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I replaced one of the thermocouple on my extruder and have been printing no problems for a few days. However, today when I’ve turned my printer on, it is just alte mating between the menu screen and the sailfish screen. I guess there is a short somewhere but haven’t a clue where to start. Anyone have any tips or have had the same issue before?

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You may have created a short when working on the printer. Hopefully not. But this one is complex to figure out.

Start by looking or even posting here → Redirecting to Google Groups

There are some great electrical engineers there.

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Thanks for taking the time to reply. I’ve managed to sort the problem out and you were totally right. I’d trapped the fan wire when replacing the extruder, which was shorting when the fan came on.