SPD REPLACEMENT Schneider Electric — SPD Cartridges Depleted
At a glance
- Severity
- WARNING
- Domain
- MV_SUBSTATION_SYSTEM
- Reference standard
- IEC 61643 / CEI 64-8
What it means
Depleted SPD cartridges leave no residual surge protection: the next atmospheric event goes straight to boards and power supplies.
Probable causes
- Cumulated atmospheric events without replacement
- Cartridges unchecked for several maintenance cycles
- End-of-life indicators unmonitored
Where to start
Check end-of-life indicators on all SPD cartridges (MV and LV) and the status of disconnectors.
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 Schneider Electric codes
- CURRENT IMBALANCE — Phase Imbalance Upstream
- OVERCURRENT TRIP — LV Main Breaker Trip
- PROTECTION TRIP 50/51 — Total MV Supply Loss
- THERMAL TAG — Hot Connection / Thermal Anomaly
- 50/51 — Overcurrent Protection 50/51 Trip
- 51N — Earth Fault Protection 51N Trip
- ACTUATOR FAULT — Control Valve Stuck
- Attuatore non risponde — Dimmer Stuck / Dimmer Not Responding