Intelligent parking system common faults and troubleshooting methods

The application of the intelligent parking system not only brings a lot of convenience to our lives, but also gives us a security guarantee. Under the footsteps of the intelligent era, the market demand for intelligent parking systems has increased dramatically, and its effect is obvious. However, due to technical problems, there are sometimes some malfunctions in the smart parking lot. How to solve this problem?
The following small series will sort out the common faults and troubleshooting methods of the intelligent parking lot system for your reference!
 
Common faults in the intelligent parking system: The card is close to the card reader, the buzzer is beeping, the Chinese display does not respond, and the card number read in the software monitoring interface is not visible (the card reader communicates with the computer abnormally).
possible reason:
1 The connection between the controller and the computer is incorrect;
2 The serial port set in the software does not match the actual serial port used.
The common fault phenomenon of the intelligent parking lot system is as follows: When the card is close to the card reader, the sound of “嘀嘀” can be heard, but the gate can not be opened, and the Chinese display shows “invalid card”.
possible reason:
1 card is an invalid card (no issued, authorized card);
The gate control line between the 2-way gate and the card reader is not connected correctly or is not connected.
3 The card reader is in the computer control state (the control switch has been shorted), and the parking lot monitoring is not turned on.
The common fault phenomenon of the intelligent parking lot system is three: the car does not go off.
possible reason:
1 The ground sense coil is buried incorrectly or the coil is damaged or broken;
2 vehicle detector power shortage (Max250mA) or improper sensing sensitivity (too high or too low);
The "COM" end of the 3 sense detector is disconnected or in poor contact with the "GND" common ground of the gate controller.
The common fault phenomenon of the intelligent parking system is four: Click the [Open Gate] button in the monitoring interface, the gate is not open, but the manual button can be used to open the gate.
possible reason:
1 The “control switch” in the card reader is not short-circuited (it is disconnected at the factory and is in offline working state. When it is connected with the computer, it must be short-circuited online);
2 The computer and the card reader cannot communicate normally, and the controller does not receive the open command. (Check if the connection of the computer serial port is normal and the parameter setting is correct)
Intelligent parking system system common fault phenomenon five: with image comparison function, but can not see the image into the parking lot monitoring interface.
possible reason:
1 The video card is not installed correctly (if the driver is not installed correctly);
2 The camera is not powered or the connection between the camera and the video card is incorrect.
3 The parking lot software parameter setting is not correct (such as the entrance and exit, the first choice is not to take the camera).
Common fault phenomenon of intelligent parking system: Six: Chinese display does not display.
possible reason:
Chinese display power supply is in poor contact; display power supply is bad;
The common fault phenomenon of the intelligent parking lot system is seven: the automatic card issuing machine can't send out the card (after detecting the vehicle and pressing the "take card" button, the card issuing machine does not respond or the card issuing machine has an action but cannot release the card).
possible reason:
1 If the card is not responded after pressing the “Card” button, it may be that the card has not been inserted into the card machine or the card machine is not powered (the power plug is disconnected);
2If the “Card” button is pressed, the card machine has an action but cannot release the card. The card slot slot is too small, and the card is stuck and cannot be ejected.
The common fault phenomenon of the intelligent parking lot system is as follows: Click “School Time” in the parking lot import and export monitoring interface, firstly “Successful Time”, then “Communication Error/Failure” (check that all hardware devices are intact).
possible reason:
1 line encounters strong interference (such as co-management of communication line and AC power line);
2 The network expander is damaged, and the input/output signal is distorted;
3 In the software setting, the communication delay setting is too low (generally the minimum is 200ms), too low will cause communication failure;
Common faults in the intelligent parking system: Reading cards on the exit and entrance readers, the card number transmitted to the computer is sometimes correct (can be opened), and sometimes it cannot be opened.
possible reason:
1 line encounters strong interference (such as co-management of communication line and AC power line);
2 The line is too long, beyond the effective communication distance (200M), the signal is seriously degraded;
3 The card reader controls the grounding terminal (signal ground) of the main board to be short-circuited with the AC power ground (power ground), causing communication interference.

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