Gas oven ruined? When I turn on my gas oven there is no nouns (hiss)...

When I turn on my gas oven there is no nouns (hiss) of gas coming through and flame is very small and flickering so not sufficiently expert to use.I have no problem next to the grill or hob.Any ideas please would it be worth fixing as cooker is 10 years hoary.
Where can I buy a ballast for a...
Answers:    You should be able to pull the oven burner out just by lifting it by appendage. Then check all the holes are clear. subsequent, look at one end where on earth the burner was and you will see the gass spout. Get a small needle and verbs the end of the squirt. Replace burner correctly and test.
I'm locked out of my room!?
Grease blocked the pipe perchance?
Get a gas engineer out..