Question about Tunturi T20 Folding Programmable Treadmill

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E1 APPEARS ON VDU SCREEN, WHAT DO I DO??? - Tunturi T20 Folding Programmable Treadmill

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  • afgrepairs May 27, 2010

    does the track move or just e1 right away? if you have 5-10seconds of track movement before it e1's, it's a speed sensor issue. If it E1's right away, you've probably blown the lower control board on the machine.



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E1 on the t20 is a speed sensor issue. If you unplug the unit and wait a few minutes, plug it back in and turn it on. If the error clears and it doesn't return, you can use the machine normally. If it does come back, typically, check the following items. The speed sensor is a hall sensor (magnetic), meaning it reads a magnet embedded into the front drive roller. Take the motor cover off and ensure that 1 - the sensor is less than 3mm from the magnet. 2- the magnet is actually in the drive roller pulley and 3 - the drive roller is turning when machine starts.

E1 will appear when the board doesn't receive a signal within 10seconds of starting the machine. If all 3 variables above are met, you can check the sensor itself by unplugging it from the board, (trace the wire back and remove the molar clip from the board) and checking the continuity with a tester. Closed or 0 when the magnet is in front of the sensor, open or 1 when the magnet is moved away. If the sensor is good, within range of the magnet (reading the magnet with a continuity test is a good indicator of placement), the magnet is in the front roller pulley and the roller is turning when the machine turns on, you're more than likely going to be looking at a bad lower board. (circuit board by the drive motor),

Posted on May 28, 2010

  • jlam247 Oct 08, 2010

    Here's an illustrated guide on how to fix this issue:



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