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Update on this one -contacted amazon and, they said after 30days if fault develops the manufacturer has to be contacted first to try a repair solution "Defective Items After 30 Days
Troubleshooting and product support may be available to resolve any issues with your product, as outlined in the Product Support Help page. If your item becomes defective after the Amazon return period, Amazon will repair any defective item. The repair will be completed by the manufacturer or by a third-party repair service provider authorised by the manufacturers to repair their products. If a repair is not possible, we'll send you a replacement, and if a replacement is not available, we will refund the purchase price. Repair is only available for qualifying items sold by Amazon.co.uk or Amazon Warehouse. Amazon does not accept a return after 30 days for consumable products (e.g. batteries, fuses, ink, light bulbs, etc.) or if the defect is due to accidental damage, deliberate damage, caused by external factors, or general wear and tear. For more information go to About Warranty Repairs."