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SERVICE MILLTEX CNC TYPE TEX 68, FANUC Alarm 971 NMI OCCURRED IN SLC, Problem SYSTEM ALARM

FANUC Alarm 971 NMI OCCURRED IN SLC, Problem SYSTEM ALARM
SERVICE MILLTEX CNC TYPE TEX 68. FANUC Series 0i Mate-TC A02B-0311-B520.
CNC Machine Brand MILLTEX
FANUC Alarm 971 NMI OCCURRED IN SLC
Problem SYSTEM ALARM
Type : TEX 68 CNC LATHE
Main Volt : 220 Volt AC
Main Motor : 15 HP
Speed Range : 6000 RPM
Mfg Date : 2009/07
Hz Cycle/ Phase : 50/ 3
Weight : 3000Kg
Air Pressure :6-9 bar

Fanuc's Alarm Description: An alarm condition occurred in the interface with an I/O unit. For PMC- RA1, PMC-RA2, and PMC-RB, check that the PMC control module on the main CPU board is conneted to the I/O unit securely. For PMC-RC, check that the PMC control module on the option 3 board is connected to the I/O unit is supplied with power and that the interface module is intact. With the PMC–SA1, an I/O Link disconnection was detected. Check the I/O Link.










Troubleshooting & maintenance CNC machine.
Repair Card Unit FANUC Series 0i Mate-TC A02B-0311-B520.
Engineering services & solving problem.
Backing up the program & parameters of the machine & then return it back. 
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