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Question About True Fitness Treadmill True 400
Can the Grade circuits be reset?...

After about 13 years my True 400P rose up from the floor and decided grade 0.0 was actually about 8.0. I've powered it off, unplugged it, but it still won't drop back to the real 0.0 grade.

Asked by Bob on 05/07/2009 3  Answers

ManualsOnline posted an answer 15 years, 6 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Bob posted an answer 15 years, 6 months ago

0 Not sure about your model, but mine is you hold the up and down together while putting on the safety magnet it will enter calibration mode, hit start. also try holding + and - and putting on the safety magnet.
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Bob posted an answer 15 years, 6 months ago

0 I tried holding the up and down together and the display went to "bad config." So your suggestion was correct. Hitting Start didn't do anything, nor did the Plus and Minus (for speed). Any further ideas?
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eric posted an answer 12 years, 9 months ago

0 I have the same thing happening with my True. Did you ever figure out the problem?
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