"PreArm: DCM Roll/Pitch inconsistent by xx deg"

@Aticof wrote:

Hello,
when trying to arm I get the error “PreArm: DCM Roll/Pitch inconsistent by xx deg”:

Matek F765 & Arduplane 4.0.7

EK3_ENABLE = 1
EK3_IMU_MASK = 3
AHRS_EKF_TYPE = 3
INS_ENABLE_MASK = 3

If “DCM” = “Direct Cosign Matrix” is attitude estimation system that pre-dates the EKF and no EKF error appears on HUD,

Why does this DCM error appear?

Note: https://ardupilot.org/copter/docs/common-apm-navigation-extended-kalman-filter-overview.html

Regards

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