Lantech G Series - Film Delivery System (FDS)

TROUBLESHOOTING
72
8.3 Film Delivery System (FDS)
Problem Possible Cause Solution
9
Push the FDS “Up” button
and the FDS does not move
up.
The FDS “Up Travel” proximity
sensor does not operate correctly.
Examine, replace the sensor (FDS-
PRS1).
Examine the cable for damage. Make
sure that it connects with the sensor.
The control for the FDS lift does not
operate correctly.
Make sure that the input and output
voltage to the drive control is correct.
(FDS-VFD)
The gear drive and motor do not
operate correctly.
Examine the armature wires on the
drive motor.
The VFD does not operate correctly.
Make sure that the input voltage to the
VFD is correct.
Examine the cable for damage.
10
Push the FDS “Down”
button and the FDS does not
move down.
The speed control is set too low. Adjust the speed control.
The “Down Travel” proximity sensor
does not operate correctly.
Examine, replace the sensor (FDS-
PRS2)
Examine the cable for damage. Make
sure that it connects with the sensor.
The control for the FDS lift does not
operate correctly.
Make sure that the input and output
voltage to the drive control is correct.
(FDS-VFD)
The gear drive and motor do not
operate correctly.
Examine the armature wires on the
drive motor.
The FDS does not move freely.
Make sure that there is no blockage in
the path of the FDS.
Examine the guide rollers for blockage.
The VFD does not operate correctly.
Make sure that the input voltage to the
VFD is correct.
Examine the cable for damage.
11
The FDS does not wrap to
the top of the load.
The speed control is set too low. Adjust the speed control.
The “Film Overwrap” photoelectric
sensor is not set correctly.
Adjust, align the sensor (FDS-PEC1).
The “Film Overwrap” photoelectric
sensor does not operate correctly.
Examine, replace the sensor.
The “Up Travel” proximity sensor
does not operate correctly.
Examine, replace the sensor. (FDS-
PRS1)
12
The FDS does not move the
correct distance above the
load during the wrap cycle.
The “Film Overwrap” photoelectric
sensor is not set correctly.
Adjust, align the sensor.
The “Film Overwrap” photoelectric
sensor does not operate correctly.
Examine, replace the sensor.