When i run on my treadmill it slows down and then back to norm

You have adjust the running belt of the treadmill. If you check the bellow added link you can find out how to adjust the running belt of treadmill. Almost all treadmill follow the same procedure. So if your brand mode is not listed you can follow the procedure of listed treadmill.
http://electro-medical.blogspot.com/

try to calibrate the speed on the treadmill look in the trouble shooting section of the manual

Hi, It's probably the speed censor. Clean it up and should be good to go. When you disasemble it clean all other parts and put back togeather. Good luck

LUBe the deck belt inmediately in according with the instruction manual maintenance, you have some deck belt worn. 2) Inspect the drive belt for replace.

RUN THE SOFTWARE CALIBRATION for diagnose and troubleshooting.

sincerely. God bless you

Dear Sir:

You must need to adjust the sensor speed, by that reason Please RUN the software calibration Inmediately for easy diagnose and troubleshooting.

Otherwise see my personal TIPS, for diagnose and troubleshooting.

Sincerely. God bless you

ernesto cuadra
managua, nicaragua. c.a.

The walking deck needs lubricated if it continues after lubricating replace the controller

Belt needs tensioning up on its adjusters or the motor drive gear has come loose and needs tightening back up.

hi..probably the reason to this problem may be due to
worn belt and deck or a belt that needs lube.
check it out..
thank u..
kindly rate my response..

make sure you are not in a program. Can you speed it back up?

I’m happy to help further over the phone at https://www.6ya.com/expert/howard_079189dd4959a511