Fault — the unit enters fault protection and stops normal operation until the fault is cleared — how it is shown (LED pattern or display code) depends on the model.
OP Current Sensor fault — Fault code 28 shown on the display with the fault icon on: OP Current Sensor fault.
Cause: OP Current Sensor fault.
Source: Voltronic manual, p.45
Also applies to:InfiniSolar 2KWInfiniSolar 3KW
OP Current Sensor fault — Fault code 28 shown on the display with the fault icon on: OP Current Sensor fault.
Cause: OP Current Sensor fault.
Source: Voltronic manual, p.49
OP current sensor fault — Fault code 28 shown on the display with the fault icon on: OP current sensor fault..
Cause: OP current sensor fault.
Source: Voltronic manual, p.70
Also applies to:Galleon III 1KGalleon III 2KGalleon III 3KWinner Pro 1KVA-3KVA+5
Battery voltage too low — Fault code 28 shown on the display; the UPS has detected a fault condition: Battery voltage too low.
Cause: Battery voltage too low.
Source: Voltronic manual, p.31
Price incl. VATAED 1,288
Price incl. VATAED 1,288
Price incl. VATAED 723
Price incl. VATAED 2,962
It depends on the model — 8 devices use code 28. On the InfiniSolar E 5.5KW it means: OP Current Sensor fault. The card for each model on this page gives its exact meaning and fix.
28 is a fault code: the unit enters protection and stops normal operation until it is cleared.
Shut down the inverter completely. Restart the inverter to see if it's ok. The exact steps for each affected model are listed on this page.
28 is in the "Fault" class on the InfiniSolar E 5.5KW: 29 of the 34 codes documented for it.
28 is in the "Fault" class on the InfiniSolar 2KW/3KW: 29 of the 29 codes documented for it.
28 is in the "Fault" class on the ESS510: 29 of the 39 codes documented for it.
28 is in the "Fault" class on the Galleon III 1K-3K: 13 of the 13 codes documented for it.
All Galleon III 1K-3K codes All Winner Pro codes All Winner Pro+ 1K-3K codes All Otima II codes All Otima II Tower codes
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.