I don't believe there is a delay or lockout for multiple password attempts. The heat cool test fault seems to be a common problem with the BioRad Icycler. Has anyone tried replacing the peltiers? Our Icycler QPCR failed due to the heat cool test fault error so I bought a non QPCR model to put the QPCR top on. Now they both work. So the heat test fault my not be the peltier but just a loose connection that I inadvertently re connected when I swapped lower units. Thank you all for the help. Biorad proved worthless.
On Tue, Sep 13, 2016 at 9:12 AM, Thomas Fuller <thomas@mcfuller.com> wrote:
Extraction from the firmware isn't impossible, but the difficulty depends on the hardware and how the firmware image is built and what kind of micro it's running on. Though, if it's a custom solution or FPGA then it's effectively impossible.
Nathan's idea of brute forcing would likely net results much faster and with less technical effort. There's probably an internal signal line or data bus you could monitor/parse to determine success, as OpenCV has a significant learning curve that might put it out of reach of a project like this.
-Thomas
To view this discussion on the web visit https://groups.google.com/d/--On Mon, Sep 12, 2016 at 3:27 PM Nathan McCorkle <nmz787@gmail.com> wrote:What behavior does erroneous password entry induce?
If you have the time and interest, I bet you can you just brute-force
the code by hooking up an arduino or raspberry pi, connecting to the
keypad pins and maybe the display or an LED that is indicative of the
error (or conversely passing).
The rasPi would enable you to use Python-based openCV image-processing
to extract the error condition visually from a video camera.
Seems like something a person or two could manage to get setup in a
day or few nights.
On Sun, Apr 10, 2016 at 1:27 AM, <djwrister@gmail.com> wrote:
> Does anyone know the service option password for the BioRad ICycler or have a service manual? I have two. One with a lid that won't heat and another with a heat block fault. I am hoping to have one good one by switching the lid. Or two if anyone has any experience or any ideas for replacing the peltiers.
>
> Thanks,
>
> Dan
>
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