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Is there anyone in the midwest (northern Illinois) that works on Airmaster propellers? I've got one that's showing 3 slow flashing red lights. That's suppose to be an open but, I don't know where to look or start. A list of US service centers would be helpful.
I think you have to send it directly to AirMaster
Pull out your manual. It's pretty easy to trouble shoot. May be you need new slip rings or a new motor?
Good luck.
Agree with Scott - check slip ring and brushes first. Make sure the slip ring is appropriately tensioned by taking of the brushes mount and checking for movement.
After that, I would be checking the connections to the control unit.
After that, email Martin at Airmaster.
cheers
ross