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Any luck with this? I seem to be having a similar problem. I finally got around to hooking up my peek fan an now I can't seem to hit my 228 temp, falls short. I can un plug the fan and it get up to and passes that temp in just a few sec. I ran and re ran the PID auto tune several times with no luck ...

This thread has really peeked my interest!
Thanks for sharing and keep the info coming.

Sorry to hear some people are having issues with their heat bed. My Max v2 gets up to 90 in about 15 min or so and holds the temp fine once it gets there. I have an small towel that I throw over the bed as it's heating up to help insulate it. I boiled some acetone at 110 the other day with no ...

I just got my Max v2 built and did some printing over the weekend (just getting my feet wet). I had one part that came off the bed 3 times in a row (I was using the purple Elmer’s glue stick on the glass surface). I gave the glass a good cleaning and sprayed it with hair spray and set the speed to 5 ...

I borrowed a 5 Amp Nano fuse from a guy at work (a fellow Max owner) and fired up the printer. Everything appears to be working as expected! I suspect the original cause of the blown fuse was the Peek and PLA fan wires that are dangling and bouncing around at the hot end. The most likely touched and ...

You should give your hotend - thermistor a good inspection. Shorts in the wiring no matter how momentary are the common cause of card failure. The card may just have decided to die but that is not very common, that's why I would give the wiring a good inspection. You are correct Eaglezsoar! Or ...

Glad you found the problem! I get the fuses from Mouser and I use the 10 amp version The cost is expensive for just a fuse but I get a 10 pack which helps a little on the cost. Thanks for the tip, they do have better prices than what I found on amazon, but $7 shipping on a 3mm x 3mm x 6mm item ...

from the Rambo RepRapWiki : F2 supplies the motors and on-board power supply. F3 supplies the extruder heater and fan outputs. F4 is a 15A ATO (the type found in many automotives). F4 supplies the heated bed output. It is different from the picture you displayed... maybe a difference in versions ...

So, I just want to clarify so if this happens in the future we can more easily diagnose, with F3 or F2 "blown" you should see some LEDs lit on the board. When I asked earlier you said there were NO LEDs lit up. Can you confirm this please? I blew F3 on my RAMBo earlier this week and there were ...

Turns out there are 3 fusses on the RAMBo v1.2 controller. There is 1 large 15 amp and 2 small NANO2 fuses. I set my multimeter to continuity and tested both fuses and found the F3 had blown! The F2 (NANO2 fuse) = is for the Motors. The F3 (NANO2 fuses) = is for Logic, Heat, Fans. The F4 (large fuse ...

I went ahead and mounted my peek fan shroud yesterday. It snapped right into place and feels pretty secure. I still haven’t ordered the quick connectors for the hot end wiring, so the fan is there for looks at the moment. I went ahead and fired up my printer and started my third print…Part way in it ...

Glad to hear there tough.

Lets just hope I got a bunk one and that a quick swap out will have me back up and running in no time.
I knew things were going too smooth!

That was what I was afraid of.
Thanks for the confirmation.

So are these known to be temperamental? Are there any extra precautions needed to avoid this in the future?

No LEDs I'm sorry to say.

Brand new Rostock Max 2 started my 3rd print...Stopped dead in it's tracks. I fired up my printer let it get up to temp and I sent a print to it. It started printing and then just stop dead in it's tracks. The LCD went black and I don't see any light's flashing on the RAMBo board. Fans were still ...

I got my Rostock Max v2 kit last Friday (4-14-2012) and the packaging looked good to me. One big box with few sheets of wood, and 3 smaller boxes containing all the little bits and pieces all surrounded by little green foam packing peanuts (2 sm trash bags worth). The box didn’t appear to be damaged ...

Here it is...
http://forum.seemecnc.com/viewtopic.php?f=77&t=4556

[img]http://farm8.staticflickr.com/7090/1322 ... 82da_m.jpg[/img]

How far have you gotten? I'm up to page 121 and hit a road block. After attaching the hot end there are no instructions on what to do with the 26ga wires. There's a reference to using them for the PEEK and part fans, but nothing on where to mount them. Ya, It addresses the peak fan on page 217 ...

I spent about 30 min calibrating and started my first print!

It's about 30 min into the 1:30 min fan bracket.
I'll post the results when it's done.

Ok it's been an hour and here is what I have: Not too bad for my first print!

Calibration time! I plugged in the needed parameters and connected to the printer fine. I tested the end stops and homed the head fine. The last test involves checking the basic function of both the hot end heating resistors and the heated bed. The heat bed said it was ok, but the hot end registered ...

Software and Firmware installation time.
I installed the RAMBo driver, Arduino IDE, pushed the Repetier-Firmware and installed the Repetier-Host software in about 15 mins! It all went very smooth and I had no problems.

Sunday morning I got off to a late start and resumed the build at 10 am. I grabbed 2 16-14 AWG Butt Connectors and stripped the plastic off them to use in place of the missing barrel crimp connectors on the hot end. They worked like a charm! DSC_2551.JPG Part of why I got a late start was I had to ...

The next bump in the road I encountered was when I went to assemble the top section. The bracket shape was different in the assembly guide and I thought I was missing them. I found something close, but was expecting there to be a hole where the screw went and not a slot. DSC_2539b.JPG Here is the ...

Threading the wires through the towers was one of the more difficult parts of the job. The wires are pretty snug and bind up about 2/3 of the way through the tower (all 3 sets got stuck). I tried twisting them as I pushed, but that didn’t seem to help any. I ran out to the garage and got a 3’ piece o ...

Sat morning 9 am, time to get assembling. I gathered up all the tools I figures I would need and brought them to my work area and started building. My “helper” is back and possibly more into this build that me! DSC_2531.JPG In a couple hours we had the base all assembled and things were going nice a ...