Treadmill display not working.
Treadmill no power to console.
The reason could be that the power cord is not plugged properly within the treadmill.
The console will not power up if the safety key is not inserted securely in the slot.
Insert the safety key properly when starting the treadmill.
Worn batteries or crimped cords will need to be replaced.
One of the most common treadmill problems is that the display often doesn t work.
Flip the switch into the on position.
Power the treadmill console up by pressing the start button if you can.
Remove the safety key from the console suggests the user s manual for the proform 400x treadmill.
Some motor controllers are equipped with a fuse on it if this is blown the console will not light as well.
To fix treadmill console displays check the length of the power cord and visible wires.
Some motor controllers are equipped with a fuse on it if this is blown the console will not light as well.
If all tests well move on to the controller.
Check that the on button is pressed.
Sometimes the treadmill machine s display gets blank suddenly.
Replace the key tightly and try powering up again to see if that was the problem.
On some models pedaling for a few seconds may get the power to turn on.
If your treadmill is equipped with a separate power board then you will need to take voltage readings going in and coming out from the board if nothing is present then the power board is bad.
A failed power supply broken power cord tripped circuit breaker switch failed circuit breaker switch bad power switch wiring failure bad motor control board or failed console display can prevent the treadmill from powering up.
If all tests well move on to the controller.
If your treadmill is equipped with a separate power board then you will need to take voltage readings going in and coming out from the board if nothing is present then the power board is bad.
Press the buttons on the console and pedal an elliptical or stationary bike.
Usually the on button is located near where the power cord inserts into the frame.