Fagor alarm 24501: Defective UM supply voltage
CNC 8058/8060/8065/8070 CNCelite EtherCAT error (Quercus drives) · Fagor 8058
What it means
An EtherCAT node transmitted an emergency object reporting that one of its supply rails (UM) is out of tolerance. The node keeps running degraded or stops depending on design; the hexadecimal emergency value accompanying the alarm helps the OEM pinpoint the rail.
Likely causes
- 24 V distribution overloaded or sagging
- node-internal DC/DC converter aging/failure
- wiring drop too high due to long undersized feed
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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24 VDC cabinet power supply
drive · Common cause
Need the part urgently?
Send us alarm 24501 with your machine details — typical RFQ turnaround is 24–48h.