Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
The rigid tapping command format is incorrect. Follow M29 Sxxxx format.
Possible Causes
- Rigid tapping program format error
- Spindle or feed speed parameter error
- Servo system fault during tapping
- Ladder diagram signal processing error
Troubleshooting Steps
- Step 1: Check the rigid tapping program format (M29 Sxxxx G84/G74)
Program follows correct format - Step 2: Verify the spindle speed and feed rate parameters
Speed and feed are within specification - Step 3: Check the servo system for excess error alarms
No servo excess error alarms present - Step 4: Adjust the rigid tapping parameters (P5310, P5350, etc.) as needed
Parameters set to correct values
How to Reset
To reset rigid tapping alarm PS0203: 1) Correct the program format or parameters. 2) Press RESET. 3) If servo-related, clear the servo alarm first. 4) Adjust rigid tapping parameters as needed. Caution: Rigid tapping requires precise spindle-feed synchronization; parameter adjustments should be done carefully.
Frequently Asked Questions
- Q: What does PS0203 mean on Fanuc FANUC 0/0i/30i Series?
The rigid tapping command format is incorrect. Follow M29 Sxxxx format.
- Q: How do I fix PS0203 on Fanuc?
Follow the troubleshooting steps: Check the rigid tapping program format (M29 Sxxxx G84/G74)
Source: FANUC Rigid Tapping Alarm Codes (baijiahao.baidu.com)
Category: CNC