Notifications
138
Operating manual HR9
– QS21XXXX
No.
Action
Description
Cause
Solution
851
STOP
Palletlift; Mechanical locking
device not retracted
Pins to prevent lift from falling
down are not retracted
Sensors detecting successful
retraction are not triggered
Unit is stopped and quick stop
is generated to prevent any
damage
Check if air pressure if
available
Downwards movement of
palletlift has been blocked
Place unit in manual mode
Move palletlift up and reset
alarm.
852
STOP
Palletlift; Chain slack detected
Chain tension is not correct
Palletlift landed on a unknown
object
Unit is stopped and quick stop
is generated to prevent any
damage
Downwards movement of
palletlift has been blocked
Place unit in manual mode
Move palletlift up and reset
alarm.
Check for objects underneath
palletlift
Check bottom level sensor for
alignment and correct
operation
853
HOLD
Palletlift; Pallet height incorrect
Pallet height higher than
usual.
Bottom stop position triggered
while top stop position is still
blocked
Check why top level sensor is
no longer triggered
Check alignment and proper
operation
Validate actual number of
layers on palletlift with counted
layers
Use recovery menu to view
the counted layers.
Remove layers if pallet is to
high
854
SHOW
Palletlift; Pallet type incorrect
Incorrect pallettype present
Pallettype not matching
production settings
Pallet is rejected automatically
855
HOLD
Palletlift; Not on pallet infeed
position anymore, no detection
from sensor
Infeed sensor not triggered
anymore while palletlift
should be on infeed position
for empty pallet infeed
Check why sensor is no longer
triggered
Check alignment and correct
operation
856
HOLD
Palletlift; Timing error on sensor
top position (under
stackingplates), no row detected,
check situation on palletlift
Top stop position sensor was
unblocked to early while
moving down after drop-off of
layer.
Check if layer height is
correct.
Place unit in manual mode
Move palletlift down, and reset
alarm.
Validate top stop position
sensor for alignment and
proper operation
857
ABORT
Palletlift; Upper endswitch
reached
Maximum allowed position
reached
Unit is aborted and quick stop
is generated to prevent any
damage
Upwards movement of
palletlift has been blocked
Place unit in manual mode
Move palletlift down, and reset
alarm.
Validate top stop position
sensor for alignment and
proper operation