Hello fellow F498 Panasonic sufferers. It would appear that this fault can no longer be repaired. My tame electronics guru tells me that this is another example of a 'common' fault that the manufacturers deny any knowledge of. I paid a lot of money for this combi and have had no real use from it. Panasonic are no help. I now no longer buy Panasonic (I used to buy nothing else!), and tell all my friends and relatives about this experience. That's a little bit less profit for Panasonic, perhaps next time they will recall faulty goods.