SCIFIT DC1000 Guide d'installation

1 Table of Contents Page I. General Information 2-5 II. Set Up 6 III. Theory of Operations

10 E. The upper PCB controls the elevation system. It provides the voltage to the EPOT by interfacing through the lower PCB and then measures the v

11 IV. Mechanical Troubleshooting A. Mechanical Troubleshooting Table Problem Possible Reasons Solutions Front, rear, or guide roller is maki

12 B. Deck / Belt Friction Test 1. With the treadmill either turned off or in idle mode, stand on the running belt (P1246) with your feet in pos

13 V. Electrical Troubleshooting A. Electrical Troubleshooting Table Problem Possible Reasons Solutions Unit keeps blowing fuses on lower PC

14 Electrical Troubleshooting Table (cont.) Problem Possible Reasons Solutions When pressed, buttons do not beep and the numbers do not change on

15 B. Troubleshooting Flowcharts

16 Status QueryActionDC1000Belt DoesNot MoveLights onDisplay?Start buttonworking?Belt movewhen speed setto 3mph?Refer to No Light onDisplay flowchart

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18 StatusQuery ActionDC1000IntermittentlyShuts Down /ResetsReliable powersource (110-125 VACw/dedicated circuit) andestablished powerconnections?YesN

19 StatusQuery ActionDC1000Does NotChangeElevationLightson upperdisplay?Refer to No Lightson DisplayflowchartNoElev. Arrowschange values ondisplay?Ye

2 I. General Information Purpose This manual provides information for the servicing of SCIFIT DC1000 treadmills. It uses systematic troublesho

20 C. Lower PCB LED’s and Upper PCB Jacks DC1000 Lower PCB (Motor Controller) LED’s LED Function Function Description D5 Power 12 to 18 VDC is p

21 D. Lower PCB (Motor Controller) Diagram No. Label Description 1 None Elevation Down Relay 2 None Elevation Up Relay 3 D7 (Belt) Belt Ena

22 E. Block Diagrams

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25 F. Test Mode The Test Mode provides technicians with additional information for use in troubleshooting the DC1000 treadmill. Turn the power sw

26 numbers when it is elevated. When satisfied that the elevation system is working, press STOP to advance to the next test. 4. Speed Test WARNING

27 G. Club Mode (Thru Version 1.2 Software) The Club Mode enables club owners and managers to customize certain features of the DC1000 treadmill.

28 the elevation display showing hundreds of miles (or kilometers). If “FLIP” is displayed in the TIME window in normal operating mode and the deck

29 7. Calibrate Elevation If you have calibrated the speed, you will need to reenter the Club Setting Mode again. Press SELECT until “CALE” is sho

3 3. SCIFIT’s warranty does not apply to parts requiring replacement or repair due to abnormal wear and tear, improper use, corrosion (perspiration)

30 range is from 0 to 90 minutes in increments of 5 minutes. “0” is unlimited time and is the default setting. The top display shows the time selec

31 Make sure there is nothing on the treadmill belt. It will be moving at high speed on this next step. In SPEED CALIBRATION mode, the target speed

32 elevation potentiometer (it should be more than 225 when the treadmill is completely elevated). The treadmill will elevate to the high limit swit

33 7. Let the treadmill belt slow down completely before performing this next step. “Ir C” will be present in the speed window. The default value

34 VI. Adjustments and Parts Replacement A. Running Belt Tracking and Tensioning 1. Checking Belt Tracking: a. Observe the location of the bel

35 B. Deck and Running Belt Replacement 1. Elevate the treadmill to 15% grade. 2. Unplug treadmill from the outlet. The treadmill will remain

36 5. Remove the two (2) rear end caps by removing two (2) 5/16” bolts, one (1) per side, using a ½” wrench and socket. Using a 9/16” wrench, remov

37 these outside bolts. Do not do anything to the bolts that runs through the cross braces and into the deck. 13. Once the deck is free, remove the

38 the front roller the reverse of the way you removed it. Position the roller with motor belt in place and install the two (2) front roller bolts.

39 C. Cushioned Deck and Running Belt Replacement 1. Elevate the treadmill to 15% grade. 2. Unplug treadmill from the outlet. The treadmill w

4 UPS or Federal Express account, or COD the difference in freight cost between ground shipment and overnight or second day. Return Parts In order

40 4. Using a Philips screwdriver, remove the motor hood (P1252). 5. Remove the two (2) rear end caps by removing two (2) 5/16” bolts, one (1) pe

41 10. Slide guide roller assemblies out from under the extrusion and deck belt. 11. Using a 9/16” socket, remove the two (2) bolts holding front r

42 26. Line up the holes in the end cap bracket with the holes in the extrusions and welded tabs of the rear cross member. 27. Insert the bolts for t

43 D. Belt Replacement Walk-In Procedure 1. Once the deck has been flipped or replaced and a new belt has been installed, the combination must

44 E. Guide Roller Replacement 1. Elevate the treadmill to 15% grade. 2. Unplug treadmill from wall outlet. Treadmill will remain elevated. 3.

45 the roller threads. Rotate the right side of the front roller (A1244) under the deck and running belt. This will loosen the motor’s timing belt

46 8. Remove the rear feet. Using a 9/16” wrench, hold the head of the bolt that runs through the center of the foot spacer (A1249) and into the fo

47 24. Mount the guide rollers back into their normal positions. 25. Tension the running belt according to the “Running Belt Tracking and Tensioning”

48 motor pulley, one (1) of the tension bolts will need to be tightened. If the belt is riding against the inside lip of the motor pulley, one (1) o

49 6. Press down on the right side of the front roller until it is free of the front roller spacer (A1401). 7. Remove roller spacer. Newer models

5 Preventative Maintenance Preventative maintenance, completed according to the schedule below, will keep your SCIFIT equipment functioning properly.

50 and move motor slightly forward or backwards and retighten nuts. Repeat this procedure until the tension is correct. 22. Verify all nuts and bolt

51 8. Remove the three (3), elevation motor mounting bolts. Earlier elevation motors were mounted using ¼-20 x .5 button head bolts. These require

52 that shaft and pinion horizontally until it does. Then re-tighten the outermost bolts. 24. Reconnect the elevation motor and starter capacitor

53 6. Install the new potentiometer (P1269) onto the old bracket (P1485). To do this step, loosen the set screw on the pinion (P1479), using a 1/16

54 3. Disconnect wires running to each limit switch (P1260). 4. On the backside of the bracket that the limit switches mount to, remove the two

55 5. Using a ½” socket and extension, remove the four (4) bolts with washers and the four (4) nuts with washers from the upright bases. 6. Remove

56 M. Upper PCB Replacement 1. Turn off the power to the unit then remove the safety magnet (S1744) from the upper display. 2. Using a Philips

57 This plugs into the vertically mounted header on the right, backside of the upper PCB. • Broadcast Vision is another optional feature of the trea

58 7. Remove upper PCB. 8. Using a 1/16” Allen wrench, remove the two (2), 4-40 X ½” screws holding the magnetic switch (P1522) in place. 9. Pull

59 O. Wireless Heart Rate PCB Replacement 1. Turn off the power to the unit then remove the safety magnet (S1744) from the upper display. 2. Usi

6 II. DC1000 Treadmill Power Requirements The DC 1000 Treadmill is a high performance machine with certain power requirements that must be maintain

60 P. Contact Heart Rate PCB Replacement 1. Turn off the power to the unit then remove the safety magnet (S1744) from the upper display. 2. Using

61 • The cable from the power switch or filter (if equipped) has two (2) wires on the newer treadmill while the older treadmills have three (3) wire

62 VII. Assembly Drawings and Parts Replacement

7 III. Theory of Operations DC1000 (120 VAC) The DC1000 is a dynamic DC treadmill designed for a wide range of applications that vary from the med

8 D. Contains the display LEDs and LED drivers. 12 VDC from the lower PCB is regulated to 5 VDC, which powers the LEDs. E. Contains five (5) and e

9 System Functions 1. Turning on the treadmill A. The power cord must be plugged into a 120 VAC, 15 or higher amp dedicated circuit. B. Turning o