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
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
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
1
1
9
9
Noise in the rear of the
treadmill.
1. Rear roller bearings are defective.
2. Rear roller misaligned.
1. Replace with new rear roller.
2. Adjust rear roller position.
3. CONTROLLER DEBUGGING FORM
Indicator LED
Function
Condition
Reason
Solve
PWM
Motor speed
Normal on when start is pressed.
Fault condition if start is pressed &
LED off.
No input.
Check fast/slow wires of 12 PIN connector.
Replace controller.
POWER
Controller
power
If
DC
voltage
is
normal,
it
would
be
always ON. If off, fault condition
exists.
Voltage is not correct.
Fuse is blown.
Transformer is no good.
Check the supply voltage is 103-127V.
Replace Fuse.
Replace controller.
LIMIT
Limit the current of
DC motor.
When current of motor exceed
23A
,
the LCD will turn on.
If LIMIT light is bright for 3 to 5
seconds, the S_D light will turn on.
Loading is too high on belt.
Operation is not correct,
motor lock.
Check mechanical drive system is not locked
or jammed.
Replace controller.
Replace motor.
SHUT_DOWN
Controller shut down. If controller has unusual shut down,
the S_D light will be always bright.
Motor lock, LIMIT light
will be bright for 3 to 5
seconds previously.
Turn off power and reset the treadmill.
MOT_DRV
Motor
Drive
Circuit
fault.
If motor Drive Circuit has a fault,
LCD ON.
Fuse is broken.
Drive IC was broken.
Replace controller.
Replace “Drive IC”.
