Fanuc alarm 06
αi PSM · Fanuc αi PSM
What it means
Control power supply voltage decreased.
Likely causes
- Incoming AC input voltage below spec
- Sagging supply during high-load start
- Internal control SMPS failure
Triage note: Verify supply voltage within tolerance first; usually supply-side, not module failure.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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A06B-6087-H137
Power Supply Module αi PSM · Check if others ruled out
Need the part urgently?
Send us alarm 06 with your machine details — typical RFQ turnaround is 24–48h.