Symptom

Probable Cause

Corrective Action

Soft Select

Malfunctions

Control Panel Issues

Mechanical Issues

Incorrect/ Missing Count Values

Defective Motor/ Start Capacitor

•Enter calibration mode

•Is there a count value displayed in the distance window? If No replace control panel. If yes- continue to next step.

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•Press and hold the softer button, release. Press and hold the firmer button to detect carriage movement in both directions. If the carriage cannot go full range from –220 and consistently stops in the same place, check for mechanical binding. Inspect the under pan for damage or areas that cause mechanical binding. Also inspect the carriage track in the side frame for binding. If the carriage cannot move to its full range and back in the time limit, check for mechanical binding.

•If the carriage is not moving and the motor is turning, check the set screws holding the drive shaft to the motor shaft.

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•Threaded shaft turns when commanded but the pulse count does not display/ or does not change. Physically check the hex cam located at the front of the shaft and on the motor shaft. Hex cam should be firmly attached. If hex cam slides freely super gluing it back onto the shaft can repair it.

•Hex cam moves but counter does not register. Ensure that the micro switch is properly adjusted and the switch is being made when the hex cam points press against the roller.

•Disconnect the cable at J4 and check for continuity on cable. Cable should have continuity if the switch roller is in a flat area of hex cam. If no continuity- replace cable. If good continuity, place cable back on J4 and continue

•While in calibration mode place the multi-meter leads on J4 and check for 5 Volts. If no 5 Volts- replace board.

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•If command and count data/voltage are present and Led 1 indicates AC voltage is good but soft select motor does not respond. Set probes on TP 8 and TP3, press soft command (with soft select limit switch not activated) result should be 120 VAC. Set probes on TP8 and TP2 and press firm command (with soft select limit switch not activated) result should be 120 VAC. If no 120 VAC on either test point- replace soft select board. If voltage is correct- continue to next step.

•In calibration mode, place red lead on the larger red wire and post on the start capacitor of the soft select system and the black lead on the common black lead, press firm- the result should be 120 VDC. Next place the white lead on the larger white wire and post on the start capacitor of the soft select system and the black lead on the common black lead; press soft- the result should be 120 VDC. If voltage is correct- replace the motor. If voltage is incorrect- replace the start capacitor.

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True Fitness 350-750 manual Soft Select Malfunctions
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350-750 specifications

True Fitness 350-750 is a premium line of treadmills designed to cater to fitness enthusiasts of all levels. Its distinctive features and cutting-edge technologies make it an ideal addition to any home gym or facility looking to provide a high-quality workout experience.

One of the standout features of the True Fitness 350-750 treadmill is its robust construction. Built with a heavy-duty frame, this treadmill can support users of varying weights and withstand intense workout sessions. The running surface is spacious, providing ample room for comfortable strides while walking or running, which is particularly beneficial for users who prefer to stretch their limits.

Performance is enhanced by the treadmill's advanced motor technology. True Fitness incorporates a powerful yet quiet commercial-grade motor, ensuring smooth operation and consistency during workouts. With a range of speed options, users can easily adjust their routines, whether they prefer a brisk walk, jogging, or sprinting.

The 350-750 also integrates a unique cushioning system, designed to reduce impact on joints during exercise. This is especially important for individuals prone to injuries or those recovering from them. The adjustable incline feature further adds variability to workouts, allowing users to simulate outdoor running conditions and engage different muscle groups.

In terms of connectivity, True Fitness provides a user-friendly LCD display that tracks essential workout metrics such as time, distance, speed, and calories burned. Additionally, integrated Bluetooth technology allows users to connect their devices, stream music, or utilize fitness apps seamlessly.

Safety is also a primary consideration in the design of the 350-750. It features an automatic shut-off function and a durable safety key that stops the treadmill if the user falls.

Moreover, with its sleek aesthetic, the True Fitness 350-750 is visually appealing, making it a stylish addition to any home gym. Durability, functionality, and an array of fantastic features make this treadmill a top choice for those serious about their fitness journey. The combination of technology, comfort, and performance holds versatile appeal for both beginners and seasoned athletes alike.
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