Few possibilities.
Common one is the door, give it good thump and push to the right. If it starts then the hinge needs adjusting. If it doesn't then it could be a faulty door interlock.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local