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General • Inspections

Y-Axis Encoder Fault 2A.4

This procedure provides the steps required to access and clean the Y-Axis encoder sensor when a 2A.4 fault occurs. Proper cleaning of the encoder helps restore accurate position feedback, prevent recurring faults, and ensure reliable machine operation. This procedure should be performed as needed when the fault is present.
The Gund Co. ALB
01/14/2026

Y-Axis Encoder Fault 2A.4

Procedure to access and clean encoder sensor.

    Tools Required

    If moving by hand get a second person to help push the carriage.

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    Reinstall parts and test

Source: The Gund Co. ALB (Community Member)

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