b. If display shows 0.0 or emits sound continuously,
EN
switch the power off, then select the reverse
gear again. If the problems could not be solved,
the control unit could be deemed as defective
and must be replaced with a new one.
3. It should work properly, if a person is at a distance
of 1 m away from the front of the sensors.
a. When testing the sensor, if the display gives
continuous sound or shows 0.0, check whether
some parts of the car or some unwanted objects
fall into the detecting range, or the hole is too
small thus the sensor is fitted over tightly in it , or
the sensor is near to some strong interference
sources (such as exhaust pipe, other wires).
b. If the display shows some number but there is
nothing in front of the sensor, maybe the sensor
is detecting the ground. Check the position and
direction of the sensor. The sensors should be
slightly raised in horizontal. The sensors may
detect protruding objects in the back, such
as the license plate, the spare tyre and the
bumper. In this case, slightly adjust the sensors'
position.
c. If the problems could not be solved, the sensors
can be deemed as defective or the sensors
do not match with the control box. The whole
system should be replaced.
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