Lode ERGOMETERS, Service Manual

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Service manual Valiant treadmill V1.00 19
3.1 Replacement controller board
1. Open the control unit by removing the four Allen screws at the back of the control unit
(fig 1)
2. Remove the two black side covers. (fig 2 and fig 3)
3. Take the control board out by sliding the board from the clips (fig 4)
4. Remove the connectors from the board (fig 5, fig 6 , fig 7 and fig 8)
5. Take out the cable clamb from the flatcable (fig 9)
6. Slide out the control board (fig 10)
7. Remove the screw (M8) that holds the control panel (fig 11)
8. Take off the aluminium housing (fig 12)
9. If you need to replace the 25-wire ribbon cable that runs through the chassis of the
handgrip, cut-off the connector at one end and pull the ribbon cable out.
10. To pull the new cable through the chassis use a fishing tape and slide it through the
pipe first (fig 13)
11. Use a pair of tweezers to grab the end of the fishing tape(fig 14)
12. Pull out the fishing tape ( fig 15)
13. Connect the new ribbon cable with tape to the fishing tape (fig 16)
14. Guide the cable through the hole while you pull the fishing tape ( fig 17 and fig 18)
15. Push the cable into the control unit (fig 19)
16. Install the control unit in reversed order as described above.
17. The connector on the 26 wire flat cable should be connected with the marked cable
(red/bleu) at the side of the connector with the square solder island. Best visible at the
not component side of the circuit board.
18. Be careful the ribbon cable can be connected in two ways. See (fig 20) for the correct
connection.
19. Do not forget to place the dummy plug in the control unit at the treadmill, which has
to be used when there is no extra emergency stop installed at the handle bar (fig 21
and fig 22)
20. If the Valiant has been controlled by an external device do not forget to set the correct
RS232 protocol and baudrate for the communication.