Registration sometimes lost, how to register?

```
it's possible to lose registration - commands will stop working,
if this happens you need to send the command:

999,!F*p 

raw through the api - that will register the device (PC) with the wifilink
```

Original issue reported on code.google.com by `steve.ai...@intelligentplant.com` on 27 Jan 2015 at 4:51
