停车场常见问题以及故障解决

1、停车场常见问题以及故障解决parking lot system: parking system failure analysis and processingtoday i will introduce you to some of the troubleshooting and handling methods encountered in the parking lot system:1, no communicationwhy: 485 communication lines are broken, short circuited or wrong. (more common)treat

2、ment: check the communication line, check the connection, make sure the communication line is not broken, short circuit or wrongreason: the control plate number is set incorrectly; (more common)processing method: check number set is correct, check other panel in the system, see if any repeat number,

3、 according to the instruction set of methods to set up immediately.reason: managing the software communication port settings error; (more common)processing method: check management software in the system settings 】【communications port, whether in accordance withthe corm ection, if the control panel

4、is con nected port is a usb or pci extension, please in the operating system < device manager > view port, please pay special attention to: usb extension port 232 stability is poorer, often plug can cause the port number changes, when conditions permit, try choosing pci card serial port extens

5、ion.reason: communication ports conflict with other software; (less common)how to handle it: check whether other software has enabled the communication port and shut down other softwarers485 card damage or damage to computer serial port; (less common)treatment: replace the rs485 communication conver

6、ter, and the computer installs the pci serial port extension card or replace the computerreason: control board communication circuit failure; (less common)treatment: repair or replace control panelfor reasons: the management software version does not match the control board; (less common)process: re

7、install the software that matches the control boardcommunication is unstable (intermittent)reason: the communication line is longer, and the wiring is not standard, and the connection between the common and non-doublestranded wire is not reliable, (more common)processing method: replace the communic

8、ation line, if the site conditions, can increase 120 q terminal resistance, or an increase of 485 repeaters,reason: the load capacity of the rs-485 communication converter is poor. (more common)process: changing the rs-485 converter, if the system is more, can increase the rs-485 converterwhy: the c

9、omputer serial port or the rs-485 converter is unstable; (less common)how to handle: replace the rs-485 communications converter, install a serial extension card or replace a computer, and avoid using usb to extend 232 portsreasons: control board communication circuit is unstable;(less common)treatm

10、ent: repair or replace control pane1.database connection failed to login software(1) causes: server name, database name, login account, or login password error; (more common)handling methods: check the server name, database name, login account, login password, enter the correct information,tip:a, th

11、e name of the server, the database name, the login account, and the login password cannot be used in chinese characters, full angle characters or other special charactersb, if the database is installed on the machine, the name of the server can be replaced by or (local) c, if the database is install

12、ed on other computers (servers) on the lan, the server name can be replaced with the server's ip addressd, when a software is being used, when a database cannot be connected, it is often useful to try to change the name of the server(2) causes: the sql service manager is not up and the sql datab

13、ase is not installed; (more common)processing: install the sql database correctly and start the sql service manager;tip:a, change the windows user name (administrator), can cause is using sql service manager can，t start, if changed the windows login user and password, create sql cannot begin the ser

14、vice manager need to do this: control panel - > administrative tools 一 > services 一 > find ms sql server service 一 > right click onit - > properties - > login - > modify the start the service account and passwordb, install was not completely successful, sql database to install,

15、there will be prompted to the installation of an unfinished hangs, refused to continue the installation, you can use the following method: open the registry editor, in hkey_local_machine system currentcontrolset control session manager find pendingfilerenameoperations projects, and delete it. this w

16、ill remove the installation suspend projectc, if the computer operating system is not a server version, such as windows xp, install microsoft sql server 2000 simplified chinese version, or install the sql server desktop enginethe windows xp home simplified version, which is installed by a part of th

17、e license plate, does not support some advanced applications, which may cause sql server to not be used properly. please use windows 2000 server or win2003 server.(3) cause: computer security restrictions, sql server security settings errors, operating system security restrictions; (more common)how

18、to handle it: properly set up security software, such as windows firewall, to reset sql database security properties:a, the firewall and other safety protection software may be turned off or uninstalled if necessary;b, open the enterprise manager server group > on sq l >right click the server

19、name > properties - > click in the sql server properties - > security, the，authentication/，choice in sql server and windows"c, if the server is using a windows xp operating system, more prone to the workstation cannot connect the sql server database, available in the server and the wor

20、kstation to build a different windows user name and password, workstation with this user login, database connection is norma1.(4) cause: the network connection is wrong; (more common)handling methods: repairing the network;the software runtime appears microsoft odbc sql server driver sql server driv

21、er sql server object name ' * * * * * * * invalid(1) causes: when the database is created manually, the database script is not executed in the query parser; (more common)processing: executing database scripts in a query parser, or automatically creating a new database in software database creati

22、on;after you open the sql query analyzer, be careful to select the database you created for your target library.after "execute the query,z，the result column will prompt "the command has been successfully completed", and if prompted for something else, the execution fails and the execu

23、tion needs to be re-executed(2) cause: the database is corrupted or the software and database are not the same version; (less common)how to handle it: if a new system is not officially enabled, you can retest the database script in the query parser and test it again. if the system is officially used

24、 and produced, contact computer professionals or contact the supplierno monitor image (monitor window display fixed image)cause: the parking lot software is not set up correctly; (more common)how to do it: in the car setting,reset the video card options;tip:a, be careful to choose the video cardin b

25、/lane settings, the lanes that have image contrast must choose whether to monitor or notc, check if you have any other application software/test software for video.(2) causes: the video capture card driver not installed or installed version errors; (more common)methods: in the device manager of the

26、computer to check the video capture card driver in stalled correctly, do you have any installation, installation is installed, it installation is not correct, delete it, then reinstal 1. if the computer didn，t detect the video capture card, can remove the video capture card installed to another pci

27、slot or install on another computer, if the computer still cannot detect the video capture card is damagedtip:,install a video card driver must choose corresponding driver in the parking lot software installation package, do not use the video card attached to the driver cd, because each video card h

28、as multiple versions of the driver, provided with drivers are mostly used as video surveillance, and parking lot software developinent version of the drive completely different;when you install the driver, you will choose to manually install it at every step until "from disk installation",

29、 navigating the selected driver in the installation package.6, the image cannot be adjusted when the entry is unable to compare or record the recordcause: the image save path is not set correctly; (more common)process: reset the image save pathtip:the image preservation path should not use chinese c

30、haracters, full angle characters or other special charactersb, image path reference settings: single machine version d: photo , network edition parkserver photo c, some number of operating system shared access restricted, such as windows xp professional, suggest larger parking system use windows 200

31、3 server or windows 2000 server as the server operating systemcheck the report for "printer errorsz，cause: no default printer driver is installedhow to handle it: install a printer drivertip:a, install only one printer driver and do not need to configure the printerb, at the beg inning - > p

32、rinter dnd facsimile - > adds a printer, which is driven by adding a printer to the printer wizardwhen printing the report, "the report width is greater than the width of the paper"cause: the default printer，s paper setting and report do not matchhow to do it: reset the printer's pa

33、pertip:a, set the page in the printer attribute to horizontal;b, if you select a lot of fields, you might want to export your data to excel and reprint it.when exporting data to excel, the "export failurecause: office software office is incompletehow to handle it: install excel and access in th

34、e microsoft office component.tip:run the office installation package and select z，add or remove functionality" in maintenance mode options:select "excel" and "access" in the custom installation options, click update, and follow the steps.no voice tipscause: voice volume is tuned to the minimum, horn damage, line failure, voice board damage(less common)processing method: voice volume is tuned to the minimum: adjustable potentiometer on the voice board horn damage: can be used to measure whe