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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!
Dear Sir: This is probably a 1) faulty speed sensor or 2)the speed sensor is not
plugged in properly. Its also possibly a 3) faulty motor control board or
lower board 4) Main motor faulty. . The error codes will differ between makes and models but
could be e1.You must test
see my personal TIPS for diagnose and troubleshooting.
See if you can run the software calibration for diagnose and trouble.
There should be 4 pulleys.2on the deck that are above the blades,put the belt on those first.
There should be a tension pulley,with the engine OFF,look on top of the deck and engage the blades.Note the direction the tension pulley moves,the belt must pass inside that pulley.Now disengage the blades and put the belt on the engine pulley.
Possible explanations and work-arounds based on various blood pressure
monitors..net is if it has worked religiously like mine had and this
error comes up, and the simple fixes below do not work, there is
something internally wrong with the unit..there does not seem to be any
customer reset or obvious fixes..contact the manufacturer for service..
Error Description Potential cause and remedy
«Err 3» No pressure in the cuff
An adequate pressure cannot be generated in the cuff. A leak
may have occurred. Replace the batteries if necessary. Repeat the
Err 0 No pulse is detected
Err 1 Inflation rate is too low
Err 2 Systolic reading unattainable
Err 3 Cuff pressure is too high
Err 4 Diastolic pressure is outside of operation range
Err 5 Cuff deflated too fast
Err 6 Cuff deflated too slow
Err 7 Systolic pressure is outside of operation range
Err 8 Overall pressure is outside of operation range
Err 9 Cuff is unable to inflate to the necessary pressure level
Error No. Possible cause(s)
Err 1 No pulse has been detected. Cuff may be positioned incorrectly.
Err 2 The arm was moved during the measurement.
Err 3 Inflation of the cuff took too long. The cuff is not positioned correctly.
That error code mean you motor is not getting the correct signal to operate the drive motor. You will need unplug unit then take the motor shroud off visually inspect all connectors then make sure all of them are seating solid in their connectors. then plug the unit in check an see if the L E Ds have lit on lower electronics board then get on unit and with your foot proceed to move the belt while doing that hit your start button and see if that error code come up. At this point we are checking the speed sensor to see if it is functional. Now if your upper console is registering its showing speed and time moving forward this also tells us that the communication between the two boards are fine. Now stop this process and you should have the error 1 show on the console. If you have a multi meter handy find the two leads coming form the motor going to the board unplug them put the two leads into the connector switch the meter to dcv 100v range and proceed to move the belt in the previous now the motor has become a generator and if function you should be getting a dcv output if not the it telling either worn motor brushes or open winding in the motor now if you get a reading then that lower board is defective. Then call York and get pricing on the defective part.