Re: LG Tumble dryer TD-C70040E
you seem to have covered all the possible faults. if its not blocked and the pump is ok then as far as I know all that is left is the main circuit board is faulty. some dryers have a float system to detect water but this is normally by the pump so I would have expected your engineer to have checked it
also did your engineer check the pump was working before he charged you? or did he just swop the pump because he thought it was a good idea
did you actually see and keep the old pump ?
Dave