S
S
e
e
r
r
v
v
i
i
c
c
e
e
M
M
a
a
n
n
u
u
a
a
l
l
S
S
e
e
a
a
r
r
s
s
3
3
0
0
4
4
2
2
7
7
0
0
T
T
r
r
e
e
a
a
d
d
m
m
i
i
l
l
l
l
M
M
a
a
u
u
r
r
i
i
c
c
e
e
P
P
i
i
n
n
c
c
o
o
f
f
f
f
s
s
1
1
(
(
8
8
8
8
8
8
)
)
7
7
0
0
7
7
-
-
1
1
8
8
8
8
0
0
T
T
r
r
o
o
u
u
b
b
l
l
e
e
s
s
h
h
o
o
o
o
t
t
i
i
n
n
g
g
2
2
3
3
T
T
r
r
o
o
u
u
b
b
l
l
e
e
s
s
h
h
o
o
o
o
t
t
i
i
n
n
g
g
Treadmill will fold
automatically without
pressing the switch.
Relay on the controller is defective.
Replace controller and calibrate it.
See calibration page.
Tread belt does not run in
the center.
Tread belt tension not even across tread belt.
See treadbelt adjustment
(see Appendix A)
Tread belt hesitates while
being stepped on.
Insufficient lubricant on tread belt.
See treadbelt lubrication
(see Appendix B)
Black particles collecting
under treadmill.
Drive belt is breaking in.
Vacuum under treadmill periodically.
Noise under motor cover. Worn brushes or bearings on motor.
Front roller bearings are defective.
Drive belt is misadjusted (too tight or too loose).
Replace motor.
Replace front roller.
Adjust motor position.
Noise in the rear of the
treadmill.
Rear roller bearings are defective.
Rear roller misaligned.
Replace rear roller.
Adjust rear roller position.