Technical, Techniques, Hints, and Tips > Radio Equipment
Graupner c 677 servo making random movements
westcoaster:
Hi all, I have an old Graupner servo which randomly turns without any stick movement from the Tx. There doesnt seem to be a pattern to it. The servo operates normally when the stick is moved.
What do you think this might be ? Am I as well to just recycle it ?
essex2visuvesi:
do you mean like a random twitch? If so you might nead to pop it open and give the pots a quick clean with some contact cleaner
Umi_Ryuzuki:
If you are using more than three servos and an esc in the model, it could be low power.
BEC sometimes can not supply enough amperage if there are a lot of functions.
A way to sleuth that issue is to turn off the BEC switch and connect a reciever battery to
the reciever and check of the twitch goes away.
unbuiltnautilus:
Funny that, had a C677 do something very similar in November. It just started sweeping left to right with no command inputs. Filed it under 'recycling'!
westcoaster:
Thanks for your helpful suggestions, unfortunately, having eliminated both possibilities there are still "rogue" movements happening so it's now recycled
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