Fanuc

Fanuc alarm: OT109 - POWER SEMICONDUCTOR OVERLOAD

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT109 - POWER SEMICONDUCTOR OVERLOAD
Alarm Description

Power semiconductor is overheated.

Additional Suggestions & Alarm Clarification

None currently

Help Others
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Fanuc alarm: OT108 - VOLTAGE (+24 V) TOO HIGH

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT108 - VOLTAGE (+24 V) TOO HIGH
Alarm Description

24 V voltage of the velocity control unit of the spindle motor is higher than specified.

Additional Suggestions & Alarm Clarification

Check incoming power and transformer taps to start with.

Help Others
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Fanuc alarm: OT107 - EXCESS VELOCITY (DIGITAL)

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT107 - EXCESS VELOCITY (DIGITAL)
Alarm Description

Spindle motor speed exceeded the maximum rating. (Digital detection)

Additional Suggestions & Alarm Clarification

None currently

Help Others
Any additional suggestions or recommendations on the Fanuc alarm: OT107 - EXCESS VELOCITY (DIGITAL) message please post comments below.

Fanuc alarm: OT106 - EXCESS VELOCITY (ANALOG)

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT106 - EXCESS VELOCITY (ANALOG)
Alarm Description

Spindle motor speed exceeded the maximum rating. (Analog detection)

Additional Suggestions & Alarm Clarification

None currently

Help Others
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Fanuc alarm: OT105 - FUSE AF2 OR AF3 BLEW

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT105 - FUSE AF2 OR AF3 BLEW
Alarm Description

Fuse AF2 or AF3 of the velocity control unit of the spindle motor was blown out.

Additional Suggestions & Alarm Clarification

Replace fuse first or send unti out for repair. Could also be cable issues or possible short.

Help Others
Any additional suggestions or recommendations on the Fanuc alarm: OT105 - FUSE AF2 OR AF3 BLEW message please post comments below.

Fanuc alarm: OT104 - FUSE F1, F2, OR F3 BLEW

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT104 - FUSE F1, F2, OR F3 BLEW
Alarm Description

Fuse F1, F2 or F3 of the velocity control unit of the spindle motor was blown out.

Additional Suggestions & Alarm Clarification

Replace fuse first or send unti out for repair. Could also be cable issues or possible short.

Help Others
Any additional suggestions or recommendations on the Fanuc alarm: OT104 - FUSE F1, F2, OR F3 BLEW message please post comments below.

Fanuc alarm: OT103 - FUSE F7 BLEW

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT103 - FUSE F7 BLEW
Alarm Description

Fuse F7 of the velocity control unit of the spindle motor was blown out.

Additional Suggestions & Alarm Clarification

Replace fuse first or send unti out for repair. Could also be cable issues or possible short.

Help Others
Any additional suggestions or recommendations on the Fanuc alarm: OT103 - FUSE F7 BLEW message please post comments below.

Fanuc alarm: OT102 - EXCESS VELOCITY ERROR

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT102 - EXCESS VELOCITY ERROR
Alarm Description

A deviation is excessive between the command velocity and the actual velocity of the spindle motor. (15-20%)

Additional Suggestions & Alarm Clarification

Spindle RPM changed to slow or to fast. It did not correspond with where the control thought it was. Check feedback cables to motor or sensor.

Help Others
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Fanuc alarm: OT101 - SPINDLE MOTOR OVERHEAT

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT101 - SPINDLE MOTOR OVERHEAT
Alarm Description

Spindle motor is overheated.

Additional Suggestions & Alarm Clarification

Check Fans on the spindle motor as well as spindle drive if equipped. Also check electical cabinet fans to make sure they are running properly.

Help Others
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Fanuc alarm: OT100 - SPINDLE ALARM

CNC Machine Control Manufacturer
Fanuc
Control Model
10/11/12
OT100 - SPINDLE ALARM
Alarm Description

Spindle motor alarm signal turned on. Code showing a cause of alarm is 0.

Additional Suggestions & Alarm Clarification

None currently

Help Others
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