printer problem please help

stated using simplfy 3d had some good prints using pla but last one carried on but not extruding anyway cleaned out nozzle etc and replaced went to reprint and it makes a mess and when its stationary theres ozzing all the time

not sure whats gone wrong replaced thermistor still the same

please help was getting into after all the problems was having

tryed repetetier as well which was using last but the same

Trist77,

" it makes a mess and when its stationary theres ozzing all the time"

You have not given enough information to determine the problem.

Please include a photo and a description of how it is a mess...

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My printer: Raptosaur - Large Format Delta - [www.paulwanamaker.wordpress.com]
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The problem was the nozzle changed the nozzle and all 9ok so must have put too much heat on nozzle when cleaning out