I. Overview Purpose. This manual is designed to assist in service of SCIFIT TC1000 exercise machines. The manual is divided into sections to diagnose and isolate problems. Troubleshooting tables and procedures, along with drawings, are provided to aid technicians in servicing equipment. The Item Numbers given in the parts list in Section V can be used to determine the location of various parts in Figures 1 and 2.
II. Troubleshooting Tables Table 1 – Electrical Troubleshooting Problem Possible Reasons Solutions 1.1 The machine appears to Faulty power supply If buttons on the control display be off when plugged in board (Item 23). beep when pressed, replace power and switched “on”. supply board.
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1.7 The upper display (Item Ribbon cable connection Check cable connection at power 2) resets after starting a is loose (Item 5). supply and display boards (Items 23 program. and 2, respectively). Power cord is loose. Check and adjust as needed. Display board is faulty.
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Table 2 – Mechanical Troubleshooting Problem Possible Reasons Solutions 2.1 Pedals lock up while Power supply board Unplug power cord. If pedals now operating. (Item 23) is faulty. move freely, replace power supply board. Brake (Item 30) is faulty. If pedals do not move with power cord unplugged, replace brake.
III. Maintenance Procedures Procedure 1 - Removal and a. Plug into power source and Reinstallation of the Power Supply turn on. Board b. The message “SCIFIT FOR 1. Unplug the unit from the power SCIENTIFIC SOLUTIONS” source. should be scrolling across 2.
3. If there is no voltage, replace the supply board. Refer to Fig. 4. The power supply board. See voltmeter should read 4-5 VDC. Procedure 1. 9. If there is no voltage, replace the power supply board (Item 23). If 4-5 volts are present, replace the speed sensor.
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to SCIFIT (request a UPS call tag 17. Stand on the pedals and begin by phone). moving them at a rate typical of a 9. Reinstallation is the reverse of workout. removal. Before tightening the 18. The resistance on the pedals tension in the brake drive belt, should feel smooth and make sure that it is centered...