Here is a comprehensive list of the defintions for Fanuc Alpha Spindle Drives. Please leave any questions regarding fanuc alpha spindle drive alarm codes in the comments section at the bottom of the page and we will endevour to assist you.
| Alarm Code | Fault |
|---|---|
| — | Not Ready |
| 00 | Control Ready |
| 01 | Motor Overheat |
| 02 | Excess Speed Deviation |
| 03 | Fuse on DC Link Blown |
| 04 | Input Fuse Blown |
| 05 | Control Power Supply Fuse Blown |
| 06 | Overspeed (Analog) (Temperature Sensor Disconnected) |
| 07 | Overspeed (Digital) |
| 08 | High 24v Input Voltage |
| 09 | Overheat Power Semiconductors |
| 10 | Low 15v Input Voltage |
| 11 | DC Link High Voltage |
| 12 | DC Link Overcurrent |
| 13 | Data Memory Fault CPU |
| 14 | Defective ROM |
| 15 | Defective Optional Circuit |
| 16 | NVRAM Fault |
| 17 | NVRAM Checksum Fault |
| 18 | ROM Checksum Fault |
| 19 | IU Offset Current Alarm |
| 20 | IV Offset Current Alarm |
| 21 | VCMD Offset Alarm (Position Sensor Polarity Setting Incorrect) |
| 22 | TSA Offset Alarm |
| 23 | ER Offset Alarm |
| 24 | Serial Transfer Data Error |
| 25 | Serial Transfer Stop |
| 26 | C Velocity Detector Disconnected |
| 27 | Position Coder Disconnected |
| 28 | C Position Detector Disconnected |
| 29 | Short Period Overload |
| 30 | Overcurrent Power Circuit |
| 31 | Motor Lock or V Signal Lost |
| 32 | Serial communication LSI RAM Error |
| 33 | DC Link Pre Charge Failure |
| 34 | Parameter Setting Error |
| 35 | Gear Ratio Parameter Error |
| 36 | Error Counter Overflow |
| 37 | Speed Detector Parameter Error |
| 39 | One Rotation Cs Signal Error |
| 40 | Cs One Rotation Signal Detection Error |
| 41 | Position Coder One Rotation Signal Detection Error |
| 42 | One Rotation Position Coder Detected Error |
| 43 | Disconnected PC for DIF. SP. MOD. |
| 44 | Control Circuit AD Error |
| 46 | Thread Cutting One Rotation Position Coder Alarm |
| 47 | Position Coder Signal Abnormal |
| 49 | High Conversion DIF. SPEED |
| 50 | Excessive speed command calculation value during spindle synchronization |
| 51 | Low Volt DC Link |
| 52 | ITP Signal Abnormal 1 |
| 53 | ITP Signal Abnormal 2 |
| 54 | Current Overload Alarm |
| 55 | Abnormal Switching Status of Power Leads |
| 56 | Inner Fanuc Cooling Fan Stopped |
| 57 | Excessive Deceleration Power |
| 58 | Overload in Fanuc Power Supply Module |
| 59 | Cooling Fan Stopped in PSM |
| 66 | Communication alarm between spindle and amplifier |
| 69 | Safety speed exceeded |
| 70 | Abnormal axis data |
| 71 | Abnormal safety parameter |
| 72 | Motor speed mismatch |
| 73 | Motor sensor disconnected |
| 74 | CPU test alarm |
| 75 | CRC test alarm |
| 76 | Safety function not executed |
| 77 | Axis number mismatch |
| 78 | Safety parameter mismatch |
| 79 | Abnormal initial test operation |
| 81 | Motor sensor one-rotation signal detection error |
| 82 | Motor sensor one-rotation signal not detected |
| 83 | Motor sensor signal error |
| 84 | Spindle sensor disconnected |
| 85 | Spindle sensor one-rotation signal detection error |
| 86 | Spindle sensor one-rotation signal not detected |
| 87 | Spindle sensor signal error |
| 88 | Cooling fan stopped of the radiator |
| A0 | Program ROM error |
| A1 | Program ROM error |
| A2 | Program ROM error |
| b0 | Communication error between amplifier and module |
| b1 | 6 Converter control power supply low voltage |
| b2 | 8 Converter excessive regenerative power |
| b3 | A Converter cooling fan stopped of the radiator |
| C0 | Communication data alarm |
| C1 | Communication data alarm |
| C2 | Communication data alarm |
| C3 | Spindle switching circuit error |
