Also displayed as F2 on some models.
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+19
Over temperature — Fault code 02 shown on the display with the fault icon on: Over temperature.
Cause: Internal temperature of inverter component is over 100°C.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
Source: Voltronic manual, p.47
Also applies to:Axpert MAX 8K TWIN PV11KAxpert MAX E TWIN 11KWAxpert MAX E 11K DuplexAxpert MAX 3.6KW+21
Over temperature — Fault code 02 shown on the display with the fault icon on: Over temperature.
Cause: Internal temperature of inverter component is over 100°C.
Return to repair center.
Source: Voltronic manual, p.39
Also applies to:Axpert VM II 1.2KVAAxpert VM II 2.5KVAAxpert VM II Plus 3KAxpert VM II 3KVA PF1+1
Over temperature or NTC is not connected well — Fault code 02 shown on the display with the fault icon on: Over temperature or NTC is not connected well..
Cause: Internal temperature of inverter component is over 100°C.
Return to repair center.
Source: Voltronic manual, p.29
BUS voltage under — Fault code 02 shown on the display with the fault icon on: BUS voltage under.
Cause: BUS voltage under.
Source: Voltronic manual, p.52
Also applies to:InfiniSolar 15KWInfiniSolar Super 4KWInfiniSolar Plus 5KWInfiniSolar TX-PA 30KW
BUS voltage under — Fault code 02 shown on the display with the fault icon on: BUS voltage under.
Cause: PV or battery disconnect suddenly.
1. Restart the inverter 2. If the error message still remains, please contact your installer.
Source: Voltronic manual, p.50
DC bus voltage falls below the lower threshold — Fault code 02 shown on the display with the fault icon on: DC bus voltage falls below the lower threshold.
Cause: DC bus voltage falls below the lower threshold.
Source: Voltronic manual, p.43
Also applies to:InfiniSolar 2KWInfiniSolar 3KW
DC bus voltage falls below the lower threshold — Fault code 02 shown on the display with the fault icon on: DC bus voltage falls below the lower threshold.
Cause: DC bus voltage falls below the lower threshold.
Source: Voltronic manual, p.46
Battery current is abnormal — Fault code 02 shown on the display with the fault icon on: Battery current is abnormal..
Cause: Battery current is abnormal.
Source: Voltronic manual, p.20
DC bus voltage falls below the lower threshold — Fault code 02 shown on the display with the fault icon on: DC bus voltage falls below the lower threshold..
Cause: DC bus voltage falls below the lower threshold.
Source: Voltronic manual, p.68
Also applies to:Galleon II 6KGalleon II 10KGalleon III 1KGalleon III 2K+10
Bus over — Fault code 02 shown on the display; the UPS has detected a fault condition: Bus over.
Cause: Bus over.
Source: Voltronic manual, p.29
Over temperature — Fault code 02 shown on the display; the UPS has detected a fault condition: Over temperature.
Cause: Internal temperature of UPS component is over 100°C.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
Source: Voltronic manual, p.22
Also applies to:Galleon X9 6K RTGalleon X9 10K RT
Bus Over — Fault code 02 shown on the display; the UPS has detected a fault condition: Bus Over.
Cause: 1) DC bus voltage is too high because of mains input or load transient current. 2) The internal converter failed.
Source: Voltronic manual, p.28
Also applies to:Giant Elite 3P/3P 10K-40KVA
NO Boot Loader — Fault code 02 shown on the display; the UPS has detected a fault condition: NO Boot Loader.
Cause: NO Boot Loader.
Source: Voltronic manual, p.41
Also applies to:SCC-MPPT 300WSCC-MPPT 600WSCC-MPPT 850W
Overload — Fault code F2 shown on the display with the fault icon on: Overload..
Cause: Overload.
Remove excess loads.
Source: Voltronic manual, p.6
Price incl. VATAED 1,438
Price incl. VATAED 1,395
Price incl. VATAED 844
Price incl. VATAED 1,180
Price incl. VATAED 1,703
Price incl. VATAED 723
It depends on the model — 49 devices use code 02. On the Axpert MAX II TWIN it means: Over temperature. The card for each model on this page gives its exact meaning and fix.
02 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high. The exact steps for each affected model are listed on this page.
02 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 KING II TWIN codes All Axpert KING 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 Axpert 3KP/5KP 24V codes All InfiniSolar V II WP codes All ESS-A510 codes
02 is in the "Fault" class on the Axpert MAX TWIN: 29 of the 38 codes documented for it.
All Axpert MAX TWIN codes All Axpert MAX E TWIN codes All Axpert MAX E Duplex codes All Axpert MAX codes All Axpert MKS III TWIN codes All Axpert MKS II codes All Axpert VM III codes All Axpert KS codes All Axpert V (PF1) codes All InfiniSolar V II codes All InfiniSolar V II 1.5KW codes All InfiniSolar V II 6KW (Split Phase) codes All InfiniSolar V codes
02 is in the "Fault" class on the Axpert VM II: 16 of the 24 codes documented for it.
02 is in the "Fault" class on the InfiniSolar WP LV 12KW Premium: 16 of the 35 codes documented for it.
02 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
02 is in the "Fault" class on the InfiniSolar E 5.5KW: 29 of the 34 codes documented for it.
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.