N762CB
lvl.4
Flight distance : 513970 ft
United States
Offline
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Haven't flown my P4 in a few months. Today I went to get it ready for a flight tomorrow, saw that a firmware upgrade was required. Performed the upgrade without a problem. Started it up & it didn't say it needed a Compass or IMU calibration, but I always do one after a firmware upgrade. Compass calibration completed - no problem. IMU calibration got thru steps 1 thru 3 and is stuck on step 4. Front lights on solid RED, back lights flashing fast GREEN. Tried 2 different Ipads, no change. Turned everything off & let it cool down for 2 hours. Tried again - same thing - Stuck in Calibration IMU step #4. Any help is appreciated.
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