Car parking system troubleshooting and solutions First, the card close to the card reader, you can hear the "call", but can not open the barrier, the Chinese display shows "invalid card."
Possible Causes:
1 The card is invalid (no card issued or authorized);
The connection between the 2nd gate and the card reader is incorrect or not connected.
3 The card reader has been under computer control (the control switch has been shorted), parking lot monitoring has not been opened.
Second, the card close to the card reader, buzzer buzzing, Chinese display no response, in the software monitoring interface can not see the read card number (card reader and computer communication is abnormal).
Possible Causes:
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.
Third, click on the "Open Gate" button in the monitoring interface, the gate will not open, but the manual button can be used to open the gate.
Possible Causes:
1 The "control switch" in the card reader is not short-circuited (disconnected when leaving the factory, and is in the off-line working state; when connected to a computer, it must be connected in a short-circuit state);
2 The computer and card reader cannot communicate properly and the controller cannot receive the opening command. (Check the computer serial port connection is normal, parameter settings are correct)
Fourth, the car can not pass the gate.
Possible Causes:
1 The ground coil is not properly buried or the coil is broken or broken;
2 Vehicle detector power supply is insufficient (Max250mA) or sensing sensitivity is improperly adjusted (too high or too low);
3 The “COM†terminal of the ground-sensing detector is disconnected from or badly connected to the “GND†common ground of the barrier controller.
Possible Causes:
1 The card is invalid (no card issued or authorized);
The connection between the 2nd gate and the card reader is incorrect or not connected.
3 The card reader has been under computer control (the control switch has been shorted), parking lot monitoring has not been opened.
Second, the card close to the card reader, buzzer buzzing, Chinese display no response, in the software monitoring interface can not see the read card number (card reader and computer communication is abnormal).
Possible Causes:
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.
Third, click on the "Open Gate" button in the monitoring interface, the gate will not open, but the manual button can be used to open the gate.
Possible Causes:
1 The "control switch" in the card reader is not short-circuited (disconnected when leaving the factory, and is in the off-line working state; when connected to a computer, it must be connected in a short-circuit state);
2 The computer and card reader cannot communicate properly and the controller cannot receive the opening command. (Check the computer serial port connection is normal, parameter settings are correct)
Fourth, the car can not pass the gate.
Possible Causes:
1 The ground coil is not properly buried or the coil is broken or broken;
2 Vehicle detector power supply is insufficient (Max250mA) or sensing sensitivity is improperly adjusted (too high or too low);
3 The “COM†terminal of the ground-sensing detector is disconnected from or badly connected to the “GND†common ground of the barrier controller.
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