Shadrack
 lvl.2
Canada
Offline
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Customers Phantom 3 Professional.
Working fine, customer updates to the latest firmware.
Now it starts up with a few beeps. Goes into about 20 beeps, and then one long tone that continues untiil turned off.
Anyone know what this is?
Was working fine before the update.
No way to reset?
Has to be sent back in?
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