When I turn on the treadmill the motor takes off(too fast)for just a
second then shuts off.The control console says "motor controller
error"
As far as repairing the board I have tried the
manufacturer,National Gym Part and Sportssmith they
all say that they do not work on a board this old.A
new one is about $350.I buy and sell used fitness
equipment,this comes up all the time and I need to
learn to fix problems such as this that are common to
treadmill controllers.I paid $5 for this unit either I
will fix it or it will go to the dump.It is a Precor
9.1.I had parts off a Precore 9.2 that I paid $8
for.The 9.1 would not do nothing at first.I noticed
where the circuit trace had melted right where the AC
power entered the board so I fixed that and took the
rectifier(I think)off the 9.2 board and exchanged it
for the one on the 9.1 board.Now it starts up and runs
for a second like I said then stops