Question about Stairmaster Exercise & Fitness
My stairmaster 4400 pt or cl will only work on manual for about 5 mins and then automatically reset to the beginning( intro and selecting a workout). with the other options as soon as its pressed it goes back to intro. What is causing this?
My Stairmaster unit seems to work in manual mode, but resets when I select a program. What is wrong? It is possible that the console on your Stairmaster unit may not be configured for the appropriate machine. This can result in the console accepting and allowing a manual workout but not accepting or allowing a program. Stairmaster Units Works in Manual Mode but Not in Program
Posted on Jul 22, 2014
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Posted on Jan 02, 2017
Unplug dc power connection then remove right side panel check for loose connections on on alternator, check distance of speed sensor to speed sensor disc you should no more than 3 credit card distance between them. Next remove the black wire from the B+ terminal on the alternator, then remove the brown wire from the field terminal on the alternator.Place a short wire with alligator clips between B+ and field terminals start stepping for about 10 to 15 second you should full resistance in that case its the upper console that if not replace alternator
Posted on Mar 14, 2010
Remove console knobs form the back of the console, lift the up, and disconnect the 20 pin cable from the console. Get a multi meter go to dc volts 100v range. On the connector you will be testing for 12 to 19 volts. When Looking at the connector the connector nipple should be pointing left starting form the bottom left odds numbers right bottom even you will hunt for pin 1 Neg pin 10 Pos. If all voltage readings are within 12 to 19 volts and the console is not powering up , then either replace or have the console repaired.
National Gym Parts can help with process go to http://www.gympart.com/
Posted on Apr 11, 2010
This could be the hub assembly slipping I would replace this assembly and the pedal chains call National Gym Supply @ 800-496-7278 and get pricing for the hub assembly and step chain ( L & R )
Posted on Jun 01, 2010
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