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Mavic Air motors overheating (HELP)

250fpv

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I have just repaired a Mavic Air that was crashed into fresh water the main board was not corroded but the esc board was slightly and was giving errors like esc error and invalid battery. I cleaned all of the boards with isopropanol anchohol and it started working again but all of the motors get very hot( nearly hot enough to burn my fingers) in 20-28c. I have aftermarket props and the motors are not corroded or stiff as I removed one to check.
Does anyone have any suggestions
 

Mossiback

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Did you use alcohol on the motors too? There may be some fine grit in them that you need to get out.
 

250fpv

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Thanks for the reply I actually used contact cleaner sorry. I didn’t clean the motors but I did blow them out with a compressor and they don’t feel like they have any grit.
 

Former Member

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Thanks for the reply I actually used contact cleaner sorry. I didn’t clean the motors but I did blow them out with a compressor and they don’t feel like they have any grit.
You can fly it but be mindful of gimbal motor overload messages.
 

250fpv

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Yeah I havnt had any gimbal motor overloads but the gimbal was stripped as well and sprayed with contact cleaner I have only been flying it for max 20% battery used and then landing and waiting for it to cool down. The motors don’t get hot if I run then for a few minutes without proppelors though.
 

250fpv

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I have just got a temp gun and all the motors after a sport mode flight using 20% battery are about 36-38 c but the temp gun is only cheap so give or take 1c is that good and after flying around high for a full battery they feel colder but I will get readings of this soon
 

Thwyllo

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Personally I'd dump the aftermarket props and try the proper ones. Sounds like they might be putting too much load on the motors.
 

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