AC Serial Spindle Unit Alarms
Fanuc AC Serial Spindle Alarms and Error Codes.
These Alarm and Error Codes cover A06B-6062, A06B-6063, A06B-6064.
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| Alarm Code | Type |
Description of Alarm/ Faults |
| A display | Program ROM abnormality | Detects that control program is not started ( due to program ROM not installed) |
| 01 | Motor Overheat | Detects internal motor temperature exceeding specified temperature. |
| 02 | Excessive Speed deviation | Detects motor speed exceeding specified speed excessively. |
| 03 | DC Link section fuse blown | Detects that fuse F4 in DC link section is blown ( models 30S and 40S). |
| 04 | Input fuse blown
Input power open phase |
Detects blown fuse (F1 to F3), open phase or momentary failure of power (models 30S and 40S) |
| 05 | Control Power Supply Fuse Blown | Detects that control power supply fuse AF2 or AF3 is blown (models 30S and 40S) |
| 07 | Excessive Speed | Detects that motor rotation has exceeded 115% of its rated speed. |
| 08 | High input voltage | Detects that the switch us flipped to 200 VAC when input voltage is 230 VAC or higher. (models 30S and 40S) |
| 09 | Excessive load on main circuit section | Detects abnormal temperature rise of power transistor radiator. |
| 10 | Low input voltage | Detects drop in input power supply voltage. |
| 11 | Over-voltage in DC link section | Detects abnormally high direct current power supply voltage in power circuit section. |
| 12 | Over current in DC link Section | Detects flow of abnormally large current in direct current section of power circuit. |
| 13 | CPU internal data memory abnormality | Detects abnormality in CPU internal data memory. This check is made only when the power is turned on. |
| 15 | Spindle switch/output switch alarm | Detects incorrect switch sequence in spindle switch/output switch operation. |
| 16 | RAM abnormality | Detects abnormality in RAM for external data. This check is made only when power is turned on. |
| 18 | Program ROM sum check error | Detects program ROM data error. This check is made only when the power is turned on. |
| 19 | Excessive U Phase current detection circuit offset | Detects excessive U phase current detection circuit offset. This check is made only when the power is turned on. |
| 20 | Excessive U Phase current detection circuit offset | Detects excessive V phase current detection circuit offset. This check is made only when the power is turned on. |
| 24 | Serial transfer data error | Detects serial transfer error (such as NC power supplied turned off). |
| 25 | Serial data transfer stopped | Detects that serial data transfer has stopped. |
| 26 | Disconnection of speed detection signal for Cs contouring control | Detects abnormality in position coder signal (such as unconnected cable and parameter setting error). |
| 27 | Position coder signal disconnection | Detects abnormality in position coder signal ( such as unconnected cable and parameter setting error). |
| 28 | Disconnection of position detection signal for Cs contouring control | Detects abnormality in position detection signal for Cs contouring control ( such as unconnected cable and adjustment error) |
| 29 | Short time overload | Detects that overload has been continuously applied for some period of time. |
| 30 | Input circuit overcurrent | Detects overcurrent flowing in input circuit. |
| 31 | Speed detection signal disconnection motor restraint alarm | Detects that the motor cannot rotate at the specified speed( but rotates at very slow speed or has stopped) (This includes checking of speed detection signal cable) |
| 32 | Abnormality in RAM internal to LSI for serial data transfer | Detects abnormality in RAM internal to LSI for serial data transfer. This check is made only when the power is turned on. |
| 33 | Insufficient DC link section charging | Detects insufficient charging of direct current power supply voltage in power circuit section when magnetic contactor in amplifier is turned on. |
| 34 | Parameter data setting beyond allowable range of values | Detects parameter data set beyond allowable range of values |
| 35 | Excessive gear ratio data setting | Detects gear ratio data set beyond allowable range of values |
| 36 | Error counter overflow | Detects error counter overflow |
| 37 | Speed detector parameter setting error | Detects incorrect setting of parameter for number of speed detection pulses |
| 39 | Alarm for indicating failure in detecting 1 rotation signal for Cs contouring control | Detects 1 rotation signal detection failure in Cs contouring control |
| 40 | Alarm for indicating 1 rotation signal for Cs contouring control not detected | Detects that 1 rotation signal has not occurred in Cs contouring control |
| 41 | Alarm for indicating failure in detecting position coder 1 rotation signal | Detects failure in detecting position coder 1 rotation signal |
| 42 | Alarm for indicating position coder 1 rotation signal not detected | Detects that position coder 1 rotation signal has not occurred |
| 43 | Alarm for indicating disconnection of position coder signal for differential speed mode | Detects that the main spindle position coder signal used for differential speed mode is not connected yet ( or is disconnected) |
| 46 | Alarm for indicating failure in detecting position coder 1-rotation signal in thread cutting operation | Detects failure in detecting position coder 1 rotation signal in thread cutting operation |
| 47 | Position coder signal abnormality | Detects incorrect position coder signal count operation |
| 48 | Position coder 1 rotation signal abnormality | Detects that occurrence of position coder 1 rotation signal has stopped |
| 49 | The converted differential speed is too high | Detects that speed of other spindle converted to speed of local spindle has exceeded allowable limit in differential mode. |
| 50 | Excessive speed command calculation value in spindle synchronization control | Detects that speed command calculation value exceeded allowable range in spindle synchronization control. |
| 51 | Under-voltage at DC link section | Detects that DC power supply voltage of power circuit has dropped. |
| 52 | ITP signal abnormality I | Detects abnormality in synchronization signal (ITP signal) with CNC. |
| 53 | ITP signal abnormality II | Detects abnormality in synchronization signal (ITP signal) with CNC. |
| 54 | Overload current alarm | Detects that excessive current flowed in motor for long time. |
| 55 | Power line abnormality in spindle switching/output switching | Detects that switch request signal does not match power line status check signal. |