How do I fix and clear Mazak alarm 887?

1. Check the parameter. 2. Check the network connection between the NC and the host computer that stores the specified program. 3. Take actions below. Change the file size setting at parameter DPR8 to a value larger than the text file. Reduce the size of the text file to be output to within the file size setting at parameter DPR8. If a value other than “0” is displayed for the detailed error code in the parentheses, note the number and contact the nearest Mazak Technical Center or Technology Center. Clearing procedure: Fix cause → press RESET.

ALARMSMazatrol Assistant

CRITICALAlarm code

887

TAPE I/O ERROR (WNo., NNo., BNo.)

Q: What does Mazak alarm 887 mean?

Mazak alarm 887 is "TAPE I/O ERROR (WNo., NNo., BNo.)". 1. An error occurred at the tape reader, or on the printer during macro printing. 2. Calling of a program inside the host computer failed during Ethernet operation. 3. The size of the output text file exceeded the value set for DPR8. When the cause is either No. 1 or 2 above, WNo., UNo. and BNo. will be displayed in the parentheses. When the cause is No. 3 above, the error type, detailed error code and “0” will be displayed in the parentheses. Error types 110: File open error, 111: File write error, 112: File size over error Machine state: Reset stop — waiting for reset.

What it means

1. An error occurred at the tape reader, or on the printer during macro printing. 2. Calling of a program inside the host computer failed during Ethernet operation. 3. The size of the output text file exceeded the value set for DPR8. When the cause is either No. 1 or 2 above, WNo., UNo. and BNo. will be displayed in the parentheses. When the cause is No. 3 above, the error type, detailed error code and “0” will be displayed in the parentheses. Error types 110: File open error, 111: File write error, 112: File size over error

What to do

11.
2Check the parameter.
32.
4Check the network connection between the NC and the host computer that stores the specified program.
53.
6Take actions below.
7Change the file size setting at parameter DPR8 to a value larger than the text file.
8Reduce the size of the text file to be output to within the file size setting at parameter DPR8.
9If a value other than “0” is displayed for the detailed error code in the parentheses, note the number and contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

B (G)Error typeunspecified

IStop statusReset stop — waiting for reset

OClearingFix cause → press RESET

Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.

Still stuck? Ask the Mazatrol assistant →