M730L CNC: "S01 Aux ax absolute posn lost" and "Z71 Aux ax drop voltage"

In this video, we troubleshoot a misleading diagnostic error on a Mitsubishi 730L CNC (as seen on a Mazak PT20)
. We encountered two primary alarms on the indexing auxiliary axis (ATC d...

M640T How to force PLC signals

M640T: How to replace NC CPU & restore NC data(srambkf.dat), options (mnt_bkup.dat) & PLC LADDER

Mazak PT20-Mitsubishi 730L: how to make ALL BACKUP

Mazak PT20-Mazatrol 730L: backup CNC OPTIONS

M640T backup, initialization & recovery after 26 illegal parameter ( 1, 36, &0037) & ( 1, 41, &0037)

Machine running condition (00:00)
Add Z-OFFSET=999 (01:17)
Edit the selected program (01:33)
Moving the X-axis (01:44)
Servo monitor screen. No alarms (01:53)
Servo ...

Mazak PT20, M730L: R.D. Alarms reset 1393, 1394, 1395, 1396, 1397

1393 RD Relocation Detected
1394 RD Communication Error
1395 RD Battery Change Time Exceeded
1396 RD Low Battery
1397 RD Battery Not Mounted

Steps applied on t...

Mazatrol Matrix Nexus: How to troubleshoot user alarm on PLC LADDER. How to enable PLC Parameter

#354 Cond.Missing (Set Up Switch). Coil F154 on the PLC LADDER .
PLC Parameter RB30.3

M640T: How to MODIFY the PLC LADDER

This video shows the procedure how to MODIFY the PLC LADDER. The logic is for coil F0 which is "ALARM 200: THERMAL TRIP (EMERGENCY STOP)" signal

PROCEDURE:
Be sure ...

Mazatrol M640T: How to enable spindle orientation. Parameters R52.7 (Enable) and R33 (Orient angle)