Gimbal not responding on P2V+

Everything was working properly until after I updated the software. Now the camera is connected and all controls respond as usual I can see what it sees on my iPhone App but the gimbal both horizontal and vertecle do not respond even during self check at start up. I can even record and take photos but the camera position will not change but can be moved easily by hand. I have recalibrated according to instructions many times, checked connections etc. to no avail. Any suggestions?