The T&Cs are many as to how and when it is applied and, for a short-term outage, the money is not very great.
Once your fault is actually fixed, it should (in theory) be applied to cover the down-time as per the scheme terms. You might, however, also have to chase for it as well if you don't see a suitable credit afterwards.
Re: my vm should have cancelled today but its still on
3 weeks ago
So i had the oomph bundle and the sim was included, my package has been disconnected but they have informed me the sim will still be active for a month but i have no need for it and dont know whether i will be charged for it i was not told to cancel them media and phone seperately.