Siemens F30773

What the Fault Means

Fault: SI Motion P2: Test stop fail-safe digital output error

Likely causes

• A fault has occurred on processor 2 during the forced checking procedure (test stop) of the fail-safe digital output
• Fault value (r0949, interpret hexadecimal): RRRVWXYZ hex: R: Reserved
• V: Actual state of the DO channel concerned (see X) on processor 2 (corresponds to the states read back from the hardware, bit 0 = DO 0, bit 1 = DO 1, etc.)
• W: Required state of the DO channel concerned (see X, bit 0 = DO 0, bit 1 = DO 1, etc.)

Solution and Safe First Checks

1. Check the wiring of the fail-safe digital output (F-DO) and restart the test stop.

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

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