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I've fitted a drayton lp722 about a year ago, screen has gone blank so can't see anything, heating light comes on but there is no response from hot water when pressing button, so no red light. Do any of you clever blokes have any ideas what causes this or is programmer goosed. Also does anybody know the warranty on a lp722,

Thank you for any help
 
One year warranty. Programmer is goosed. Caused by gremlins stealing all the black pixels from the screen.
 
Had exactly the same last week, 13 months old. Everything is bloody rubbish these days........don't get me started on immersion elements !
 
All made to a cost, then charged out at same price it always was to maximise profit...... trading on past glories.....mumble mumble mumble, used to be all fields around here........
 
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