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). |

: Enables the use of high-intensity appliances (e.g., iron, coffee maker) for short periods (up to 15 minutes). v guard du 1000 smart user manual

Regular maintenance is essential to ensure the optimal performance of your V Guard DU 1000 Smart. Here are some maintenance tips: | Display Code | Meaning | Solution |