22
E3
No speed
sensor signal:
The voltage
output is
controlled to
the DC motor,
and the motor
speed
feedback is
not received
continuously
for more than
3 seconds.
3.1 Check if the motor terminal is firmly
connected to the control.
3.2 Stop into the fault state, the electronic
watch buzzer sounds 9 times, and the fault
code is displayed at the same time, and the
rest of the area does not display the content.
After the fault condition is maintained for about
10 seconds, it enters the standby state and
can be restarted.
Possible cause: The speed sensor signal is
not detected for 3 seconds,
3.3 Check if the sensor plug is not inserted or
damaged, plug it in or replace the sensor.
3 Stops into the fault state, the electronic
watch buzzer sounds 9 times, and the fault
code is displayed at the same time, and the
rest of the area does not display the content.
If it returns to normal after the shutdown, it can
enter the standby state and start normally.
