16/18/21

Fanuc alarm: 363 - n AXIS : ABNORMAL CLOCK (INT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
363 - n AXIS : ABNORMAL CLOCK (INT)

Alarm Description

A clock error occurred in the built-in pulse coder.

Additional Suggestions & Alarm Clarification

Most likely the pulse coder- replace it

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Post troubleshooting recommendations for (Fanuc alarm: 363 - n AXIS : ABNORMAL CLOCK (INT)) error message below.

Fanuc alarm: 362 - n AXIS : ABNORMAL REV.DATA (INT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
362 - n AXIS : ABNORMAL REV.DATA (INT)

Alarm Description

A rotation speed count error occurred in the built-in pulse coder.

Additional Suggestions & Alarm Clarification

Most likely the pulse coder- replace it

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Post troubleshooting recommendations for (Fanuc alarm: 362 - n AXIS : ABNORMAL REV.DATA (INT)) error message below.

Fanuc alarm: 361 - n AXIS : ABNORMAL PHASE DATA (INT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
361 - n AXIS : ABNORMAL PHASE DATA (INT)

Alarm Description

A phase data error occurred in the built-in pulse coder.

Additional Suggestions & Alarm Clarification

Most likely the pulse coder- replace it

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Post troubleshooting recommendations for (Fanuc alarm: 361 - n AXIS : ABNORMAL PHASE DATA (INT)) error message below.

Fanuc alarm: 360 - n AXIS : ABNORMAL CHECKSUM (INT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
360 - n AXIS : ABNORMAL CHECKSUM (INT)

Alarm Description

A checksum error occurred in the built-in pulse coder.

Additional Suggestions & Alarm Clarification

Most likely the pulse coder- replace it

Help Others
Post troubleshooting recommendations for (Fanuc alarm: 360 - n AXIS : ABNORMAL CHECKSUM (INT)) error message below.

Fanuc alarm: 351 - SPC ALARM: n AXIS COMMUNICATION

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
351 - SPC ALARM: n AXIS COMMUNICATION

Alarm Description

n axis (axis 1-8) serial pulse coder communication error (data transmission
fault)
Refer to diagnosis display No. 203 for details.

Additional Suggestions & Alarm Clarification

Possible problems based on which bit is on in diagnostic 203. #7 (DTE) : Data error has occurred.#5 (STB) : Stop bit error has occurred. #6 (CRC) : CRC error has occurred.

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Post troubleshooting recommendations for (Fanuc alarm: 351 - SPC ALARM: n AXIS COMMUNICATION) error message below.

Fanuc alarm: 350 - SPC ALARM: n AXIS PULSE CODER

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, , 0i
350 - SPC ALARM: n AXIS PULSE CODER

Alarm Description

The n axis (axis 1-8) pulse coder has a fault. Refer to diagnosis display
No. 202 and No. 204 for details.

Additional Suggestions & Alarm Clarification

Possible problems based on which bit is on in diagnostic 202.#0 (SPH) : Soft phase data trouble alarm has occurred. #1 (CKA) : Clock alarm has occurred. #2 (BZA) : Battery zero alarm has occurred.#3 (PCA) : Speed count trouble alarm has occurred. #4 (PHA) : Phase data trouble alarm has occurred. #5 (BLA) : Battery low alarm has occurred. #6 (CSA) : Check sum alarm has occurred.

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Post troubleshooting recommendations for (Fanuc alarm: 350 - SPC ALARM: n AXIS PULSE CODER) error message below.

Fanuc alarm: 309 - APC ALARM: n AXIS ZRN IMPOSSIBL

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, 0/00/0-mate, 0i
309 - APC ALARM: n AXIS ZRN IMPOSSIBL

Alarm Description

Return to the origin has been attempted without first rotating the motor one or more times. Before returning to the origin, rotate the motor one or more times then turn off the power.

Additional Suggestions & Alarm Clarification

Must move the axis at least one revolution of the ballscrew or at least 6"

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Post troubleshooting recommendations for (Fanuc alarm: 309 - APC ALARM: n AXIS ZRN IMPOSSIBL) error message below.

Fanuc alarm: 308 - APC alarm: nth-axis battery low 2

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, 0/00/0-mate, 0i
308 - APC alarm: nth-axis battery low 2

Alarm Description

nth-axis (n=1-8) APC battery voltage has reached a level where the battery must be renewed (including when power is OFF). APC alarm .Replace battery.

Additional Suggestions & Alarm Clarification

First replace the batteries if they drain quickly you must determine which pulse coder or cable is shorted and drawing the battery down. (APC)=Absolute pulse coder

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Post troubleshooting recommendations for (Fanuc alarm: 308 - APC alarm: nth-axis battery low 2) error message below.

Fanuc alarm: 307 - APC alarm: nth-axis battery low 1

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, 0/00/0-mate, 0i
307 - APC alarm: nth-axis battery low 1

Alarm Description

nth-axis (n=1-8) axis APC battery voltage reaches a level where the battery must be renewed. APC alarm. Replace the battery.

Additional Suggestions & Alarm Clarification

First replace the batteries if they drain quickly you must determine which pulse coder or cable is shorted and drawing the battery down. (APC)=Absolute pulse coder

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Post troubleshooting recommendations for (Fanuc alarm: 307 - APC alarm: nth-axis battery low 1) error message below.

Fanuc alarm: 306 - APC alarm: nth-axis battery voltage 0

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, 0/00/0-mate, 0i
306 - APC alarm: nth-axis battery voltage 0

Alarm Description

nth-axis (n=1-8) APC battery voltage has decreased to a low level so that the data cannot be held. APC alarm. Battery or cable may be faulty.

Additional Suggestions & Alarm Clarification

1. First replace the batteries if they drain quickly you must determine which pulse coder or cable is shorted and drawing the battery down. (APC)=Absolute pulse coder. 2. Occurs immediately after power on when a cable or encoder was disconnected from the battery. Power down and up again to clear battery voltage 0 alarm

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