III TWIN codes All Axpert MKS II codes All Axpert VM II codes All Axpert VM II (PF1) codes All Axpert VM III codes All Axpert VM IV TWIN (VM4 TWIN) codes All Axpert KS codes All Axpert V (PF1) codes All Axpert WP TWIN codes All Axpert 3KP/5KP 24V codes All InfiniSolar V II codes All InfiniSolar V II 1.5KW codes All InfiniSolar V II WP codes All InfiniSolar V codes All ESS-A510 codes All Galleon One 5KL 48V codes
53 is in the "Fault" class on the InfiniSolar V II 6KW (Split Phase): 28 of the 36 codes documented for it.
53 is in the "Fault" class on the InfiniSolar 15KW: 27 of the 42 codes documented for it.
53 is in the "Fault" class on the InfiniSolar TX-PA 30KW: 55 of the 76 codes documented for it.
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.