Before installing or handling the V-Guard DU 1000 Smart, read and follow these safety guidelines to prevent accidents or damage to the device.
Plug your sensitive appliances into the output socket at the back of the UPS. v guard du 1000 smart user manual
| Display Code | Meaning | Solution | |--------------|---------|----------| | | Under voltage (<140V) | Check mains supply; use only when grid stable. | | E2 | Over voltage (>290V) | Call electrician – possible neutral failure. | | E3 | Overload / Short circuit | Reduce load (disconnect appliance) → reset unit. | | E4 | Internal temperature high | Improve ventilation; turn off for 30 minutes. | | E5 | Output relay stuck | Contact V-Guard service center. | | --- | No output but mains present | Check input fuse inside unit (requires technician). | Before installing or handling the V-Guard DU 1000
Wipe the outer casing of the inverter with a dry microfiber cloth to prevent dust accumulation blocking the ventilation vents. Do not use water or liquid cleaners. | | E2 | Over voltage (>290V) |
Connect the UPS to a compatible 12V tubular or flat-plate battery. Red Terminal: Positive (+) Black Terminal: Negative (-) Warning: Ensure the connections are tight to avoid sparks.
Never connect the UPS output back into the input socket.
Intelligent thermal management. Smart overload and short circuit protection. High & Low Capacity Inverter Dups from V-Guard