14
Meanings of error message codes
Error code
Failure description Solutions
E1
Communication
abnormality:
abnormal
communication
between the controller
and the electronic
meter after powering
on
Stop the controller to enter failure state. It can not be started up. The
electronic meter displays the error code and the buzzer sounds for 3
times.
Possible reasons: There is interference between the controller and the
electronic meter. Check all the wires that connect the controller and the
meter. Make sure that all wirings are properly connected and that there
is no damage to them.
E2
Controller cann’t
detect the voltage
of motor
No speed sensor
signal: while there is
voltage output from
the controller to the
DC motor, speed
feedback can not be
received from the
motor for more than
3s.
1.check if the motor wire is well connected to the controller.
2.Stop and enter the failure state. The electronic meter buzzer sounds
for 9 times and the error code is displayed. No display at other areas. If
the system enters into standby state after about 10s of failure state,
restart can be conducted.
Possible reasons: If speed sensor signal is not received for more than
3s, check whether the sensor connector is well plugged or whether it is
damaged; plug it well or replace the sensor.
3.Stop and enter the failure state. The electronic meter buzzer sounds
for 9 times and the error code is displayed. No display at other areas. If
recovering to the normal state and enter into the standby state after
stop, normal startup can be implemented.
Possible reasons: Check whether motor wires are well connected;
re-connect motor wires. Check whether the controller emits abnormal
odor; replace it if yes.
E4
Incline motor
correction failure
or error
re-check incline motor after power on; Check the connection;
Change inverter and re-check it; Change the incline motor and
re-check;
E5
Over-current
protection: in the
operation state, the
controller
continuously detects
DC motor current of
more than the value of
rated current + 6A for
more than 3s.
Stop and enter the failure state. The electronic meter buzzer sounds for
9 times and the error code is displayed. No display at other areas. If the
system enters into standby state after about 10s of failure state, restart
can be conducted.
Possible reasons: System self-protection is triggered under excessive
current caused by the excessive load more than the rated value, or
some place of the treadmill is jammed so that the motor can not rotate;
thus, the system start up self-protection against excessive current under
excessive load; adjust the treadmill and restart it. Besides, check
whether there is over-current sound or burning odor when the motor is
running; replace the motor; check whether the controller emits abnormal
odor; replace it if yes; check whether power supply voltage
specifications is inconsistent or too low and use correct voltage
specifications for re-test.
E6
Explosion-proof
protection: abnormal
power voltage or
motor abnormality
leads to the damage
of driving motor circuit
Stop and enter the failure state. The electronic meter buzzer sounds for
9 times and the error code is displayed. No display at other areas. If
recovering to the normal state and enter into the standby state after
stop, normal startup can be implemented.
Possible reasons: Check whether the power supply voltage is less
than 50% of the normal value; please ensure correct voltage and test
again; check whether the controller emits the odor of burning; if yes,
replace the controller; check whether motor wires are well connected;
re-connect motor wires.
E7
Safety lock not in
position
put Safety lock in position; change Safety lock switch; reconnect
Safety lock line
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