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Error code: 0xF9

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Description :

• PF LOAD POSITION excess speed error.

Explanation :

• The PF motor rotates faster than expected during printing.

Possible causes :

• PF Encoder failure (contaminated/detached scale, encoder board failure).
• Motor driver failure (main board failure).
• Tooth skip of the PF Timing Belt.
• Improper tension of the PF Timing Belt.