Question about Bowflex Treadmill Series 7

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Err LS on Bowflex Treadmill

How do I fix the "Err LS" on my treadmill? None of the buttons work.

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  • Anonymous Mar 24, 2014

    brand new treadmill. none of the buttons work

  • Anonymous Apr 01, 2014

    Screens are lit up with numbers on them but none of the buttons will work and therefore I can't get the treadmill to work.

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2 Answers

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The machine needs to be re-callibrated. L5 error.
Your speed sensor must have been damaged either during shipping or use. You'll need a new one. If under warranty - give Bowflex a call. They will ship you out a new sensor and guide you through installing it via the phone... re-calibrating the machine... and getting it operational again. It will take about 2 hours.

The instruction book doesn't mention calibration. be sure to not callibrate in metrics, however (there's no way to easily tell the difference - you have to ask) or you'll be strolling like a walk in the park at 5 "mph".

Thanks for using FixY - a FixYa rating is appreciated!!

Posted on Feb 21, 2009

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  • 1 Answer

LS Error

Posted on Dec 12, 2009

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Posted on Jan 02, 2017

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1 Answer

HI our Bowflex series 3 treadmill is giving us a continued Err L5 code when trying to use our machine. We bought it used so do NOT have ant trouble shooting instructions. Any advice?


Hi There, L5 error should refer to the "LS" error which looks up to a speed problem. When you start the machine up, it boots fine and then when you press start or go is says err ls ? If the walking belt doesn't move at all when you try to start it, listen for a "Click" on that lower board when start is pressed..... If the walking belt moves for a second and then stops and the console says err ls, then you may have a speed sensor problem. These control boards are repaired by Jatinah Electronics who can be found with a google search. Good Luck!

Dec 13, 2016 | Bowflex Exercise & Fitness

1 Answer

Why does my Bowflex TC5000 cut out?


If you're running the machine on a dedicated circuit then your unit is drawing too much current. This can be caused by friction and drag. Solution: Lube deck/belt. If problem persists, replace deck/belt. If you ignore this fix this will blow your controller. .

Apr 29, 2014 | Bowflex Tc5000 Climber Treadclimber...

1 Answer

Machine shuts off- says LS


follow this steps and fix it. God bless you
Plug Treadmill into wall outlet and press
START.
Display lights up; TREADBELT DOES NOT MOVE "L5 / LS ERROR"
Is red SERIAL lamp on the motor control
board lit?
Is the yellow RLC lamp on the motor
control board lit?
1. Unplug the treadmill from its
2. Wl alk on the belt manually. (push belt)
3. Does the yellow MOTOR lamp light while pushing?
Is yellow MOTOR lamp on the motor
control board lit?
1. Loose wire connection to motor, capacitor, or choke.
2. Loose brush holder screw on motor. (Check Both)
3. Failed drive motor. Part # 70014 (110V), 70125 (220V)
NO
YES
NO
YES
5.1
5.2
5.3
5.4
5.5
NO
1. Check wiring harness connection between
upper and lower board. Part # 70083
2. Replace display board. Part # 70076
YES
Enter Open Loop Speed mode:
WARNING: NEVER STAND ON THE TREADBELT IN THIS MODE.
1. Turn off the treadmill.
2. Press FAST and START simultaneously and release both buttons once the display lights up.
3. Hold the fast button until the display reads 99.
Short in capacitor, motor, or motor
control board.
NO
Turn treadmill off. Disconnect drive motor wires from lower control board (Mtr + and Mtr -)
terminals. Power up in OLS mode (FAST & START). Bring displayed speed up to 99.
Measure across the Mtr + and Mtr - terminals with your voltmeter (DCVolts). You should
measure at least 90 vdc on a 110V treadmill and 180 vdc on a 220V treadmill.
If you are not getting dc volts out of the lower board, replace it.
If you are measuring the proper dc voltage out, replace the drive motor.

Sep 19, 2013 | Bowflex Exercise & Fitness

1 Answer

The belt won't move, Err-L5 keeps on coming on what seems to be the problem can u help me Pat Morelli


L5 or LS is short for Low Speed error

It basically means that the speed sensor is not picking up a signal. Unfortunatley its a pretty vague error code and can be caused by several different problems.

First you have to determine wether or not you have belt movement. If you have a LS with belt movement you know that it is related to the speed sensor itself (or the MCB motor control board - the part of the MCB that handles speed sensing function). If you are getting an LS w/belt movement you have to check to see if you have power output from the MCB. If you have no power output, check fuses, if fuses are good you will need the MCB replaced.

Hope this helps (remember to rate this answer).

Jun 09, 2011 | Bowflex Series 3 Treadmill Msrp 129999

1 Answer

My Bowman treadmill 7 series stopped working. It just shows 2 words: safe out. Please help.


Make sure the magnetic safety key ('safety pull' or 'emergency stop magnet') is in place. SAFE OUT indicates that the safety key is not in position or is otherwise not working properly.

For more information consult the following manuals:

http://download.dfxi.com/supportdocs/OM/Bowflex/BFX_TM3-5-7_OM_RevD_web.pdf

http://www.pdfstock.com/bowflex-3-5-7-series-treadmills-assembly-manual-pdf.html

May 05, 2011 | Bowflex Treadmill Series 7

1 Answer

I have an L5 error on the display. Belt not working. What do i do?


This is a LS or speed sensor error, it can be caused by a belt that is too tight, non lubricated walking belt and or a bad sensor. If the belt does not move at all, Bowflex will tell you to buy a new lower control board. $227 direct from them (Nautilus)

Jul 19, 2010 | Bowflex Treadmill Series 7

2 Answers

Freespirit Treadmill


Did you try it before you bought it and it was working. when you move the unit and pluged it into the wall outlet was it on? if yes then you may have damaged the lower board. If you can not get that part then the treadmill has died. Is it a Bowflex or a Free spirit.

Nov 21, 2008 | Bowflex Treadmill Series 7

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