iiNet seamless NBN changeover.... what a joke!!!! ...

iiNet seamless NBN changeover.... what a joke!!!! I went to work this morning with perfectly working internet and recieved an email that we had been switched over. I have just wasted my evening trying to configure the modem with their so called technical help line to be finally told there is an open connection betwwen the node and my premises. I now have to wait until tomorrow for a call to find out when they have a 'slot' for an engineer to come out to fix, I am now not only left without any internet for God knows how long but have to either waste my weekend waiting in, or even worse take time off work to wait for them.
What kind of engineer (I use this term lightly) doesn't test their work. Do yourself a favour, don't bother and find a different provider