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Code: SP CNG Flowchart
Manually toggle the
display cable for
possible intermittent
connection.
If the PWM LED does
not flash or
intermittently respond
when cable is toggled,
replace the display
cable.
1A
Stop
1B
LED responds
?
NO
Replace the M.C.B.
YES
Stop
Check motor brushes,
for unusual wear.
See (note 5)
Diagram #3
Note 5:
Turn the
treadmill off and
unplug. Remove
one brush at a time.
Check for unusual
wear, replace if
needed.
Brushes
good
?
Replace motor
brushes. Then
clear all error
codes. (Note 8)
NO
Treadmill
runs smooth
?
1C 1D
YES NO
YES
Diagram #2
4.40
110 Volt
220 Volt