Question about Exercise & Fitness
LS Error on Landice L-Series Treadmills with Belt Movement
A LS error on the Landice L-Series treadmills can also look like L5 and this error code means there is a loss of speed signal. This error can occur with belt movement but speed will not increase. Causes for the LS or L5 error with belt movement are:A) Speed sensor is out of adjustment
B) Speed sensor is damaged or faulty
C) Display cable is damaged or faulty
D) Improper speed control wiring Corrective Action A) Speed sensor should sit parallel with the flywheel and gap between speed sensor and flywheel should be within 1/16". Adjust speed sensor if necessary.
B) Inspect speed sensor connector to relay board. Check for pushed pins or loose wires. Repair or replace speed sensor assembly if necessary.
C) Inspect upper harness or display cable connector to relay board. Check for pushed pins or loose wires, giving specific attention to pin 5 (brown) and pin 9 (green). Repair or replace display cable if necessary.
D) Inspect speed control wiring:
Details about LS Error on Landice Series Treadmills with Belt Movement
Posted on Feb 04, 2015
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Posted on Jan 02, 2017
This happened to mine and I figured out that the sensors were dirty. I got some canned air that you spray on computers and sprayed out the mother board. I also sprayed the electrical contacts with electrical contact cleaner and the treadmill is a good as new.
Posted on Jan 31, 2010
SOURCE: ? L5
Upper display lights up;treadbelt moves;speed will not increase;L5 error.
Check speed sensor alignment.
It should be within 1/16" of the flywheel
and parallel to the flywheel.
Is it out of position?
Unplug 3 wire speed sensor connector from
relay board. Check for pushed pins or loose
Unplug 12 wire upper harness connector
from relay board. Check for pushed pins or
loose wires. Specifically look at 8 (White)
and 12 (Green).
Is speed control wiring OK?
Purple wire from V+ on pwm board to P3 on relay board.
Orange wire from P1 on pwm board to P1 on relay board.
Brown wire from P2 on pwm board to P2 on relay board.
P3 on pwm board has no connection.
Adjust speed sensor:
1.Use 1/2" wrench and loosen
the two lock nuts securing
sensor to it's bracket.
2. Adjust sensor gap to 1/16".
3. Tighten lock nuts.
Repair or replace speed
sensor / harness assembly.
Repair or replace upper
harness. Part# 70251
Replace the speed sensor.
Part # 71007
Posted on Feb 06, 2010
Your L7 error looks like L5 , but its really LS which mean lost signal. Unplug unit take motor shroud off then plug unit back in wall outlet. When looking in front unit you will see a Motor control board and there are LED lit up one of them should be an amber light this is you speed sensor which is attached to the top of your motor. Manually rotate the fly wheel and see if that light flickers if it does then your speed sensor is working properly if not replace speed sensor. The next thing to look at is the motor brushes to if they are worn unplug unit you should see slitted caps on both side of motor remove them if they are less than 3/8" they need replacing. That for the most parts should take of your problem. Call Landice @ 1800-526-3423 have the serial# handy their on all the components in the unit
Posted on Feb 28, 2010
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