Halogen light failure

[x332race]

The 12v halogen lights in my cooker hood have both stopped working at the same time. I have checked bulbs and they are both good. Have stripped the hood and established that the power switch for lights is ok....there is power going to the cooker hood as the fan still works. All wiring seems to be intact.

Only thing left is the transformer....do these fail??...I have noticed in the past a slight "humming" when the lights have been on..could this indicate that the transformer was on way out?

 

[Sp!ke]

Just check there is 240va input and a 12v output from the transformer.

Replacement transformers are reasonably chap to replace.

See
Low Voltage Lighting - Transformers

 

[Ted]

meter on AC!!!!!!!

 

[x332race]

Thanks.....have solved the problem by replacing the transformer (£4.99 from Screwfix).

The thermal cut-out in the original transformer had failed; they had fitted a very heavy wire-wound transformer for some reason....seemed overkill to power 2x 20w halogen bulbs!