RST LED

JOEG · Post by **JOEG** » Wed Jan 29, 2020 12:31 pm

Hello,
I've been working with a MEGA for a while, but now the RST LED is constantly on and I can't upload any new sketches to my device.
I would appreciate any assistance you could offer.

Jarda · Post by **Jarda** » Mon Feb 10, 2020 11:40 am

Hello,
please try to check the reset button mechanically. If you open the housing, it can be, that the reset button is pressed all the time.

Regards
Jarda

JOEG · Post by **JOEG** » Sun Mar 01, 2020 8:35 am

Hello,
I Opened the housing and checked the resistance between the separate terminals of the button.
The maximal resistance is ~50 ohm. Isn't this too low?
I opened the button and removed the cap that connects the terminals when pushed, bit I still read a very low resistance across terminals.
The even lower resistance for the open channel is ~0.5 ohm, which makes sense.

Jarda · Post by **Jarda** » Fri Mar 06, 2020 10:31 am

Hello,
so no peripheral is connected to CONTROLLINO?

BR
Jarda

JOEG · Post by **JOEG** » Tue Mar 17, 2020 9:02 am

No peripherals connected.

Jarda · Post by **Jarda** » Fri Apr 17, 2020 12:05 pm

Hello,
so please send it back for reclamation. We will check the problem and let you know.

Regards
Jarda

Andrew8020 · Post by **Andrew8020** » Fri Jul 17, 2020 2:48 pm

Hi Jarda,

I am having the same problem on a MEGA that was working, the RST light is permanently on, I can't upload or run existing program, resistance across reset button is 32 ohms when open and MEGA disconnected.

Any assistance would be greatly appreciated.

Thank you

Jarda · Post by **Jarda** » Mon Jul 20, 2020 2:22 pm

Dear Andrew,
I'm very sorry that you have similar problem. Please send it also back for reclamation, we will analyse it here.

BR
Jarda

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