Installation manual US01B.M8 / US04B.M8
17.02.2017
10
6
Trouble shooting
Causes and possible solutions for errors
Description of error
Cause
Corrective action
Limited control range
Edge has moved
outside the sensor
detection range
Adjust sensor more
accurately to the center of
the measuring range.
Occasional control dropouts
Ultrasonic
transmitter or
receiver side is
dirty
Clean sensor with wet cloth
BKS guides web edge
immediately out of the
sensor detection area
Sensor is installed
on the wrong side
Install sensor on the correct
side (right sensor for „Edge
right“, etc.
Sensor
is
connected to the
wrong socket
Connect sensor plug to the
correct socket (left plug to
left socket, etc.)
Steering frame does not
move at all
No signal; sensor
not connected
correctly
Connect sensor correctly
according to screw terminal
arrangement, follow the
installation manual of web
guide controller
No signal; cable
interruption
Replace cable or send
sensor to FMS
No signal; sensor
defect
Send sensor to FMS; use
other sensor
No power supply
Check 24VDC supply
Sensor signal is 0V.
The sensor is fully
covered
Adjust sensor more
accurately to the web edge;
center measuring range
Sensor signal is
10V. The sensor is
uncovered
Adjust sensor more
accurately to the web edge;
center measuring range
Table 5: errors and solutions
