APM Planner Horizon 45gr after connect LED Lights

When I level veloc. in setup.
Then connect the led light on the ports 5,7 and beeper on 6.
The horizon in APM planner is on turns 45deg ccw and the drones stands level.
The veloc setup with the led is not possible.
Have someone the same trouble and how did you solve?

the arducopter APM 2.8