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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> Exceed RC Support - Nitro Cars >> Servo problem
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Servo problem - 3/22/2008 5:51:37 PM   
usalien


 

Posts: 58
Joined: 2/4/2008
From: Charlotte, NC, USA
Status: offline 		Hey folks, I got a question: Everytime I switch on my car, the throttle servo starts tremblinglike there is inteference somewhere. I plugge in a spare servo and it does the same, but stops if I turn off the transmitter. I turn it back on, and it trembles again. I dont know if it's the transmitter, or receiver but I'm sure its not the servo. I have replaced all batteries, cleaned all connections all to no avail. Does anybody have any ideas?
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RE: Servo problem - 3/22/2008 7:19:35 PM   
{GBI}Harryball



Posts: 1074
Joined: 7/14/2006
From: lansing, MI, USA
Status: offline 		This may sound simple, but try turning your trim down a little bit on the throttle. Let us know if that helps.


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RE: Servo problem - 3/22/2008 7:54:50 PM   
cflytrap


 

Posts: 139
Joined: 3/10/2008
From: Salem, OR, USA
Status: offline 		Servo's are kinda twitchy in my experience. Then again I have never owned a really high quality radio system.

as far as tremble is concerned, are we talking enough to make your throttle or sterring erratic?

I have the same issue when I turn on my radio. It kinda "buzzes" a bit until it relaxes. Try picking up the front wheels of your car when switching on the reciever.

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RE: Servo problem - 3/22/2008 8:22:40 PM   
usalien


 

Posts: 58
Joined: 2/4/2008
From: Charlotte, NC, USA
Status: offline 		no, it's not the trim. I tried that. It doesnt settle down and wont respond when I give it gas, it just keeps trembling

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       Post #: 4

RE: Servo problem - 3/22/2008 8:32:02 PM   
webbl19


 

Posts: 682
Joined: 12/23/2007
From: Kansas City, MO, USA
Status: offline 		make sure your batteries are charged

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RE: Servo problem - 3/22/2008 9:12:07 PM   
usalien


 

Posts: 58
Joined: 2/4/2008
From: Charlotte, NC, USA
Status: offline 		duh!

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RE: Servo problem - 3/22/2008 10:43:27 PM   
dar123


 

Posts: 172
Joined: 9/21/2007
From: dublin, IRELAND
Status: offline 		it sounds as if the servo is trying to center it`s self!

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RE: Servo problem - 3/22/2008 11:04:42 PM   
DonnyNitro



Posts: 1055
Joined: 10/28/2007
From: guelph, ON, CANADA
Status: offline 		unscrew and take off the servo horn. hopefully the servo will centre itself and stop twitching. then reattach it all. might work?

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RE: Servo problem - 3/23/2008 1:36:15 AM   
usalien


 

Posts: 58
Joined: 2/4/2008
From: Charlotte, NC, USA
Status: offline 		nope, no luck with anything. I think it's the transmitter

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       Post #: 9

RE: Servo problem - 3/23/2008 1:39:43 AM   
jumpanddrop


 

Posts: 808
Joined: 2/7/2008
From: , BC, CANADA
Status: offline 		lol are u tuning on the car without turning on the transmitter lol

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RE: Servo problem - 3/23/2008 2:55:21 AM   
pede_187


 

Posts: 2920
Joined: 11/10/2007
From: Bridgewater, NJ, USA
Status: offline 		does the throttle AND steering servo do this?

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RE: Servo problem - 3/23/2008 2:51:44 PM   
{GBI}Harryball



Posts: 1074
Joined: 7/14/2006
From: lansing, MI, USA
Status: offline
quote:

ORIGINAL: pede_kid

does the throttle AND steering servo do this?


I have to agree with pede, put the steering servo in the place of the throttle servo on the reciever see if it does the same thing. If it does sounds like the reciever is bad, if not then the servo.


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RE: Servo problem - 3/23/2008 5:30:20 PM   
usalien


 

Posts: 58
Joined: 2/4/2008
From: Charlotte, NC, USA
Status: offline 		Of course I'm turning on the transmitter dumass, and the batteries are good and the servo is not trying to center itself. Like I already said, I tried another servo and it does the same, thats why I think its the transmitter. If I turn off the transmitter and leave the receiver on, it stops. Switch on the transmitter and it trembles again and wont move

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RE: Servo problem - 3/23/2008 6:33:40 PM   
{GBI}Harryball



Posts: 1074
Joined: 7/14/2006
From: lansing, MI, USA
Status: offline 		I have a feeling you are right about your reciever. If you have the am setup on the 27mhz freq. Then this unit should work for you. http://allaboutfunhobbies.com/store/catalog/product_info.php/products_id/202


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RE: Servo problem - 3/24/2008 1:13:55 AM   
DonnyNitro



Posts: 1055
Joined: 10/28/2007
From: guelph, ON, CANADA
Status: offline 		make sure the antenna is screwed in all the way.

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RE: Servo problem - 3/25/2008 9:40:50 PM   
usalien


 

Posts: 58
Joined: 2/4/2008
From: Charlotte, NC, USA
Status: offline 		like I said, if I swap servos it does the same, but stops when I turn off the transmitter, so surely it can only be transmitter or receiver. If I replace them, would it be better to buy FM or AM? What is the difference in p