This usually occurs with modified square wave systems, but the Prime 1150 features a Pure Sine Wave output.
For the most accurate technical specifications, wiring diagrams, and warranty information, it is recommended to download the official user manual. vguard prime 1150 user manual pdf
Turn off the inverter switch to preserve the remaining battery health. Wait for grid power to return so the unit can automatically recharge. 4. Backing up normally, but appliances are humming loudly This usually occurs with modified square wave systems,
Model numbers vary by region. If your device says "VGuard Digi 1150" or "VGuard Crystal 1150," the troubleshooting steps above are 90% identical, but always verify the input range in your specific PDF. and warranty information
Place the inverter on a flat, dry, and well-ventilated surface.