Fanuc

Fanuc alarm: 443 - n AXIS : CNV. COOLING FAN FAILURE

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
443 - n AXIS : CNV. COOLING FAN FAILURE

Alarm Description

1) PSM: The internal stirring fan failed. 2) PSMR: The internal stirring fan failed. 3) b series SVU: The internal stirring fan failed.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 443 - n AXIS : CNV. COOLING FAN FAILURE) error message below.

Fanuc alarm: 442 - n AXIS : CNV. CHARGE FAULT/INV. DB

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
442 - n AXIS : CNV. CHARGE FAULT/INV. DB

Alarm Description

1) PSM: The spare discharge circuit of the DC link is abnormal. 2) PSMR: The spare discharge circuit of the DC link is abnormal. 3) a series SVU: The dynamic brake circuit is abnormal.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 442 - n AXIS : CNV. CHARGE FAULT/INV. DB) error message below.

Fanuc alarm: 441 - n AXIS : ABNORMAL CURRENT OFFSET

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
441 - n AXIS : ABNORMAL CURRENT OFFSET

Alarm Description

The digital servo software detected an abnormality in the motor current detection circuit.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 441 - n AXIS : ABNORMAL CURRENT OFFSET) error message below.

Fanuc alarm: 440 - n AXIS : CNV. EX DECELERATION POW.

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
440 - n AXIS : CNV. EX DECELERATION POW.

Alarm Description

1) PSMR: The regenerative discharge amount is too large. 2) a series SVU: The regenerative discharge amount is too large. Alternatively, the regenerative discharge circuit is abnormal.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 440 - n AXIS : CNV. EX DECELERATION POW.) error message below.

Fanuc alarm: 439 - n AXIS : CNV. OVERVOLT POWER

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
439 - n AXIS : CNV. OVERVOLT POWER

Alarm Description

1) PSM: The DC link voltage is too high. 2) PSMR: The DC link voltage is too high. 3) a series SVU: The C link voltage is too high. 4) b series SVU: The link voltage is too high.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 439 - n AXIS : CNV. OVERVOLT POWER) error message below.

Fanuc alarm: 438 - n AXIS : INV. ABNORMAL CURRENT

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
438 - n AXIS : INV. ABNORMAL CURRENT

Alarm Description

1) SVM: The motor current is too high. 2) a series SVU: The motor current is too high. 3) b series SVU: The motor current is too high.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 438 - n AXIS : INV. ABNORMAL CURRENT) error message below.

Fanuc alarm: 437 - n AXIS : CNV. OVERCURRENT POWER

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
437 - n AXIS : CNV. OVERCURRENT POWER

Alarm Description

PSM: Overcurrent flowed into the input circuit.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 437 - n AXIS : CNV. OVERCURRENT POWER) error message below.

Fanuc alarm: 436 - n AXIS : SOFTTHERMAL (OVC)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
436 - n AXIS : SOFTTHERMAL (OVC)

Alarm Description

The digital servo software detected the soft thermal state (OVC).

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 436 - n AXIS : SOFTTHERMAL (OVC)) error message below.

Fanuc alarm: 435 - n AXIS : INV. LOW VOLT DC LINK

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
435 - n AXIS : INV. LOW VOLT DC LINK

Alarm Description

SVM: The DC link voltage has dropped.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 435 - n AXIS : INV. LOW VOLT DC LINK) error message below.

Fanuc alarm: 434 - n AXIS : INV. LOW VOLT CONTROL

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
434 - n AXIS : INV. LOW VOLT CONTROL

Alarm Description

SVM: The control power supply voltage has dropped.

Additional Suggestions & Alarm Clarification

None currently

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Post troubleshooting recommendations for (Fanuc alarm: 434 - n AXIS : INV. LOW VOLT CONTROL) error message below.
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