Operating Manual BKS309.MS
14.08.2018
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11
Trouble Shooting
Error
Cause
Corrective action
Edge outside
detection band
Edge has moved
outside the sensor
detection band
Adjust sensor more accurately to the
web edge;
Adjust reference position less during
automatic operation
BKS guides web
edge immediately
out of the sensor
Sensor is mounted on
the wrong side
Mount sensor to 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
No signal; sensor not
correctly connected
Connect sensor correctly according to
screw terminal arrangement and
installation guide
No signal; cable
interruption
Replace cable or send sensor to FMS
No signal; sensor
defect
Send sensor to FMS; use other sensor
No response of
the interface
Wiring not correct
Check wiring
Display shows
nothing, frame
doesn’t react
Fuse blown
Replace Fuse on power supply board
Power supply defect
Check or correct power supply
installation
Electronic control unit
defect
Contact FMS customer service
Frame moves
abrupt to one of
the end positions
Stepper motor driver
defective
Exchange actuator of the frame.
Contact FMS service department for
spare parts and installation guide.
