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Proform 770 EKG treadmill (slipping and loud screech)

I have a Proform 770 EKG treadmill. The model number is 831291661. Less than one minute of walking on the treadmill, I almost slipped. After applying pressure on the belt (from the feet), I almost fell twice. Accompanied with that is a screeching sound. With one foot on the side of the rail, I applied pressure with my other foot on the walking belt. The belt stops and screeches as long as the pressure is applied. Once I took that foot off the walking belt, the walking belt continues to run "normally". This slipping and screeching occurs when pressure is applied to the walking belt at low and high speeds.

Any help is appreciated.

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2 Answers from these members:
Manage My Life
by Manage My Life
November 15th, 2010
Answered in 24 minutes
0 votes
Mark T
by Mark T Earned 3,053 community points in Treadmills
November 16th, 2010
0 votes
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