16/18/21

Fanuc alarm: 407 - SERVO ALARM: EXCESS ERROR

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
407 - SERVO ALARM: EXCESS ERROR

Alarm Description

The difference in synchronous axis position deviation exceeded the set value.

Additional Suggestions & Alarm Clarification

Another words the axis was trying to get there but didn't or axis drifted from last position.

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Post troubleshooting recommendations for (Fanuc alarm: 407 - SERVO ALARM: EXCESS ERROR) error message below.

Fanuc alarm: 405 - SERVO ALARM: (ZERO POINT RETURN FAULT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
405 - SERVO ALARM: (ZERO POINT RETURN FAULT)

Alarm Description

Position control system fault. Due to an NC or servo system fault in the reference position return, there is the possibility that reference position return could not be executed correctly. Try again from the manual reference position return.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 405 - SERVO ALARM: (ZERO POINT RETURN FAULT)) error message below.

Fanuc alarm: 404 - SERVO ALARM: n-TH AXIS VRDY ON

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
404 - SERVO ALARM: n-TH AXIS VRDY ON

Alarm Description

Even though the n-th axis (axis 1-8) READY signal (MCON) went off, the servo amplifier READY signal (DRDY) is still on. Or, when the power was turned on, DRDY went on even though MCON was off. Check that the servo interface module and servo amp are connected.

Additional Suggestions & Alarm Clarification

None currently

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 404 - SERVO ALARM: n-TH AXIS VRDY ON) error message below.

Fanuc alarm: 403 - SERVO ALARM: CARD/SOFT MISMATCH

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
403 - SERVO ALARM: CARD/SOFT MISMATCH

Alarm Description

The combination of the axis control card and servo software is illegal. The possible causes are as follows: a A correct axis control card is not provided. a Correct servo software is not installed on flash memory.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 403 - SERVO ALARM: CARD/SOFT MISMATCH) error message below.

Fanuc alarm: 402 - SERVO ALARM: SV CARD NOT EXIST

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
402 - SERVO ALARM: SV CARD NOT EXIST

Alarm Description

The axis control card is not provided.

Additional Suggestions & Alarm Clarification

None currently

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 402 - SERVO ALARM: SV CARD NOT EXIST) error message below.

Fanuc alarm: 401 - SERVO ALARM: n-TH AXIS VRDY OFF

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
401 - SERVO ALARM: n-TH AXIS VRDY OFF

Alarm Description

The n-th axis (axis 1-8) servo amplifier READY signal (DRDY) went off. Refer to procedure for troubleshooting.

Additional Suggestions & Alarm Clarification

None currently

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 401 - SERVO ALARM: n-TH AXIS VRDY OFF) error message below.

Fanuc alarm: 400 - SERVO ALARM: n-TH AXIS OVERLOAD

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
400 - SERVO ALARM: n-TH AXIS OVERLOAD

Alarm Description

The n-th axis (axis 1-8) overload signal is on. Refer to diagnosis display
No. 201 for details.

Additional Suggestions & Alarm Clarification

None currently

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 400 - SERVO ALARM: n-TH AXIS OVERLOAD) error message below.

Fanuc alarm: 386 - n AXIS : DATA TRANS. ERROR (EXT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
386 - n AXIS : DATA TRANS. ERROR (EXT)

Alarm Description

A CRC or stop bit error occurred in the communication data being received from the separate detector.

Additional Suggestions & Alarm Clarification

EXT= External feedback coder used possibly a scale or separate encoder

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Post troubleshooting recommendations for (Fanuc alarm: 386 - n AXIS : DATA TRANS. ERROR (EXT)) error message below.

Fanuc alarm: 385 - n AXIS : SERIAL DATA ERROR (EXT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
385 - n AXIS : SERIAL DATA ERROR (EXT)

Alarm Description

Communication data from the separate detector cannot be received.

Additional Suggestions & Alarm Clarification

EXT= External feedback coder used possibly a scale or separate encoder

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 385 - n AXIS : SERIAL DATA ERROR (EXT)) error message below.

Fanuc alarm: 384 - n AXIS : SOFT PHASE ALARM (EXT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
384 - n AXIS : SOFT PHASE ALARM (EXT)

Alarm Description

The digital servo software detected invalid data in the separate detector.

Additional Suggestions & Alarm Clarification

EXT= External feedback coder used possibly a scale or separate encoder

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 384 - n AXIS : SOFT PHASE ALARM (EXT)) error message below.
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