# Serial port message console

**URL:** <https://discourse.nodered.org/t/serial-port-message-console/10029>\
**Category:** General\
**Created:** [11 April 2019 15:16 UTC](https://discourse.nodered.org/t/serial-port-message-console/10029 "2019-04-11T15:16:32Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![hathemi](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/hathemi/32/3792_2.png) [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Post date:** [11 April 2019 15:16 UTC](https://discourse.nodered.org/t/serial-port-message-console/10029/1 "2019-04-11T15:16:32Z")

</div>

![Sans%20titre](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/2X/3/3e76728b678a770d26e4f69e0aa3e74334b8933e.png)  
can anyone explain me what's WF2 and AC refers to ??  
i keep getting this message in console each tie i deploay serial port node ..

---

<div class="post-metadata">

**Author:** ![dceejay](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dceejay/32/38_2.png) [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Post date:** [11 April 2019 15:31 UTC](https://discourse.nodered.org/t/serial-port-message-console/10029/2 "2019-04-11T15:31:48Z")

</div>

ooops - some extraneous debug left in from latest updates.. - will be removed in 8.1 shortly, but totally harmless in the meantime.