20 Most Recent Landice L7 Executive Trainer Treadmill Fitness Running Walking Exercise Review Questions & Answers


1)LUBE the deck belt, maybe you have a deck belt worn, by lack maintenance.
2) Lube the rollers bearings, in according with the maintenance schedule.
3) Test the main motor for voltage input, if there are the motor need repair.
4) Test the output voltage board, for input voltage motor, if there are NOT the board is faulty.
5) After fixing RUN the software calibration for diagnose, and troubleshooting.

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Landice L7... | Answered on May 09, 2012


You need to open it and cheek the belt and the bearing ,cheek for wear and tear if past inspection try lubricant ,all the best.

Landice Exercise... | Answered on Nov 30, 2018


Communication Error between upper and lower board generally produced by a physical disconnection between harness and the the apparatus. Reseat the harness.

Landice Exercise... | Answered on Jan 04, 2018


the speed sensor is in the front drive wheel. it is a sensor located on the left-hand side you will see a wire going to the sensor. then a magnet is on the wheel and when it passes by you get your speed.

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

Landice Exercise... | Answered on Oct 15, 2017


is this a home model and did you buy originally? the reason I ask is that Landice home L8 models have a lifetime parts warranty. contact Landice and they will be able to assist you over the phone for free. you either need a new keyboard panel(bad buttons), or a new lower computer board. both easy fixes on a Landice

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

Landice Exercise... | Answered on Oct 15, 2017


Check the motor for its stability .
If you wish to get some details about treadmill repair ; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

Landice Exercise... | Answered on Dec 16, 2016

Tip

OS or O5 Error on Landice L-Series Treadmills


Probable Cause

An OS or O5 error on the Landice L-Series treadmills, such as the L7, L8 and L9, indicates an over speed condition and this occurs when the actual speed of the running belt is faster than the set speed. The possible causes for an overspeed, OS or O5, error are: A) User weight is over 200lbs, treadmill elevation is set between 10% and 15% grade and speed is set between .5 mph and 3 mph
B) User is pushing against treadmill belt causing it to go faster than the set speed
C) Defective lower board or misaligned speed sensor
D) Maladjusted speed potentiometer

Corrective Action

A) Gravitational force will enable the user's weight to move the treadbelt faster than the set speed. The speed sensor will pick up this increase in flywheel speed and sends this information up to the display electronics. The microprocessor will then compare the actual speed to the displayed speed, determine a runaway speed condition and shut the treadmill down. An overspeed will display in the window. This is a safety feature built into all treadmills that utilize closed loop speed circuitry. The way to address an over speed condition due to gravity is have the user decrease elevation below 10% or increase the speed.

B) Similar to the gravitational force, a user can be holding onto the handrails and pushing the running belt in such a manner where they are using the treadmill like a manual machine rather than a motorized one. User needs to set speed compatible for their actual walking or jogging speed so they are not pushing the belt.

C) It's possible a blown motor control board is the problem. This occurs more frequently with PWM drives than SCR drives. However, this problem is becoming rare due to the PWM circuitry which senses this condition and shuts itself down before the drive motor receives any DC voltage at all. This means you'll get an LS or L5 error if your PWM is blown, not an OS or O5 error. This is a safety feature on all Landice home treadmills with PWM motor control boards. The SCR motor control boards also have internal protection to prevent an over speed condition from occuring due to an internal component failure. In the rarest of cases, on home treadmills, a faulty relay board can cause an OS or O5. To verify this, using a digital voltmeter, with treadmill turned on, measure the DC voltage between the V+ and P1 on the PWM board. The reading should be between 6-7 VDC. Also measure the DC voltage between P1 and P2 on the PWM board. The reading should be between 0.5 VDC and 6-7 VDC. If either of these voltages measure zero, replace the relay board.

D) Get into Open Loop Speed mode and check the speed. Adjust pots as necessary to bring up correct speed for max and min.

http://www.sportsmith.net/support.aspx?did=BAB0DA9A-857E-41B3-A1DD-3DC0663BB9A4

on Apr 10, 2015 | Landice Exercise & Fitness

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