Ir reads battery connection error.
With new battery everything fine, it seems. Except that I still do not know how to calibrate thet downward vision sensors.
During the update of the newest firmware the battery of my Phantom 4 suddenly changed. Three out of the four small leds and the led under the push button are very vague blinking at a rate of 50 x per minute. Cannot switch off the battery anymore. I took it out and days later the leds are still...
During the upgrade of the plane (P4), the installation was not yet completed. Then, suddenly the battery lights became almost dead. Only a very slight, hardly visible blinking of all leds of the battery. One day after disconnecting the battery this blinking still continues.
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