E5 brand new is either a bad MCB or loose connection. Check the connection on the controller ( red plug ) sometimes they use to much glue and it pulls the connect out when it drys.
For my case, A ground to the right bottom stand side was loosened, and I noticed all ground terminals were attached on small copper tape piece except one, which was loosened, eventually increasing its resistance.
All groundings were on top of thick painting, so I did sanding to eliminate thick painting and tightened the ground terminal screw.
Then everything came back and running well.
So please check all ground terminals first.
This will be the easiest thing to check first.
SOURCE: F63 sole treadmill, low speed error when inclined
If the calibration does not pass you may need to check the speed sensoralignment. You must understand the instruction for calibration is under the hood for motor.
1) Remove the motor cover hood by loosening the 4 screws that hold it inplace (you do not need toremove them completely).2) The speed sensor is located on the left side of the frame, right nextto the front roller pulley (thepulley will have a belt around it that also goes to the motor). Thespeed sensor is small and blackwith a wire connected to it.3) Make sure the sensor is as close as possible to the pulley withouttouching it. You will see a magneton the face of the pulley; make sure the sensor is aligned with themagnet. There is a screw thatholds the sensor in place that needs to be loosened to adjust thesensor. Re-tighten the screw whenfinished.
2) if the problem persist you must Test the main motor for open, ground 3) the main control board faulty. See the block diagram that I did as person like you that understand that 90% of functions the main motor controller board has effect.
good luck. sincerely. God bless you.
E.CUADRA
MANAGUA, NICARAGUA. C.A
SOURCE: sole f63 treadmill squeaking with or without person on deck when incline goes down
There is a wheel loose and rubs against something in tat position...
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