Turning on heaters causes 15A fuse to blow

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chrisnasulea
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Turning on heaters causes 15A fuse to blow

Post by chrisnasulea » Mon Jun 10, 2019 4:41 pm

Hello everyone,

I've just moved to a new house and brought my I3 Pro C with me. It was working perfectly before the move. The first time I tried to turn it on after hooking everything up it blew one of the 15A littlefuses on the board. I replaced the fuse, tried to turn on the heater for extruder 1 manually from Repetier Host and the fuse blew again.

I looked at various forums but I couldn't find anything useful.

Any thoughts?

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William
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Re: Turning on heaters causes 15A fuse to blow

Post by William » Mon Jun 10, 2019 4:54 pm

Hi, you can check if 1.the wiring on the motherboard is correct.
                             2. Whether the thermistor is detached or caused by poor contact.
-Keep your mind and try to test it. :)
-Everything will be fun!-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!

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chrisnasulea
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Location: Romania
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Re: Turning on heaters causes 15A fuse to blow

Post by chrisnasulea » Mon Jun 10, 2019 5:55 pm

The printer was moved reasonably carefully from one apartment to the other so the wiring on the motherboard seems undisturbed.

Which thermistor are you referring to? There seems to be a bit of black colouring on the plastic surrounding the wires coming out of extruder 2. Maybe it was not there before, maybe it was.
IMG_20190610_124535.jpg
IMG_20190610_124535.jpg (278.55 KiB) Viewed 1270 times

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William
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Re: Turning on heaters causes 15A fuse to blow

Post by William » Mon Jun 10, 2019 6:15 pm

About the wiring of the hotbed and extruder and thermistor on the main board.
-Keep your mind and try to test it. :)
-Everything will be fun!-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!

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_kaktus_
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Re: Turning on heaters causes 15A fuse to blow

Post by _kaktus_ » Thu Jun 20, 2019 9:35 pm

Hi chrisnasulea.
:D

I haven't seen you here in a long time.
It's a pity you only look when you're forced to.

William is right about the 15A fuse circuit, there must be a short circuit somewhere.
Your observation can be helpful in diagnosing a fault.

First try to disconnect this circuit and check whether the fuse will be blown again. If not, you already know where to look for a fault
;)
On the forum I help to use the rod, I don't give fish.
Geeetech Prusa I3 M201 Dual extruder Mixcolor 3D printer, bought 2017-12-19, already built, in the cognitive and improvement phase
Geeetech filament, ABS only
Geeetech 3D WiFi Module for 3D Printer, bought 2018-04-15, He got a new life, and still lies in a drawer.
Positively frenzied customer of Getech Technology.

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