Trackmaster FVX325, Field Service Manual

Page: 109 / 205

TRACKMASTER
8-28
FVX, TMX Series Service Manual August, 2006
Power Supply Relay Board Replacement TMX Series
Tools required
Wire cutters or utility knife
Grounding wrist strap
1/4” Hex nut driver or flat blade screw driver
3/32” flat blade electronics screwdriver
Approximate time to complete 1.25 hrs
1. Turn the treadmill main power switch to the off position.
2. Unplug the Treadmill from the wall receptacle.
3. Allow treadmill to discharge for 3 minutes.
4. Slide the hood grommets up the center handrail approximately 2’.
5. Remove the three hood securing bolts on the lower front end of treadmill.
6. Slide hood up treadmill center rail and force past the grommets, allow hood to hang from
grommets.
7. Put on wrist strap and ground it to the power cord ground screw.
8. Unplug the inverter signal harness from the power supply relay board, this is a 5-conductor plug
with rd, gry, blk, wh, & prpl wires on it.
9. Unplug the 4-conductor and 3-conductor plugs from the power supply relay board.
10. Unplug the two single conductor spades from the power supply relay board.
11. Unplug the two 2-conductor plugs from the power supply relay board.
12. Cut the two small Zip ties at the boards upper corners.
13. Slide the board up and out of the mounts.
14. Remove the RS232 harness by unscrewing the two flat head screws retaining it to the board.
15. IMPORTANT! Once removed, Note the position of the voltage switch.
16. Set switch on new board the same. IF WRONG DAMAGE WILL OCCUR!
17. Reverse procedure to install the power supply relay board back into the treadmill.
18. Note: you will need two new zip ties to re secure the board.
19. After installation, follow recalibrate the treadmill using the recalibration instruction for your model
treadmill, then check for proper operation.