25
Fault Code
Fault Description
Fault Processing
E1
Communication abnormal: The
control and computer has
abnormal communication after
start
1
.
Check the
wires from the
computer
are
connected
to the
controller properly or if there is any damage to the cables
.
2.
Check the
controller
and
c
hange it if it is damaged.
3.
Check the computer and change it if it is damaged.
E2
The motor wire is not
connecting well
1.
Check if the motor wire is connected well and re-connect the
motor wire.
2.
Check if there
is a
burn
ing
smell f
rom the
controller, if yes,
please
change the controller.
E3
Current overload
Protection
1.
Stop and go into fault status, computer
console
will ring 3 tones
and
shows fault code“E3”. Other areas show blank. After 10 seconds
will
go
into ready mode, and can restart.
2.
Possible Reasons
:
Over the rated load cause too much electricity
that
make system Self-preservation or some parts blocked and
the
DC
motor can’t process. Adjust the machine and restart.
3. Another please check the DC motor or controller ha
s
any bur
ning
smell or not. If yes, please change the motor or controller. Another
make
sure the power and voltage is comply with standard.
E4
Incline self-learning fault
Check if incline motor wire connect well. Make sure the AC wire
of incline motor connect well with drive board.
Check if incline
motor wire damage. Ensure these points are ok, press the button on
controller to let itself self -test, then can be used again
.
E6
Explosion-Proof Protection
：
Some unusual condition of
power or voltage that cause
damage to the motor drive
circuit.
Check if there
is a
burn
ing
smell f
rom the
controller, if yes, please
change the
controller.
Possible Reasons
:
The power voltage is less than normal or the
controller
has some problems. Make sure the motor wire is
connecting well.
—
—
Computer doesn’t detect safety
key signal
1
.
Check if safety key switch works, connecting wire works
and
magnet inside works
.
2
.
Safety key is not placed correctly
.
3
.
Safety key is damaged
.
No display on
computer
No power
1
. C
heck if power cable is connected to machine or change to
another power outlet. If power switch is in position, test it by switch
ON/OFF. If the power switch is burned out, replace one and make
sure there’s power to machine
.
2.
Check cable connection between computer and
controller
.
3
.
Replace
adapter
or computer
.
Error code and significance
