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Fanuc Spindle Amplifier Alarm 20

FANUC Alarm Codes >> FANUC Spindle Amplifier Alarms >> Spindle Amplifier Alarm 20

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FANUC Spindle Amplifier Alarm Code 20

Models AffectedDescriptionTroubleshooting

FANUC 6055, 6059, 6060 digital spindle amplifiers
FANUC 6063, 6064 serial spindle amps
FANUC 6072, 6078, 6082, 6088, 6102 amps
FANUC 6111, 6112, 6116, 6141, 6142 amps

The offset voltage of the phase U (alarm code 19) or phase V (alarm code 20) current detection circuit is excessively high. A check is made when the power is turned on.

If this alarm is issued, replace the SPM. If this is issued immediately after the SPM control printed circuit board is replaced, check the plugging of the connectors (CN1, CN3, and CN4) between the power unit and SPM control printed circuit board.

 

Relevant 6055 digital spindle amplifiers to the 20 alarm:

Relevant 6059 digital spindle amplifiers to the 20 alarm:

Relevant 6060 digital spindle amplifiers to the 20 alarm:

Relevant 6063 serial spindle amplifiers to the 20 alarm:

Relevant 6064 serial spindle amplifiers to the 20 alarm:

Relevant 6078 alpha spindle amplifiers to the 20 alarm:

Relevant 6082 alpha spindle amplifiers to the 20 alarm:

Relevant 6088 alpha spindle amplifiers to the 20 alarm:

Relevant 6102 alpha spindle amplifiers to the 20 alarm:

Relevant 6111 spindle amplifiers to the 20 alarm:

Relevant 6112 spindle amplifiers to the 20 alarm:

Relevant 6116 spindle amplifiers to the 20 alarm:

Relevant 6141 spindle amplifiers to the 20 alarm:

Relevant 6142 spindle amplifiers to the 20 alarm:


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How Tri Star CNC Can Help with FANUC Alarm Code 20

Our servo error experts at Tri Star CNC can help you troubleshoot and provide solutions for your FANUC servo amp alarms. We offer FREE phone support with REAL humans, call 815-578-9145 and we’ll walk through the servo issue with you. If you need on-site support you can check out our field service network to find a service provider near you.

FANUC Parts Exchange, Repair, & Warranty

Send us your damaged FANUC parts, and our skilled technicians will check if they can be repaired. If they can't be fixed or you need a quick solution, you can order replacement parts from our exchange parts stock. All exchanged and repaired parts come with a 1-year warranty. Tri Star CNC covers the entire assembly repair, not just parts and labor.

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