Good afternoon, my name is ***** ***** I will assist you today.
Unfortunately the bulb is deemed a consumable, and not covered under the KnowHow support agreement.
Can you please clarify when you turn the glass housing anti clockwise, what happens does it reach a point where it will not turn any further anti clockwise?
Please give me a few minute to double check the specification I have for your oven.
Instructions for changing your oven bulb can be found on the manual here, page 21.
In summary, you replace the bulb as follows:
Please let me know how you get on.
Excellent, have a good afternoon.