SOURCE: 9100 life fitness treadmill
Sounds like you need a new lower board replacement. You can get that for that treadmill by call lifefitness or sportsmith.com Please rate me good
I’m happy to help further over the phone at https://www.6ya.com/expert/howard_079189dd4959a511
SOURCE: I am moving and my treadmill won't fit thru the door
Follow the steps from the user/assembly manual in reverse. Find the manual here:
http://us.home.lifefitness.com/resources/content/8/2/0/documents/T3%20Manual.pdf
Installation begins around page 9
SOURCE: error 1 message on older life fitness t3 treadmill
Error 1 - Start up error. This is caused because the belt was commanded to move and the opto (speed sensor on the motor) has not seen any movement or the belts movement was interrupted prior to it reaching its commanded speed. To fix Verify opto operation in Diagnostics, Motor Test
Mode, Section 2. Verify DC voltage at connector P6 pins 1 and 2. Verify that LED 4 on the Motor Controller flashes as the motor moves. Let me know if you need any more help. Fitness Fix-It
SOURCE: FET Error
FET error is caused by a short in the driver transistor on the motor controller. Unfortunately, the fix for this is to replace the motor controller.
SOURCE: Fet error message
The FET error message is caused by the driver transistor on the motor controller has shorted out. Unfortunately, the fix is replacing the motor controller.
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