Firstly, you will need to check if the device is connected to the internet. If it is not, please close browser and check your internet connection. If the device is connected to the Internet, close the browser and reconnect to the internet. Now open Google Chrome and type in pos.tallorder.mobi to check that all is in working order.
These steps should resolve this issue. If you are still having troubles, it could be the POS related. Please email email@example.com and we will get back to you shortly.