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+47
Battery voltage is too low
Cause: Battery voltage is too low.
Source: Voltronic manual, p.47
INV soft start time out — Fault code 04 shown on the display with the fault icon on: INV soft start time out.
Cause: INV soft start time out.
Source: Voltronic manual, p.52
Also applies to:InfiniSolar 15KWInfiniSolar Super 4KWInfiniSolar Plus 5KWInfiniSolar TX-PA 30KW
INV soft start time out — Fault code 04 shown on the display with the fault icon on: INV soft start time out.
Cause: Internal components failed.
Please contact your installer.
Source: Voltronic manual, p.50
Inverter soft-start is time-out — Fault code 04 shown on the display with the fault icon on: Inverter soft-start is time-out.
Cause: Inverter soft-start is time-out.
Source: Voltronic manual, p.43
Also applies to:InfiniSolar 2KWInfiniSolar 3KW
Inverter soft-start is time-out — Fault code 04 shown on the display with the fault icon on: Inverter soft-start is time-out.
Cause: Inverter soft-start is time-out.
Source: Voltronic manual, p.46
Average input current is abnormal — Fault code 04 shown on the display with the fault icon on: Average input current is abnormal..
Cause: Average input current is abnormal.
Source: Voltronic manual, p.20
Inverter soft-start is timeout — Fault code 04 shown on the display with the fault icon on: Inverter soft-start is timeout..
Cause: Inverter soft-start is timeout.
Source: Voltronic manual, p.68
Also applies to:Galleon II 6KGalleon II 10KGalleon III 1KGalleon III 2K+7
Bus unbalance — Fault code 04 shown on the display; the UPS has detected a fault condition: Bus unbalance.
Cause: Bus unbalance.
Source: Voltronic manual, p.29
Also applies to:Galleon X9 6K RTGalleon X9 10K RT
Bus Unbalance — Fault code 04 shown on the display; the UPS has detected a fault condition: Bus Unbalance.
Cause: 1) The load is special or abnormal, so the internal positive and negative DC bus voltages are unbalanced. 2) The internal converter failed.
Contact the dealer.
Source: Voltronic manual, p.29
Also applies to:Giant Elite 3P/3P 10K-40KVA
BUS Soft start timeout — Fault code 04 shown on the display; the UPS has detected a fault condition: BUS Soft start timeout.
Cause: BUS Soft start timeout.
Source: Voltronic manual, p.41
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 — 43 devices use code 04. On the Axpert MAX II TWIN it means: Battery voltage is too low. The card for each model on this page gives its exact meaning and fix.
04 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
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.
04 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 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 6KW (Split Phase) codes All InfiniSolar V II WP codes All InfiniSolar V codes All ESS-A510 codes All Galleon One 5KL 48V codes
04 is in the "Fault" class on the InfiniSolar WP LV 12KW Premium: 16 of the 35 codes documented for it.
04 is in the "Fault" class on the InfiniSolar 10KW: 23 of the 40 codes documented for it.
All InfiniSolar 10KW codes All InfiniSolar 15KW codes All InfiniSolar Super 4KW codes All InfiniSolar Plus 5KW codes All InfiniSolar TX-PA 30KW codes
04 is in the "Fault" class on the InfiniSolar E 5.5KW: 29 of the 34 codes documented for it.
04 is in the "Fault" class on the InfiniSolar 2KW/3KW: 29 of the 29 codes documented for it.
04 is in the "Fault" class on the DC Converter 3KW: 9 of the 15 codes documented for it.
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.