FANUC systems offer an official All Data Backup function, allowing you to output the following data at once to a CF card or USB storage:
- Text Data: Parameters and programs in text format
- RAM Data
- User Files: Files created by users, such as PMC ladder programs
Backup Steps (One-Click Backup)
1. Select MDL mode(by setting parameters)
- PRM 0138#0=1 (add path number to the text file extension in multipath system)

- PRM 0313#0=1 (enable NC data output function)

- PRM 0020=4 (CF card) or 17 (USB)

2. Select EDIT mode and output data
- System Options → All I/O → All Data → Output → Execute




3. After text data output is complete, the information bar prompts Power Off and Restart


4. Upon restart, the system automatically back up the package data and option information.

5. After the backup is completed, the following files will generally be generated on the CF card or USB:
TOOLOFST.TXT ALL-PROG.TXT CNCIDNUM.TXT CNC-PARA.TXT EXT_WKZ.TXT MACRO.TXT MAINTEMC.TXT MAINTENA.TXT MAINTINF.TXT OHIS_SIG.TXT OPRM_INF.000 OPRT_HIS.TXT PITCH.TXT PMC1_PRM.TXT SV_SP_ID.TXT SYS_ALM.TXT SYS-CONF.TXT RAM_BAK.001 PMC1.000
Other Backup Method
If you prefer not to modify parameters or not be affected by alarm issues, you can also perform parameter backup via the Boot interface.
- Related link: Boot Interface Parameter Backup Guide
For any questions, feel free to contact us.
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Here are some related technical resources you may also find helpful:
- How to backup SRAM file
- How to solve FANUC 5523/5524 alarm
- Common FANUC CNC Alarms Classification
- FANUC Common Over Travel Alarm List
- FANUC G/ M Code for a Machining Center
- FANUC G/ M Code for lathe
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Common FANUC Alarms
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G & M Code Reference
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Technical Guides (Backup, Parameters, Settings)
- Repair Cases & Troubleshooting Examples
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