| PROBLEM |
CAUSE |
SOLUTION |
| Clamp.
Does not open after 1-1/2 turns. |
Air cylinder does not retract. |
Look for kink in the hose. If
none, adjust the valve flow controls. |
| Carriage bottom limit stop may
be too low and the film is wrapping too low onto the clamp preventing
it from opening. |
Move the stop block higher for
the film to wrap approx. 5 inches over the clamp
jaws. |
| Heat
wire does not cut the film. |
The push arm may not have engaged
completely. |
Look for the reed switch to
make sure the PLC receives the signal when the arm is out. |
| The fuse may be burned. |
Check for short, if none, change
the fuse using the appropriate rating. |
| The cut wire may have broken. |
Change the cut wire with .032 guage
nichrome wire. |
| The flow controls on the cylinders
may need adjusting. |
Look for kink in the hose. If none
are found adjust the flow control on the cylinder. |
There may be a lack of air pressure
to the system. |
Look for the air pressure gage
it should not be below 80 PSI. |
| The cylinder may be defective. |
Change the defective cylinder. |
Heat
wire does not go back home. |
The flow controls on the cylinders
may need adjusting. |
Look for kink in the hose. If
none, adjust the valve flow control. |
| There may be a lack of air pressure
to the system. |
Look for the air pressure gage
should not be below 80 PSI. |
| The cylinder may be
defective. |
Change the defective cylinder. |
| Push
arm is not moving. |
The flow control may need to
be adjusted. |
Look for kink in the hose. If
none, adjust the valve flow controls. |
| The cylinder may be defective. |
Change the defective cylinder. |
| The valve may be defective. |
Change the defective valve. |
