330
ALARMS
June 1999
96-8000
Note: Alarms 1000-1999 are user defined by macro programs.
The following alarms only apply to vertical mills with a pallet changer:
1002 Unclamp Error The pallet did not unclamp in the amount of time allowed. This
can be caused by a bad air solenoid, a blocked or kinked air line,
or a mechanical problem.
1003 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, 504) as described in
the "Installation" section. If the pallet is in the correct position but
not clamped, push the pallet against the hard stop and run an
M18.
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, an air solenoid is bad, or an air line
is blocked or kinked.
1004 Mislocated Pallet @ APC A pallet is not in the proper place on the APC. The pallet must be
pushed back against the hard stop by hand.
1005 Pal No 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.
1006 Switch Missed Pal 1 Pallet #1 did not return from the receiver to the APC in the
allowable amount of time. This can be caused by the chain
switch block missing the limit switch, or from another
mechanical problem, such as clutch slippage.
1007 Switch Missed Pal 2 Pallet #2 did not return from the receiver to the APC in the
allowable amount of time. This can be caused by the chain
switch block missing the limit switch, or another mechanical
problem, such as clutch slippage.
1008 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.
1009 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.
1010 Missing Pallet @ Receiver 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 receiver
(against hardstop) then run M18 to clamp the pallet.
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