1. The remote control operation does not work. When the remote control function keys are pressed, the red LED of the remote control does not light.
Analysis of reasons: This fault is mostly in the remote control itself, and there are the following situations: (1) The battery is exhausted; (2) The battery is positive or negative, and the reed is rusty or in poor contact; (3) The remote controller is rained or Water, oil, etc. In this regard, the circuit board can be removed, cleaned with industrial alcohol, dried with a household hair dryer or allowed to dry naturally before use.
2. The remote control distance becomes shorter and shorter. When the signal is transmitted, the LED brightness of the remote controller becomes dark or flickering.
Analysis of the reasons: This phenomenon is mostly battery power, replace the battery. In addition to this, it is recommended not to adjust or replace the components of the remote control yourself to avoid causing greater losses.
3. A function key of the remote controller fails. When this key is pressed, the LED indicator does not light.
Analysis of the reason: The failure of a function key (other function keys are normal) is mainly because the function keys are damaged or the soldering points of the key pins and the circuit board are detached. The keys of the remote control are mostly micro-switches, which are usually light when used, and they are waterproof, drop-proof, and heavy.
4. When the remote controller is not in use, the LED indicators are often on their own, or the battery LED indicator is on as long as the battery indicator is on, and the remote control does not respond.
Analysis of Causes: When the remote controller is not pressing the button, the indicator light is often on its own, and the button of the remote controller is usually mechanically damaged. The performance of the button is not good, no elasticity, replace the button. For the jump code type remote controller, pressing the function keys of the remote controller has no response. After the battery is replaced or the battery is reinstalled, the LED indicator is on for 20 to 40 seconds, and then no response occurs. This shows that the button is short-circuit damage, if there is no abnormality in the hand, you can use the multimeter R×1 file to test the buttons on the road, then replace the short-circuit button.
5. The vehicle will automatically stop for 30 to 40 seconds and enter an alarm state. After the anti-theft function is released, the above conditions will be repeated during driving.
Analysis of reason: This phenomenon is caused by operating the remote control in the vehicle and causing secondary automatic theft prevention. As long as the anti-theft function key is pressed, the door is opened and closed again, and the problem can be solved. The remote control for automobile anti-theft system is limited by volume, and the function keys are generally not more than four, so that each key is often given several functions, and the function controlled by the same function key is different in some state, or the function is more than one. With the completion of the keys, special attention should be used.
6. The vehicle is in the anti-theft state. Use the remote controller to disarm the anti-theft.
Analysis of the reasons: In the anti-theft state of the system, due to failure of the remote control or system host (mainframe is mostly remote receiving circuit failure), causing the release of anti-theft failure (the remote control loses control of the system), the car direction light (dual lights) , The alarm horn often sounds and the vehicle cannot start driving. At this time, the anti-theft system can only be temporarily removed, which requires the user to pay attention to the general installation position of the anti-theft system host. If you do not know the location of the anti-theft device, you can find the system host according to the LED indicators of the anti-theft system, ultrasonic sensor probes or alarm horns, and unplug the connector of the alarm system host and the vehicle. In addition, some remote-controlled car anti-theft alarm system host has an emergency release function, you do not need to remove the system host, you can suspend the use of the anti-theft device.
7. The car anti-theft system is working properly and the ignition motor is operating normally but the vehicle cannot be started.
Cause analysis: This phenomenon may be caused by an alarm or an electrical fault in the vehicle itself. Judgment method is: the car alarm accessories cut off the ignition relay (12V/30A, generally placed near the car's key door) short two thick lines, if the vehicle can start at this time, indicating that the anti-theft system is faulty, and mostly relay damage. If you short-circuit the two thick wires to cut off the ignition relay, the vehicle still cannot start, indicating that the circuit of the automobile itself is faulty. In addition, when the vehicle encounters a bumpy road during driving, it is easy to turn off or instantaneously turn off. Special attention should be paid to the fact that the normally closed contact of the cut off ignition relay has poor contact and loose wiring.
8. When you turn on the car and turn the lights, the other side is also on.
Analysis of reason: This fault is the diode breakdown of the voltage output of the anti-theft system controlling the car's directional light (dual helium lamps) (some of the two diodes are inside the host, and some are attached to the connection). Excluding the same type of diode can eliminate the problem. malfunction.
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Analysis of reasons: This fault is mostly in the remote control itself, and there are the following situations: (1) The battery is exhausted; (2) The battery is positive or negative, and the reed is rusty or in poor contact; (3) The remote controller is rained or Water, oil, etc. In this regard, the circuit board can be removed, cleaned with industrial alcohol, dried with a household hair dryer or allowed to dry naturally before use.
2. The remote control distance becomes shorter and shorter. When the signal is transmitted, the LED brightness of the remote controller becomes dark or flickering.
Analysis of the reasons: This phenomenon is mostly battery power, replace the battery. In addition to this, it is recommended not to adjust or replace the components of the remote control yourself to avoid causing greater losses.
3. A function key of the remote controller fails. When this key is pressed, the LED indicator does not light.
Analysis of the reason: The failure of a function key (other function keys are normal) is mainly because the function keys are damaged or the soldering points of the key pins and the circuit board are detached. The keys of the remote control are mostly micro-switches, which are usually light when used, and they are waterproof, drop-proof, and heavy.
4. When the remote controller is not in use, the LED indicators are often on their own, or the battery LED indicator is on as long as the battery indicator is on, and the remote control does not respond.
Analysis of Causes: When the remote controller is not pressing the button, the indicator light is often on its own, and the button of the remote controller is usually mechanically damaged. The performance of the button is not good, no elasticity, replace the button. For the jump code type remote controller, pressing the function keys of the remote controller has no response. After the battery is replaced or the battery is reinstalled, the LED indicator is on for 20 to 40 seconds, and then no response occurs. This shows that the button is short-circuit damage, if there is no abnormality in the hand, you can use the multimeter R×1 file to test the buttons on the road, then replace the short-circuit button.
5. The vehicle will automatically stop for 30 to 40 seconds and enter an alarm state. After the anti-theft function is released, the above conditions will be repeated during driving.
Analysis of reason: This phenomenon is caused by operating the remote control in the vehicle and causing secondary automatic theft prevention. As long as the anti-theft function key is pressed, the door is opened and closed again, and the problem can be solved. The remote control for automobile anti-theft system is limited by volume, and the function keys are generally not more than four, so that each key is often given several functions, and the function controlled by the same function key is different in some state, or the function is more than one. With the completion of the keys, special attention should be used.
6. The vehicle is in the anti-theft state. Use the remote controller to disarm the anti-theft.
Analysis of the reasons: In the anti-theft state of the system, due to failure of the remote control or system host (mainframe is mostly remote receiving circuit failure), causing the release of anti-theft failure (the remote control loses control of the system), the car direction light (dual lights) , The alarm horn often sounds and the vehicle cannot start driving. At this time, the anti-theft system can only be temporarily removed, which requires the user to pay attention to the general installation position of the anti-theft system host. If you do not know the location of the anti-theft device, you can find the system host according to the LED indicators of the anti-theft system, ultrasonic sensor probes or alarm horns, and unplug the connector of the alarm system host and the vehicle. In addition, some remote-controlled car anti-theft alarm system host has an emergency release function, you do not need to remove the system host, you can suspend the use of the anti-theft device.
7. The car anti-theft system is working properly and the ignition motor is operating normally but the vehicle cannot be started.
Cause analysis: This phenomenon may be caused by an alarm or an electrical fault in the vehicle itself. Judgment method is: the car alarm accessories cut off the ignition relay (12V/30A, generally placed near the car's key door) short two thick lines, if the vehicle can start at this time, indicating that the anti-theft system is faulty, and mostly relay damage. If you short-circuit the two thick wires to cut off the ignition relay, the vehicle still cannot start, indicating that the circuit of the automobile itself is faulty. In addition, when the vehicle encounters a bumpy road during driving, it is easy to turn off or instantaneously turn off. Special attention should be paid to the fact that the normally closed contact of the cut off ignition relay has poor contact and loose wiring.
8. When you turn on the car and turn the lights, the other side is also on.
Analysis of reason: This fault is the diode breakdown of the voltage output of the anti-theft system controlling the car's directional light (dual helium lamps) (some of the two diodes are inside the host, and some are attached to the connection). Excluding the same type of diode can eliminate the problem. malfunction.
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