G29 And M Commands In A Block; G52 Invalid During G54.1; No Spec: Chuck Barrier; No Spec: Stroke Chk Bef Travel - Mitsubishi Electric M800 Series Manual

M800/M80/E80/C80 Series Alarm/Parameter Manual
12 Program Errors (P)
P436

G29 and M commands in a block

Details
An M command was issued simultaneously in the G29 command block.
Remedy
Place the M code command, which cannot be issued in a G29 command block, in separate block from G29
command block.
P438

G52 invalid during G54.1

Details
A local coordinate system command was issued during execution of the G54.1 command.
Remedy
Correct the program.
P450

No spec: Chuck barrier

Details
The chuck barrier on command (G22) was specified although the chuck barrier is out of specifications.
Remedy
Check the specifications.
P451

No spec: Stroke chk bef travel

Details
Stroke check before travel (G22/G23) was commanded though it is out of specifications.
Remedy
Check the specifications.
P452 Limit before travel exists
Details
An illegal command, which places the axis travel start/end point in the prohibited area or moves the axis
through the prohibited area, was detected when Stroke check before travel (G22) was commanded.
Remedy
Correct the coordinate values of the axis address commanded in the program.
P460 Tape I/O error
Details
An error has occurred in the tape reader. Otherwise an error has occurred in the printer during macro printing.
Remedy
Check the power and cable of the connected devices.
Correct the I/O device parameters.
P461 File I/O error
Details
A file of the machining program cannot be read.
Remedy
In memory mode, the programs stored in memory may have been destroyed. Output all of the programs
and tool data and then format the system.
Ensure that the external device (including SD card/USB memory) that contains the file is mounted.
Correct the parameter settings for HD operation, SD card operation or USB memory operation.
P462 Computer link commu error
Details
A communication error occurred during the BTR operation.
Remedy
"L01 Computer link error" is displayed simultaneously. Take the remedy corresponding to the error No.
147 IB-1501279-H