Flashed Firmware, LCD screen is on, but blank.

Troubleshooting talk for software

Flashed Firmware, LCD screen is on, but blank.

Postby kenmarold » 2017-Jan-Tue-23-Jan

Hi all -

So I flashed my Printrbot Simple using the Printrbot instructions "How-to-Flash-Printrboard-Firmware" and using Simple-0.3.hex and everything seemed to work fine except for the LCD no longer shows any characters. It's on, it's lit, but it's just showing two white lines made up of large rectangles. I can connect to the printer thru USB and control it using Pronterface, but the LCD is no longer showing any info. Anyone know what to do?
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Flashed Firmware, LCD screen is on, but blank.

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Re: Flashed Firmware, LCD screen is on, but blank.

Postby KD6HQ » 2017-Jan-Wed-07-Jan

Are you sure that the firmware hex file that you flashed the card with had the LCD routine activated?
If not you might want to check with the site that you downloaded it from.
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Re: Flashed Firmware, LCD screen is on, but blank.

Postby Mooselake » 2017-Jan-Wed-07-Jan

Why did you reflash? Were you having a problem?

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