This is the complete fault table for the Voltronic Giant Elite 1P/1P ups — all 19 codes from the official manual on one page. On this Voltronic device, a fault code means the unit has entered protection and stopped normal operation; a warning leaves it running. The exact indication (LED pattern or display code) is listed per code below.
Last checked against the official manuals on July 27, 2026.
Fault code 01 shown on the display; the UPS has detected a fault condition: Bus start failure.
CauseBus start failure.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 02 shown on the display; the UPS has detected a fault condition: Bus over.
CauseBus over.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 03 shown on the display; the UPS has detected a fault condition: Bus under.
CauseBus under.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 11 shown on the display; the UPS has detected a fault condition: Inverter soft start failure.
CauseInverter soft start failure.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 12 shown on the display; the UPS has detected a fault condition: High Inverter voltage.
CauseHigh Inverter voltage.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 13 shown on the display; the UPS has detected a fault condition: Low Inverter voltage.
CauseLow Inverter voltage.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 14 shown on the display; the UPS has detected a fault condition: Inverter output short circuited.
CauseInverter output short circuited.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 21 shown on the display; the UPS has detected a fault condition: Battery SCR short circuited.
CauseBattery SCR short circuited.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 41 shown on the display; the UPS has detected a fault condition: Over temperature.
CauseOver temperature.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Fault code 43 shown on the display; the UPS has detected a fault condition: Overload.
CauseOverload.
Recommended fixRestart the unit. If the fault happens again, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 01 flashing on the display: Battery unconnected.
CauseBattery unconnected.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 07 flashing on the display: Over charge.
CauseOver charge.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 08 flashing on the display: Battery low.
CauseBattery low.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 09 flashing on the display: Overload.
CauseOverload.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 0B flashing on the display: EPO enable.
CauseEPO enable.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 0D flashing on the display: Over temperature.
CauseOver temperature.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 0E flashing on the display: Charger failure.
CauseCharger failure.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 33 flashing on the display: Overload 3 times in 30min.
CauseOverload 3 times in 30min.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Warning code 3A flashing on the display: Cover of maintain switch is open..
CauseCover of maintain switch is open.
Recommended fixThe unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.
Source:Giant-Elite-1P-1P_manual.pdf· page 26
Send us the code on your screen and a Voltronic technician will reply with the exact steps for your unit. Support is free for life — a first diagnosis never needs a callout.
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.