Fanuc Manual Guide Milling and Turning
25 fault codes documented
Machining Area Unavailable (Tool Too Large)
This P/S alarm indicates that there is no area available for machining. The root cause is that the tool specified in the machining program is excessively large for the designated machining area, preventing the operation from starting or completing correctly.
Number of Cuts Exceeded Limit
This P/S alarm indicates that the number of cutting operations specified in the program has exceeded the allowable limit. This can lead to excessive machining time or an attempt to perform more cuts than the system or part geometry can support.
Invalid Machining Start Point
This P/S alarm indicates that the machining start point defined in the program is invalid. This could be due to a coordinate outside the work envelope, an unreachable point, or a point that interferes with existing geometry, preventing the machining cycle from initiating correctly.
Invalid Machining Area
This P/S alarm indicates that the machining area specified in the program is invalid. This issue typically arises from incorrect definitions of the part figure or blank figure within the machining profile, leading to an ambiguous or impossible machining boundary.
Invalid Cutting Conditions
This P/S alarm indicates that the cutting conditions specified in the machining program are invalid. This often involves parameters like feedrate or spindle speed that are outside acceptable ranges or are incompatible with the current operation, preventing safe and effective machining.
Finishing Not Possible
This P/S alarm indicates that the specified conditions prevent the successful completion of a finishing operation. This implies that the finishing program contains parameters or commands that are incompatible or insufficient for the desired outcome, risking an incomplete or incorrect finish.
Machining Interference Occurred
This P/S alarm indicates that an interference has occurred during machining, such as the tool path colliding with the opposite machining area or an existing feature. A common cause is a cutter radius being too large for the defined machining area, posing a risk of tool breakage or part damage.
No Machining Cycle Found (Figure Block Only)
This P/S alarm indicates that the control system could not find a valid machining cycle to execute. This occurs when the machining program specifies only a figure block without the necessary accompanying machining type block, making the intended operation undefined.
No Machining Cycle Found (Unavailable Cycle)
This P/S alarm indicates that an unavailable machining cycle has been specified in the program. This typically suggests that the necessary software options for this particular machining cycle have not been added or activated on the machine, preventing its execution.
G-Code Combination Invalid
This P/S alarm indicates that G codes specified in the program cannot be combined as programmed. Specifically, a figure block has been paired with a machining type block that is not compatible or available for that figure type, leading to an invalid operation sequence.
Invalid Arbitrary Figure
This P/S alarm indicates that the arbitrary figure specified within the machining program is invalid. This could be due to incorrect geometry, missing data, or parameters that define a figure that cannot be processed by the control system.
Invalid Figure Data
This P/S alarm indicates that the figure data specified in the machining program is invalid. This refers to the specific numerical or geometrical data defining a shape or profile, which might be incorrect, incomplete, or outside permissible bounds for the control system.
NO M-CODE BEFORE TAP CYCL
This P/S alarm occurs when a parameter for the M code associated with either a counter tapping command or a normal tapping command is unset (zero) before the tapping cycle begins. This prevents the control from outputting the necessary M code, which is critical for spindle rotation or other pre-tapping operations.
Machining Area Unavailable (Tool Too Large)
This MC alarm (specific to Series 30i) indicates that no machining area can be utilized. The issue stems from the tool specified in the machining program being too large for the designated machining area, making the operation impossible.
Number of Cuts Exceeded Limit
This MC alarm (specific to Series 30i) indicates that the number of cutting operations specified in the program has exceeded the allowable limit. This can lead to excessive machining time or an attempt to perform more cuts than the system or part geometry can support.
Invalid Machining Start Point
This MC alarm (specific to Series 30i) indicates that the machining start point defined in the program is invalid. This could be due to a coordinate outside the work envelope, an unreachable point, or a point that interferes with existing geometry, preventing the machining cycle from initiating correctly.
Invalid Machining Area
This MC alarm (specific to Series 30i) indicates that the machining area specified in the program is invalid. This issue typically arises from incorrect definitions of the part figure or blank figure within the machining profile, leading to an ambiguous or impossible machining boundary.
Invalid Cutting Conditions
This MC alarm (specific to Series 30i) indicates that the cutting conditions specified in the machining program are invalid. This often involves parameters like feedrate or spindle speed that are outside acceptable ranges or are incompatible with the current operation, preventing safe and effective machining.
Finishing Not Possible
This MC alarm (specific to Series 30i) indicates that the specified conditions prevent the successful completion of a finishing operation. This implies that the finishing program contains parameters or commands that are incompatible or insufficient for the desired outcome, risking an incomplete or incorrect finish.
Machining Interference Occurred
This MC alarm (specific to Series 30i) indicates that an interference has occurred during machining, such as the tool path colliding with the opposite machining area or an existing feature. A common cause is a cutter radius being too large for the defined machining area, posing a risk of tool breakage or part damage.
No Machining Cycle Found (Figure Block Only)
This MC alarm (specific to Series 30i) indicates that the control system could not find a valid machining cycle to execute. This occurs when the machining program specifies only a figure block without the necessary accompanying machining type block, making the intended operation undefined.
No Machining Cycle Found (Unavailable Cycle)
This MC alarm (specific to Series 30i) indicates that an unavailable machining cycle has been specified in the program. This typically suggests that the necessary software options for this particular machining cycle have not been added or activated on the machine, preventing its execution.
G-Code Combination Invalid
This MC alarm (specific to Series 30i) indicates that G codes specified in the program cannot be combined as programmed. Specifically, a figure block has been paired with a machining type block that is not compatible or available for that figure type, leading to an invalid operation sequence.
Invalid Arbitrary Figure
This MC alarm (specific to Series 30i) indicates that the arbitrary figure specified within the machining program is invalid. This could be due to incorrect geometry, missing data, or parameters that define a figure that cannot be processed by the control system.
Invalid Figure Data
This MC alarm (specific to Series 30i) indicates that the figure data specified in the machining program is invalid. This refers to the specific numerical or geometrical data defining a shape or profile, which might be incorrect, incomplete, or outside permissible bounds for the control system.