First, check the power indicator and make sure the power cable, signal cable, and connectors are securely connected. Then verify that the input signal source and display brightness are correct and that the connected host system is operating normally. When it is safe to do so, securely reconnect the cables and restart the device.
Power input specifications and startup procedures may vary by model. For example, some models in the LPC-P101 series use DC 12 to 24 V input and a 3-pin power terminal. For military, vehicle-mounted, or maritime platforms, also verify that the power input range, grounding, surge protection, and signal interfaces meet the project requirements. If the issue persists, please provide the model number, serial number, power and signal connection details, indicator status, and checks already performed so that ELGENS can conduct a systematic diagnosis.