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Trimline treadmill T340. what is error code 905? symptom: it runs for fine for a minute, then cuts off, and console starts beeping and flashing. i just replaced speed sensor

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Try to align the speed sensor. It should be closer to motor pulley.

If you wish to get some details; check the site linked here. Pull up older posts.

Posted on Dec 21, 2016

Testimonial: "this worked...speed sensor was too far from flywheel. thanks"


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Posted on Jan 02, 2017


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I have a 15 yr old Trimline 340 treadmill that just stopped. .

This has something to do with your controller. It could be the wiring in between the controller and the outlet or it's the controller itself. If it is the controller you probably won't be able to get the part. If you can find one it'll be about $400 and you'll have to replace the belt as for for another $200. If it's a simple wiring issue it's pretty cheap but you definitely need a skilled technician on site.

Jun 06, 2017 | Exercise & Fitness

2 Answers

My treadmill runs for 9 secons and stops and shows E1

Ok. So the first thing to try is to calibrate the speed.
You do this by doing the following:
  • With the SAFETY KEY in place, hold the ELEVATION UP and SPEED DOWN buttons for five seconds. The console will beep twice, "ENG0" will appear in the Distance window, and a number will appear in the Elevation window.
  • Press SELECT until "ENG3" appears; this is for Auto-Calibration.
  • Press START to Auto-Calibrate.
  • The treadmill will calibrate minimum and maximum speed, and minimum and maximum elevation. When Auto-Calibration is complete, the treadmill will reset to User's start screen. This process takes three to five minutes.
Make sure there are no errors. . .and that the speed goes from super slow to super fast and then stops. . .. if it stays slow. . or stays fast. .or error code appears during calibration, there is a problem.
If after a good calibration sequence, if it still does the stopping and E-1 after 10 seconds. ., then you need to (Power off and disconnect treadmill). . .then unplug the speed sensor from the lower power board, blow into the connector on the wire, and add a little contact cleaner spray to the connector on the board.
Recap: If it actually runs. . .but stops after a few seconds. . but the calibration runs and passes fine. .. .more than likely it is a speed sensor misread or a faulty speed sensor.

Sep 30, 2014 | Triumph 400T Treadmill

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Trimline t340 treadmill

However try to LUBE with WD-40 first, if do not work go to
Treadmill Treadmills Best Treadmill Treadmill Doctor

Dec 13, 2017 | Kettler Exercise & Fitness

1 Answer

Trimline t340 treadmill

I would recommend throwing it into a large trash can. Trimline parts are very difficult to find and very expensive. What you would have to spend to bring this machine up to useable shape and guarantee another 4 years would be as much as buying a brand new machine of the same quality.

Jul 27, 2017 | Exercise & Fitness

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Trimline t315 manual

My trimline t315 keeps cutting out after 10 secs. Do you why this I happening or how i can reset the board?

Jan 30, 2012 | Exercise & Fitness

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Smooth fitness treadmill beeps every two minutes

Walk on a treadmill to calculate distance.
Most electronic treadmills allow you to program for an alarm or beep when you've walked a certain distance.
Try to turn off reading your owner manual.
And check if there are some error code?.

If you do not have owner manual go to this web:
and download free.

Nov 22, 2011 | Exercise & Fitness

1 Answer

How to replace trimline T340 motor

Dear Sir:

I will try to help you, please follow the step in this video.I hope that you can fix it.

If you need further assistance, please reach me. sincerely. God bless you.


Oct 14, 2011 | Exercise & Fitness

1 Answer

How to replace T340 trimline motor

Dear Sir:

I will try to help you with this video, please follow the step carefully:

I hope with this video, you will fix it.

If you need additional help, please reach me. sincerely. God bless you.


Oct 14, 2011 | Exercise & Fitness

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