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Re: Err: MINTEMP LCD and Repetier-Host

Posted: Wed Mar 25, 2015 3:26 pm
by retaf99
IMG_1633.JPG
IMG_1633.JPG (133.84 KiB) Viewed 14884 times
IMG_1633.JPG
IMG_1633.JPG (133.84 KiB) Viewed 14884 times

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Wed Mar 25, 2015 4:08 pm
by zhangxueyou
When you unplug the wires, the screen displays like this picture:
QQ截图20150325160105.png
QQ截图20150325160105.png (287.94 KiB) Viewed 14885 times
QQ截图20150325160407.png
QQ截图20150325160407.png (546.83 KiB) Viewed 14885 times
When you plug 2 jumper caps to to mainboard, the screen displays like this picture:
QQ截图20150325160131.png
QQ截图20150325160131.png (249.58 KiB) Viewed 14885 times
QQ截图20150325160219.png
QQ截图20150325160219.png (424.35 KiB) Viewed 14885 times
Check it.

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 1:29 am
by retaf99
Started the printer this morning and there was no MINTEMP error. Heated the extruder and bed to test. Everything worked fine. Let it cool down, shut it off, came back after lunch started it up, and now has MINTEMP error again. I am at a total loss as to what is wrong with this thing. Between the missing parts, bad firmware, and errors this is very frustrating. Especially after paying over $400 for the printer.

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 3:09 am
by retaf99
With both thermistors unplugged the hotbed displays 0/0 but the hot end shows 22/0.

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 3:18 am
by retaf99
Yes when I put jumpers on the pins as in the picture, both read 0/0, 0/0 and MAXTEMP BED

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 9:05 am
by zhangxueyou
Please refer to these pictures and check if somewhere on the back side of boards is short.
ArduinoMega2560_R3_Back.jpg
ArduinoMega2560_R3_Back.jpg (89.46 KiB) Viewed 14884 times
Rampsback.jpg
Rampsback.jpg (61.51 KiB) Viewed 14884 times

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 10:24 am
by retaf99
I think I may have found the problem, a short in the connector. Checking now, and I will also check the back of the board.

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 11:26 am
by retaf99
IMG_1645.JPG
IMG_1645.JPG (100.93 KiB) Viewed 14883 times
IMG_1640.JPG
IMG_1640.JPG (114.06 KiB) Viewed 14883 times
Connector seems okay. Checked boards, I didn't see anything that looked wrong but I have no idea what to look for so I took pictures. Still hae the error.

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 11:30 am
by retaf99
Now that the boards are back together both are reading 0/0, 0/0 and still Err: MINTEMP

Re: Err: MINTEMP LCD and Repetier-Host

Posted: Thu Mar 26, 2015 6:05 pm
by zhangxueyou
Hi,retaf99
Have you received my email?
Please send me your pruchase link and your order number.
My email: Cheung.Weng@geeetech.cn