Keri Systems BioPointe Users Manual - Manual (Page 60)

Communicating with the BioPointe
59
7.3 Troubleshooting Communication Problems
The table below describes some of the problems that are commonly faced and what you can check to resolve
them:
Error reported at TDM
software program Description of Error Items to check
1 Error code 203 (CB hex)
– Zero byte received Device does not respond 1. Check that the serial 9-pin DB
connector is connected to the
serial port of the PC. Ensure that
the correct com port setting is set
on BioPointe Central.
2. Check that the RS232 to
RS422/485 converter has been
switched on.
3. Check that the device has been
powered up.
4. Check that the baud rate at
BioPointe Central and that at the
device are the same
5. Check that the cables are
correctly wired, e.g. Rx+ from the
converter will go into Tx+ of the
device
6. Check the continuity of the cables
by isolating them from other parts
of the network.
2 Error code 199 (C7 hex)
– Receive header wrong
Error code 198 (C6 hex)
– Receive footer wrong
Error code 202 (CA hex)
– CRC mismatch at host
Some garbage was received 1. Check that the baud rate at
BioPointe Central and the device
are the same
2. Check that each individual wire is
not shorted to any other wires
3. If the distance of the cable used
(as in RS422/485 communication)
is reasonably long, try to run at a
lower baud rate).
3 Error code 201 (C9 hex)
- Device ID mismatch
Device ID does not match 1. One of the devices in multi-drop
is configured as "RS232" for the
type of communication.