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Author Topic: Phone lights up, does not boot, no text displayed on LCD  (Read 3562 times)

Offline maximumboost

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Phone lights up, does not boot, no text displayed on LCD
« on: November 05, 2014, 04:44:37 AM »
I have 2 x Mitel 5224 IP phones that when plugged into a POE switch light up but do not boot the start-up firmware.
Nothing is displayed on the LCD screen.
Any suggestions?
Could the firmware be corrupt?
Is there anyway to write new firmware to the phones?
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Offline NTEDave

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Re: Phone lights up, does not boot, no text displayed on LCD
« Reply #1 on: November 05, 2014, 07:06:05 AM »
Have they ever worked, what happens if you plug them in whilst holding the Blue Superkey/Directory button down?
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Offline maximumboost

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Re: Phone lights up, does not boot, no text displayed on LCD
« Reply #2 on: November 05, 2014, 03:11:52 PM »
One was brand new out of the box and the other was an old phone that was in use.
What does holding the Blue Superkey / Directory button do as you start-up the phone?
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Offline Tech Electronics

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Re: Phone lights up, does not boot, no text displayed on LCD
« Reply #3 on: November 05, 2014, 08:02:51 PM »
Maximumboost,

Holding down that key on boot up will start the phone up in programming mode so you can change network features on the phone.

Thanks,

TE
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