Problems with the USB connection at the CBT2

Problems with the USB connection at the CBT2

Problems withthe USB connection at the CBT2

occurringErrors can express themselves as follows:

  • Participant list will onlyIncompletely built
  • Uncontrolled demolition ofMeasurements
  • Protocol monitor stops
  • Tester disappears from theStatus bar and is recognized again shortly thereafter

With theKey combination Ctrl-Alt‐O you can call the debug window. MaybeFind there hints of a faulty USB connection there. TypicalError messages are:

[Usb]Main - Command lay unguelt, Size = 1, SizeInv = 65535

[USB] Main - Command-CRC error, CID = 0x02, CRC =0x0103, Size = 0

USB connection problems between PC and CAN busTester 2 can have different causes.

  1. PleaseCheck the tester with another USB cable. The original USB cableFrom the suitcase is a high-quality certified cable. It cannotReplaced by inexpensive cables from the discounter.
    USB extensions can cause problems and should generally be avoidedBecome.
  2. IfCan test the CBT2 on another computer. Should theProblems do not occur there, must be on the problematic computer afterA solution be sought. For example, try anotherUSB port or switch a USB hub between computer and tester.
  3. Timing problemsin the galvanic separation of the USB port was connected witholder software versions to USB connection stability problems.Please use a software version from 4.7.8.2 with a changedTiming of USB connection.