Troubleshooting Ch. 9 TRACKMASTER
86 TMX428 TMX428CP & TMX58 Service Manual 317-160-406 Rev 4
May 2021
Is the Red LED D13
on the Smart Power
Supply FG0495 on
continuously?
Replace Drive
PC2303-012-N
317-160-196
Turn the treadmill power
switch ON (-).
Verify that the speed sensor gap to flywheel
magnet is 1/4” and connector is secure on J10
on the Smart Power Supply FG0495.
Verify when the fly wheel magnet passes by the
speed sensor that D10 LED on the Smart Power
Supply FG0495 the red led light is on then goes
out after the speed is not present.
Is the Red LED D10 on
the Smart Power Supply
FG0495 flashing ON &
Off when passing by
flywheel magnet?
Replace Smart Power Supply
317-160-199
Send a Start Belt Command or Press
Start if equipped with controller.
Speed the treadmill up to 10 MPH
With the treadmill
running at 10.0
MPH for 1 minute,
is the Red LED
D13 on?
Treadmill should
be operational.
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