marshal code 25 froze


hi, i got the marshall code 25, it stopped working when i connected it to my laptop right after i updated the firmware, i think there was a problem with the usb cable, now the amp doesn't respond to anything, and no sount comming out of it, i tried to factory reset stiil no responce, when i turn it on, i get on the screen marshall, then B0.6 , M0.0 , D1.1 , then CHK USB, now i was wondering if there is anything i can do to get it to work again just in case if the new usb wont work, please help


asked 01 Aug 2020 at 02:15 PM

yehya bahgat
Answers: 1


Hi Yehya,

Thank you for your message, you need to make sure you are using a USB data cable to update the firmware.


Marshall Support

answered 04 Aug 2020 at 08:16 AM

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