Fanuc S Series AC Spindle Alarms and Error Codes

These alarm and error codes relate to the A06B-6059 series.

Fanuc S Series AC Spindle Alarms. Please contact us if you need testing, a repair or an exchange part. For further information on please visit our dedicated AC Spindle Unit S Series

Alarm CodeType
Description of Alarm/Error
1 Motor overheat This lamp lights when internal temperature of motor is higher than the specified value.
2 Excessive deviation of speed This lamp lights when the motor speed is largest deviated from the command speed.
3 +24 V fuse is blown 24+ V Fuse of the control power is blown
4 Open phase of input powerA phase of 3-phase input power is open
6 Over speed detection (analog detection) This lamp lights when the motor exceeds 115% of the rated speed.
7
Over speed detection (digital detection) This lamp lights when the motor exceeds 115% of the rated speed.
8Over Voltage Voltage extremely excesses the rated voltage.
9 Overheat of radiator Temperature of radator such as semiconductor is extremely high.
10 Low input power  voltage Detects lower voltage of input power.
11 Over voltage of DC Link Detects lower voltage of input power.
12 Over current of DC Link Detects lower voltage of input power.
13Defective Arithmetic circuit Abnormal transmission between CPU and peripherals.
14 Defective ROM Detects defective ROM.
15 Defective optional circuit Detects defective optional circuit and erroneous connection to optional circuit.
16-23 Defective arithmetic circuit and peripheral circuit Defective arithmetic circuit and peripheral circuit.
No Indication Defective ROM