Troubleshooting
Ch. 9
TRACKMASTER
74
TMX428 TMX428CP & TMX58 Service Manual
317-160-406 Rev 4
May 2021
Smart Power Supply Incoming Power 110-240VAC Flow Chart 1D
1D
No
Yes
Is the Red D7
LED lit on Smart
Power Supply
FG0495?
Verify treadmill power switch
is in the off (0) position.
Verify wire connectors Inline
filter, 1/4amp breaker, and JP2
are connection on Smart
Power Supply FG0495.
Verify 1/4amp breakers are
not tripped.
No
Yes
Is the Red D7
LED lit on Smart
Power Supply
FG0495?
Verify incoming voltage 110-120VAC
Verify incoming voltage 220/240VAC
No
Yes
Is Voltage
between Red
and Blue wire
110-120VAC?
Replace Smart Power
Supply FG0495.
317-160-199
Red D7 LED Light should
be lit on Smart Power
Supply FG0495
Reference 1D.
No
Yes
Is Voltage
between Red
and Blue wire
220-240VAC?
Turn treadmill power switch in
the on (1) position.
Replace Smart Power
Supply FG0495.
317-160-199
Red D7 LED Light should
be lit on Smart Power
Supply FG0495
Reference 1D.
Voltage
120VAC?
Voltage
220VAC?
No
No
Yes
Yes
1E
1E