Treadmill JK Performa 9500 turns off and on repeatedly

[mircot80]

Re: Treadmill JK Performa 9500 turns off and on repeatedly

First, get rid of all that brown glue On the circuit board. That stuff goes conductive over the years. Could we get better pictures of the board without any wires attached?

ok I will

[CapLeaker]

Re: Treadmill JK Performa 9500 turns off and on repeatedly

First, get rid of all that brown glue On the circuit board. That stuff goes conductive over the years. Could we get better pictures of the board without any wires attached?

[mircot80]

Hello to all.

I received as a gift a JK Performa 9500 treadmill obviously not working, it is a tool with its years but it has a good engine and a wide running surface, in short I would like to try to repair it.

As soon as I turn it on, the display turns on for a few seconds and then turns off and then comes on intermittently without starting the engine.

This is the engine compartment:


Here is a filter I tried to exclude:


This is the board:


This is the command panel:


Youtube video where you can see the problem:
https://youtu.be/H-0TIN3aobw

The problem occurs even without connected motors.

where should I start?