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How to determine if your ETC is functioning normally?

2 Answers

SanHenry

07/24/25 9:23am

Here are the methods to determine if the ETC is functioning normally: 1. For a newly received ETC electronic tag (OBU device), when pressing the anti-tamper switch on the back, a red light will briefly illuminate, and the electronic tag screen will display messages such as 'Tag Invalid' or 'Please Insert Card,' indicating that the device is normal and does not affect activation. 2. For an ETC device that has been successfully activated, when inserting the ETC card, the corresponding vehicle information or account balance will be displayed, indicating that the ETC device is functioning normally. 3. If the screen does not display anything after inserting the card, or the ETC light does not turn on and remains blank while the ETC device is powered on, the device may be out of power or damaged. In this case, the device should be taken to an ETC service outlet or highway service office for testing and reactivation. 4. If the ETC electronic tag is invalid due to human damage or the ETC device falling off, the card cannot be used normally no matter how it is inserted, and the account balance will not be displayed. The solution is to take the device to an ETC service outlet for secondary activation.

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VonErin

08/11/25 4:46am

When driving, I always worry about potential ETC malfunctions, so I've developed a simple self-check routine. Before getting in the car, I check the device's indicator light - a steady green means normal operation. Then I glance at the installation position to ensure it's not blocking the windshield signal area. If still unsure, I make a test run through a toll station's ETC lane - if the barrier lifts automatically, the device is working properly, and I verify matching transaction records in the app after deduction. My regular routine includes checking account balance and payment notifications - no anomalies mean no unnecessary worries. Battery aging is a common issue, so I replace it every six months to avoid roadside failures. A flashing red light means immediate repair is needed. Regular dust cleaning also helps prevent problems - you wouldn't want to discover issues when stuck on the expressway, that's just too troublesome.

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