16/18/21

Fanuc alarm: 447 - n AXIS : HARD DISCONNECT (EXT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
447 - n AXIS : HARD DISCONNECT (EXT)

Alarm Description

A broken wire in the separate detector was detected by hardware.

Additional Suggestions & Alarm Clarification

Check all cable connections to encoder and drives. Disconnecting cables may loose axes home position. Check for coolant in plugs and encoder area.

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 447 - n AXIS : HARD DISCONNECT (EXT)) error message below.

Fanuc alarm: 446 - n AXIS : HARD DISCONNECT ALARM

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
446 - n AXIS : HARD DISCONNECT ALARM

Alarm Description

A broken wire in the built-in pulse coder was detected by hardware.

Additional Suggestions & Alarm Clarification

Check all cable connections to encoder and drives. Disconnecting cables may loose axes home position. Check for coolant in plugs and encoder area.

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 446 - n AXIS : HARD DISCONNECT ALARM) error message below.

Fanuc alarm: 445 - n AXIS : SOFT DISCONNECT ALARM

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
445 - n AXIS : SOFT DISCONNECT ALARM

Alarm Description

The digital servo software detected a broken wire in the pulse coder.

Additional Suggestions & Alarm Clarification

Check all cable connections to encoder and drives. Disconnecting cables may loose axes home position. Check for coolant in plugs and encoder area.

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 445 - n AXIS : SOFT DISCONNECT ALARM) error message below.

Fanuc alarm: 444 - n AXIS : INV. COOLING FAN FAILURE

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

Alarm Description

SVM: The internal stirring fan failed.

Additional Suggestions & Alarm Clarification

None currently

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 444 - n AXIS : INV. COOLING FAN FAILURE) error message below.

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

Help Others
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

Help Others
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

Help Others
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

Help Others
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

Help Others
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

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