8020 Error Reading Comm Device
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Error Reading Comm Device 8020 Vb6
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Mscomm Error Reading Comm Device
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8020 Error Reading Comm Device Windows 7
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Runtime Error 8020 Prolific
reading comm device Tweet Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode October 17th, 2005,01:48 AM #1 tpadhu View Profile View Forum Posts Member https://support.microsoft.com/en-us/kb/841700 Join Date Oct 2005 Posts 113 Run-time error '8020' Error reading comm device hi, how to solve Run-time error '8020' - (Error reading comm device ) any ideas? thanks October 17th, 2005,03:35 AM #2 Bill Crawley View Profile View Forum Posts Visit Homepage Senior Member Join Date Aug 2000 Location Essex, Uk Posts 1,214 Re: Run-time error '8020' Error reading comm device Please show how you have declared the connection and how you are attempting to open the port http://forums.codeguru.com/showthread.php?361220-Run-time-error-8020-Error-reading-comm-device Also check this out http://support.microsoft.com/default...b;en-us;318784 If you find my answers helpful, dont forget to rate me October 17th, 2005,04:30 AM #3 tpadhu View Profile View Forum Posts Member Join Date Oct 2005 Posts 113 Re: Run-time error '8020' Error reading comm device hi, This is my port setting procedure. Is anything wrong? Some times i'm getting " Set comm state failure error" too. Private Sub Form_Load() With MSComm1 .CommPort = 1 .RThreshold = 1 .Settings = "38400,n,8,1" .InputLen = 0 .SThreshold = 1 .InBufferCount = 0 .OutBufferCount = 0 .PortOpen = True End If MSComm1.Output = Chr(65) + Chr(80) + Chr(48) + Chr(13) End With Waiting for ur suggestions. Thank you. October 17th, 2005,04:53 AM #4 Bill Crawley View Profile View Forum Posts Visit Homepage Senior Member Join Date Aug 2000 Location Essex, Uk Posts 1,214 Re: Run-time error '8020' Error reading comm device There's nothing obviously wrong with the way you are handeling the port. However it may be worth check the Device instructions to ensure that you are using the right kind of 'handshaking'. Set comm state failure error - often occurs when the 'handshake' is in-correct. i.e. you might be using odd parity when it should be even. If you find my answers helpful, dont forget to rate me February 28th, 2011,02:20 PM #5 ch701builder View Profile View Forum Posts Junior Member Join Date Dec 2006 Posts 13 Re: Run-time e