Wookong LED modules - three in a row faulty?

tomh

Member
Hi all,


Wonder if you have any suggestions.
We have been having multiple problems with Wookong LEDs not working correctly.
They usually work ok for a few weeks, then one colour stops working, either intermittently or completely.


Initially we thought it was a dodgy LED unit, so we bought another one.
Then that one failed, and we swapped the entire Wookong system including the PMU.
Then the second LED unit failed a few weeks later.


We're now onto the third LED, which has started acting weirdly too.

Video is here:
password = copter
https://vimeo.com/88167068


LED 1 - no amber in ATTI mode. no blue in failsafe mode.
LED 2 - no amber in ATTI mode.
LED 3 - acting correctly now, but earlier today was not showing amber in ATTI mode.


Any thoughts?
 
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