Question about Precor 935 Premium Series Treadmill
I recently replaced the speed sensor and still get L5 code
If you have a known good speed sensor (reed switch) and you have tested it with an ohm meter (even new ones can be bad although not likely) all that is left is a motor brush issue or a bad upca. Pull the motor brushes and see if they still have life in them. Most brushes have lines formed in the sides to show where they need to be longer than to be acceptable. check the commutator and make sure it is clean as well. Use a stone to clean it if necessary. If all this checks out then you are looking at a bad upca.
Posted on Apr 03, 2014
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Posted on Jan 02, 2017
Yeah - the sensor is the problem... It is magnetic... You can find it next to the wheel on the belt - It is fairly small.... There is a metal disc in the wheell on the belt that is a magnet.. As it passes by the sensor - the sensor registers the magnet and can simply calculate speed based on the frequency of the passes... Sometimes the sensor slides too far back and ergo can`t register the magnet passing by - Then you get the L5 error...
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Posted on Jan 18, 2011
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