Fanuc 0-T and 0-M Faults, Errors, Alarms

[zigmund]

SERIES 0 SYSTEM ALARMS

This is a general list of system alarms for the following Fanuc series controls: Fanuc 0M-C, Fanuc 0M-F, Fanuc 00M-C, Fanuc 0M-D, Fanuc 0M-F, Fanuc 0M-C, Fanuc 0T-C, Fanuc 0T-F, Fanuc 0T-C, Fanuc 0TT-C, Fanuc 0T-D,  Fanuc 0TT-C, Fanuc 0C, 0-T and 0-M. These faults, errors, and alarms are not always common, but the whole list is here and hopefully this will help you out.

• Q: What is a Fanuc 910 Alarm code on a 0-T or 0-M? A: MAIN RAM PARITY : This RAM parity error is related to low-order-by-test.
  
  
• Q: What is a Fanuc 911 Alarm code on a 0-T or 0-M? A: MAIN RAM PARITY : This RAM parity error is related to the low-order bytes..
  
  
• Q: What is a Fanuc 912 Alarm code on a 0-T or 0-M? A: SHARED RAM PARITY :This RAM parity error is related to the low-order bytes of RAM shared with the digital servo circuit..
  
  
• Q: What is a Fanuc 913 Alarm code on a 0-T or 0-M? A: SHARED RAM PARITY : This parity error is related to high-order bytes of RAM shared with the digital servo circuit..
  
  
• Q: What is a Fanuc 914 Alarm code on a 0-T or 0-M? A: SERVO RAM PARITY : This is a local RAM parity error in the digital servo circuit..
  
  
• Q: What is a Fanuc 915 Alarm code on a 0-T or 0-M? A: LADDER EDITING CASSETTE RAM PARITY : This RAM parity error is related to low order bytes of the ladder editing cassette..
  
  
• Q: What is a Fanuc 916 Alarm code on a 0-T or 0-M? A: LADDER EDITING CASSETTE RAM PARITY : This RAM parity error is related to the high order bytes of the ladder editing cassette..
  
  
• Q: What is a Fanuc 920 Alarm code on a 0-T or 0-M? A: WATCHDOG ALARM : This is a watchdog timer alarm or a servo system alarm for axis 1 to 4..
  
  
• Q: What is a Fanuc 921 Alarm code on a 0-T or 0-M? A: SUB CPU WATCH DOG ALARM : This is a watchdog timer alarm related to the sub-CPU board or a servo system alarm for axis 5 or 6..
  
  
• Q: What is a Fanuc 922 Alarm code on a 0-T or 0-M? A: 7/8 AXIS SERVO SYSYTEM ALARM : This is a servo system alarm related to axis 7 or 8..
  
  
• Q: What is a Fanuc 930 Alarm code on a 0-T or 0-M? A: CPU ERROR : Replace the master PC board..
  
  
• Q: What is a Fanuc 940 Alarm code on a 0-T or 0-M? A: PC BOARD INSTALLATION ERROR : PC board installation is incorrect. Check the specification of the PC board..
  
  
• Q: What is a Fanuc 941 Alarm code on a 0-T or 0-M? A: MEMORY PC BOARD CONNECTION ERROR : The memory PC board is not connected securely..
  
  
• Q: What is a Fanuc 945 Alarm code on a 0-T or 0-M? A: SERIAL SPINDLE COMMUNICATION ERROR : The hardware configuration is incorrect for the serial spindle, or a communication alarm occurred..
  
  
• Q: What is a Fanuc 946 Alarm code on a 0-T or 0-M? A: SECOND SERIAL SPINDLE COMMUNICATION ERROR : Communication is impossible with the second serial spindle..
  
  
• Q: What is a Fanuc 950 Alarm code on a 0-T or 0-M? A: FUSE BLOWN ALARM : A fuse has blown.
  
  
• Q: What is a Fanuc 960 Alarm code on a 0-T or 0-M? A: SUB CPU ERROR : This is a sub-CPU error..
  
  
• Q: What is a Fanuc 998 Alarm code on a 0-T or 0-M? A: ROM PARITY : This is a ROM parity error..
  
  

[benklassne]

Nice Job with the Fanuc fault list!