E1 code on nautilus treadmill - Nautilus T516 Treadmill

Question edited for clarity and its proper name.

E1 is a speed sensor error. Sometimes it just needs cleaning/

E1 Error Codes

The Treadmill Engineer http://www.treadmill-engineer.com > 2016/02 > e1-err...
Feb 29, 2016 - If the E1 error occurs after the belt starts to move for several seconds, the error code means that the system is not picking up the speed of ...

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jkexer e1 Questions & Answers (with Pictures)

Fixya https://www.fixya.com > Forum > Tags > jkexer e1
...jkexer polar 5090 treadmill and its coming up E1 any ideas please 1) You must adjut the speed sensor, clean it, tight the connector very well.see the ...
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Question moved from Cars category.

An E1 code just means that the console is not getting a reading from the reed switch (Speed Sensor).
Jun 30, 2021

Treadmill Error Codes and Troubleshooting - LifeSpan Fitness

https://www.google.com/search?q=E1+error+in+my+Fuel+Twelve+treadmill

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Remove up and down liver moter cabel in mother board. And restart machine. Now ok e1 error.

E1 usually suggests it is and Electrical error and would probably require someone with knowledge of treadmills to rectify the error.
It is very unlikely the ordinary Jo Blo can fix this problem.

Hi normally this error is coming from speed sensor in the main motor, and problem with the motor.
see the attached video. LED Blink Patterns on the Control Board Treadmill
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nautilus treadmill t914 drv reset

Buckmanservices.com solved the E1 code issue only $30 fixed it from online told me what to do

Your problem might be that a magnet has fallen off within the treadmill. Here's an illustrated guide that should make fixing it easy: http://fixmytreadmill.blogspot.com/2010/10/how-to-fix-treadmill-e1-error.html

Good luck.

Trimline treadmill starts up then code E2 comes up, and the display shuts down. 
Any ideas???