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
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s
s
h
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o
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o
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t
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n
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g
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2
2
4
4
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.
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 220-240V.
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”.
INC_UP
Motion of incline
motor
Motion of incline motor is up. Fuse was broken. Replace controller.
INC_DOWN Motion of incline
motor
Motion of incline motor is down. Fuse was broken. Replace controller.
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