FANUC machining centers have four command groups for programming the same profile again rotated, enlarged or reduced, mirrored or arranged on a circle: G68/G69 coordinate … Read more
A FANUC-controlled CNC machine has two separate battery groups, and work stops when either one dies: the memory backup battery powers the SRAM/CMOS memory that … Read more
On a FANUC 0i the axis does not move, JOG or the handwheel does nothing, or Cycle Start does not start the program: step-by-step diagnosis with the status line, DGN 000-015 and interlock signals.
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How to enter the BOOT screen on a FANUC 0i, back up parameters, offsets and programs with SRAM DATA BACKUP, restore from a memory card, save the PMC ladder and read error messages.
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What is a custom macro, and how does it differ from a subprogram? A subprogram (M98) repeats the same moves. A custom macro lets the … Read more
Who is this list for? FANUC alarm lists run to thousands of lines and most of them are the service engineer’s problem: a board fault, … Read more
What do G codes and M codes actually do on a FANUC? An NC program contains two different families of command. G codes (preparatory function) … Read more
The FANUC 21i series (21i-TA/TB for lathes, the 210i/210is variants and its close relative the 18i) is a very common control family on mid-range machines. … Read more
The FANUC 0i series (0i-A/B/C and 0i-Mate) is one of the most common FANUC control families on shop floors today. Its alarm logic largely follows … Read more
When a red alarm appears on a FANUC control screen, the machine stops and the operator’s first question is always the same: what does this … Read more