LINE PROTECTION TRIP Siemens — Loss of One MV Feeder
At a glance
- Severity
- DEGRADED
- Domain
- MV_SUBSTATION_SYSTEM
- Reference standard
- CEI 0-16
What it means
Loss of one MV feeder: upstream redundancy is reduced. Service continues, but any further event on the remaining feeder becomes critical.
Probable causes
- Cable or termination fault on the feeder
- Line protection trip
- Utility switching on the feeder
Where to start
Confirm which feeder is out and verify the whole load is served by the remaining one without transformer overload.
Full guided diagnosis in the app
The diagnostic tree for this fault has 3 guided steps with measurements, checks and resolutions. You'll find it in DataCIQ, one of the five IndexOS apps: free, works offline.
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The same fault on other brands
More Siemens codes
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- THERMOGRAPHY ALARM — Hot Connection / Thermal Anomaly
- 0xE900 / 0xE901 — IO-Link communication lost (device not responding)
- 6EP1333-4BA00 — Unstable PLC power supply — cyclic restarts
- 6ES7521-1BL00-0AB0 — Digital input module — input not reading (stuck at 0)
- 6ES7522-1BL01-0AB0 — Digital output module — output not activating
- 6ES7531-7KF00-0AB0 — Analog input module — full-scale reading or error
- ANSI 50/51 — Overcurrent Protection 50/51 Trip