# OpenHAB - Serial port write error

**URL:** <https://forum.velbus.eu/t/openhab-serial-port-write-error/15765>\
**Category:** English\
**Created:** [April 30, 2019, 7:20pm UTC](https://forum.velbus.eu/t/openhab-serial-port-write-error/15765 "2019-04-30T19:20:04Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![CobleS](https://forum.velbus.eu/user_avatar/forum.velbus.eu/cobles/32/4696_2.png) [@CobleS](https://forum.velbus.eu/u/CobleS)\
**Post date:** [April 30, 2019, 7:36pm UTC](https://forum.velbus.eu/t/openhab-serial-port-write-error/15765/3 "2019-04-30T19:36:23Z")

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I access those logs with either “my-rpi-ip”:9001  
Or when I PuTTy (is that Telnet?) to “my-rpi-ip”:22 , login and then use the command “openhab-cli showlogs”

Maybe some extra info: @MDAR has helped me a lot in these forum entries:  
[https://forumtest.velbus.eu/t/velbus-binding-for-openhab/14992/151](https://forumtest.velbus.eu/t/velbus-binding-for-openhab/14992/151)  
[https://forumtest.velbus.eu/t/how-to-install-and-run-velserv-a-velbus-tcp-gateway/15422/2](https://forumtest.velbus.eu/t/how-to-install-and-run-velserv-a-velbus-tcp-gateway/15422/2)

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