329
ALARMS
June 1999
96-8000
633 APC-CLAMP ERROR The pallet did not clamp in the amount of time allowed by the
M50 macro. This alarm is most likely caused by the VMC table
not being in the correct position. This can be adjusted using the
macro variables for the X position (#500 and 504) as described
in the "installation section". If the pallet is clamped, but not
correctly, run an M17 to unclamp, push the pallet to the correct
position, and run an M18 to clamp the pallet. Less common
causes could be that the slip clutch is slipping, the motor is at
fault, or an air line is blocked or kinked.
634 APC-MISLOCATED PALLET A pallet is not in the proper place on the APC. The pallet must be
pushed back against the hard stop by hand.
635 APC-PAL NUM CONFLICT REC & CH Pallet Number Conflict Receiver and Pallet Changer. The
incorrect pallet number is entered in Macro variable #510. Run
an M50 to reset this variable.
636 APC-SWITCH MISSED PAL 1 Pallet #1 did not return from the receiver to the APC in the
allowed time. This can be caused by the chain switch block
missing the limit switch, or from another mechanical problem,
such as clutch slippage.
637 APC-SWITCH MISSED PAL 2 Pallet #2 did not return from the receiver to the APC in the
allowed time. This can be caused by the chain switch block
missing the limit switch, or from another mechanical problem,
such as clutch slippage.
638 APC- DOOR NOT OPEN The automatic door did not open (in the allowable time), when
necessary to perform an APC function. This can be caused by a
bad air solenoid, a blocked or kinked air line, or a mechanical
problem.
639 APC- DOOR NOT CLOSED The automatic door did not close (in the allowable time), when
necessary after an APC function has been performed. This can
be caused by a bad air solenoid, a blocked or kinked air line, or a
mechanical problem.
640 APC- MISSING PALLET @ REC Pallet change sequence was halted because receiver switch
was not activated. Pallet is either unclamped or not on the
receiver. Ensure the pallet is correctly located on the receiver
(against the hard stop) then run M18 to clamp the pallet.
641 APC-UNKNOWN CHAIN LOCATION Neither chain location switch is tripped, so the control cannot
locate the chain position. This can occur if a pallet change is
interrupted for any reason, such as an alarm or an E-stop. To
correct this problem, the pallets and chain must be moved back
into a recognized position, such as both pallets home or one
pallet home and one on the receiver. The chain position
adjustment tool must be used to rotate the chain into position.
The pallets must be pushed into place by hand.
642 APC- INCORRECT CHAIN LOCATION Chain not in position to load or unload pallets when necessary.
To correct this, the mislocated pallet must be moved back into
the proper position by hand.
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