Software function blocks Pallet dispenser PD1 - SIEMENS
20
7
Troubleshooting
Problem
Possible cause
Solution
Arms do not
open/close.
No air pressure.
Turn air pressure on.
No air pressure. Connection
to cylinder damaged.
Check connectors and tubing. If
necessary, replace parts.
Sensor error.
Check sensors. Adjust or
replace if necessary.
Carrier doesn’t go up
and down.
No air pressure.
Turn air pressure on.
No air pressure. Connection
to cylinder damaged.
Check connectors and tubing. If
necessary, replace parts.
Sensor error.
Check sensors. Adjust or
replace if necessary.
Pallets do not stack
properly.
Lift arms and or fingers are
not aligned correctly.
Adjust lift arms and or lift
fingers.
There is too much play
between the pallets and side
restraints.
Adjust the side restraints. There
must be no more than
2,5cm/1inch of play between
the pallet and side restraint.
The lifting arms/fingers
do not reach the pallet
on the .
Working height of machine is
too high.
Adjust supports.
Pallet is stuck in
machine.
Bad pallet or not properly
aligned in machine.
Use manual control box to
release pallet from lifting arms.
