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What are the reasons for the ETC alarm to keep beeping?

1 Answers

AllisonLynn

07/30/25 8:46am

ETC alarm keeps beeping for the following reasons: The newly arrived device has not been activated yet. When driving on the highway, occasional beeping is normal, but continuous beeping indicates an abnormal mailed device. The newly arrived device may have low battery due to shipping and storage time. During installation, the solar panel is placed under a dark film, preventing it from charging. During installation, the anti-tamper button was accidentally pressed and released, causing it to fail and trigger the beeping sound. During the first installation of the ETC device, the glass sensor position was not pressed firmly enough. ETC installation process: Upon receiving the device, first check if the ETC card and electronic tag (OBU) are damaged. Press the anti-tamper button on the back of the OBU, and the red light will briefly turn on. The OLED screen will display "Tag Invalid" or "Please Insert Card," indicating the device is functioning normally. Clean the front windshield to ensure the glass surface is smooth, clean, and dry. Then peel off the OBU adhesive backing and stick it to the installation position. Press firmly for 2-3 minutes to remove air bubbles. Insert the ETC card with the front facing the driver and the back facing the windshield, ensuring the chip is inserted into the OBU device.

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