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KFC 150 / KC192 will not initiate test

Staring approximately one year ago pressing the TEST button on the KFC 150 / KC192 would intermittently result in the test not initiating. On some occasions later during the flight pressing the test button would result in the test proceeding and completing, after which the autopilot seems to work fine (to the extent \I have used it). I have searched this forum and have also read the KFC related material on – a mine of information but the specific failure mode I am experiencing does not seem to be referred to. The optimist in me hopes it might simply be a defective test button. Does anyone have a similar experience or any other ideas as to what the cause might be or how the cause may be determined?

ETGR, United Kingdom

If the button seems dead, it might just be that.

I would open up the unit on the bench and check with a meter if the switch is dodgy.

Shoreham EGKA, United Kingdom
2 Posts
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