Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
A TH parity error was detected during tape or program input, indicating an invalid character in the data.
Possible Causes
- The input tape or program contains an invalid character.
- Communication noise corrupted the input data.
Troubleshooting Steps
- Step 1: Check the input tape or program for invalid characters.
Invalid characters identified and corrected. - Step 2: Re-input the corrected program data.
Program input completes without parity error.
How to Reset
Correct the invalid character and re-input the data to clear the alarm.
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Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC
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