Tricity Fanfare 900 Model 2977

Just prior to going out on Sunday a builder rang for me to have a look at the above cooker as the digital clock was in blank mode. The cooker had been stored away for a few months whilst subsidence work was being carried out on the property. On inspection a multi tape cable was wired from the clock to a pcb at the rear. The pcb had a blown input transformer.
Qualtex kindly faxed me a wiring diagram in order to identify the component. However it did not display the part. I would be grateful if someone could enlighten me as to the part number and any reasons for it to blow the transformer