Nordic Track control board issues (MC2100ELS 50-2Y)

Thread Starter

ep007

Joined Jan 19, 2024
4
Hi, I have a Nordic track treadmill control board (MC2100ELS50-2Y), it's running the motor, but sometimes it's slowing down a bit, but then running ok again for awhile. Then when I stop the treadmill from the console, the motor starts again and stops. This happens every 30 seconds. I disconnected everything except the power to the board, I can see the red LED blinks every 30 seconds. Anyone have any idea?
 

Thread Starter

ep007

Joined Jan 19, 2024
4
No there is no overload, the motor are not connected, when I put my ear close to the control board, I can hear a high frequency sound, not sure what that is. But th red LED is turning off for a split second every 30 seconds. I don't think that is normal.
 

MaxHeadRoom

Joined Jul 18, 2013
28,779
It is normal to be on Constant, until it receives a command and then it should be a slow pulse rate.
The best way to trouble shoot these boards is stand-alone on the bench, as the other processor in the Op panel can confuse things.
But you need the 20Hz PWM signal into HD2 pin 4.
 
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