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.
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.
