Question about Proform iLog 750 Treadmill

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Treadmill seems to start out OK but after maybe 2 minutes suddenly bogs down to about half speed then will stop all together if keep trying to go. If step off the belt after it bogs, it will speed up to correct speed again and is fine if stay off but will bog back down if get back on the belt.

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Hi,
check the motor and the motor controlling card. check the motor is it over heating or not. also check the speed sensor beside the motor pulley. clean the speed sensor and refix it. then test again
ok

Posted on Jan 01, 2011

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hi,
There are two possibilities for this problem
1. Check the speed sensor on near the motor pulley. Remove the sensor and clean it and re-fix it. then make a try. if problem remains then
2. The motor speed controller is faulty. There is an IGBT for controlling the motor speed. If it get shorted the motor will run it its high speed.

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