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
2
2
2
2
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 12PIN connector.
Replace controller.
Replace console.
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 110-120V.
Replace Fuse.
Replace controller.
LIMIT
Limit the current of
DC motor.
When current of motor exceed 15A,
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.
S_D
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.
MOSFET is broken.
Drive IC was broken.
Replace controller.
Replace “Drive IC”.
UP
Motion of incline
motor
Motion of incline motor is up.
Transistor was broken.
Relay failed.
Replace controller.
DOWN
Motion of incline
motor
Motion of incline motor is down.
Transistor was broken.
Relay failed
Replace controller.
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