Geeetech

Mark,

How do I uninstall the firmware update I did for the dual extruder ?

I contacted the supplier of the Extruder Heater, and he has confirmed the supplied the wrong parts
The 12v and 24v look the same.
Replacement parts on there way

Hope this fixes the problem

Thanks for all your help

Drew

The resistance is 3.8ohms (new 24v heater)
As previously mentioned above

The heater

http://www.ebay.com.au/itm/221717537303 ... EBIDX%3AIT

It was starting to over temperature before the original power supply blew, with all original equipment.

But I could manually start the heater set to 180c, and turn off at about 200c
I would climb to about 230, and cool down.
I would re-set the temp to 220c, and manually turn on at 215c.

The ...

Using a multi-metre, the power to the extruder heater does switch off when temperature is reach.
This confirmes that the LED status light is correct.

How can the temperature increase by 100c or more with no power?.
Could this be a software issue ?

This is a new machine, thats only printed about 12 ...

There is no noticable defects with the PCD.
No sign of damage to the components.

Updated from Pi3 Pro X to Pi3 Pro C with Dual Extruder.
Swaped Thermistor from Ext 1 to Ext 2
Used heat-bed thermistor in Ext 1 (wouldnt heat otherwise)

The Extruder 2 heated. When temperature reach 220c, RED LED turned off, but display showed still heating up to 260c.
Did not Error on Max Temp ...

Thanks for your quick reply

Correction:
"I changed the heated bed to 24v circuit and replaced the extruder heating cartridge to 24v also"

When I turn on the extruder heater, the temperature just rises, and doesnt stop till Max Temp Error.
Heat bed OK

Did your link:-
1. Both Bed & Extruder show ...

Hi All,

A short while back I purchased an i3.
The power supplied failed after about 3 weeks, so upgraded to a 24v33A power supply
I changed the heated bed to 24v circuit and replaced the extruder heating bed to 24v also.

However, now whenever i turn on the extruder heater, the temperature just ...

Hi,

I have one, been running a few months now.
Build video instructions OK, but even 1 section showed the builder getting frustrated during construction

It had to be modified as the X & Z Axis rods were not 100% parallel, and bends in the 8mm rods means that getting 100% level is impossible
As a ...