Is it best to order and fit a replacement pcb myself ?
You have a pcb fault.
What lights on the left flash.
If every light flashes its the c17 cap on the pcb.
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.
Are you a trade or supplier? You can create your listing free at DIYnot Local