Schneider Electric error codes

33 documented Schneider Electric error codes, with meaning, probable causes and a guided diagnostic tree in the app.

BASIQ

• Attuatore non risponde — Dimmer Stuck / Dimmer Not Responding
• Bus KNX in errore — KNX/DALI Bus Fault / Communication Error
• Dispositivo BACnet offline — Presence Sensor Not Detecting / False Triggers
• Dispositivo BACnet offline — Zone Not Responding / Group Control Failure

DataCIQ

• ACTUATOR FAULT — Control Valve Stuck
• CURRENT IMBALANCE — Phase Imbalance Upstream
• DEVICE OFFLINE — Supervision Network Loss
• EMERGENCY FAULT — Emergency Lighting Failed
• LOW WATER PRESSURE — Make-up Water Failure
• OVERCURRENT TRIP — LV Main Breaker Trip
• PROTECTION TRIP 50/51 — Total MV Supply Loss
• REDUNDANCY LOST — Wrong A/B Feed Assignment
• SENSOR FAULT — Sensor Drift on Water Circuit
• SPD REPLACEMENT — SPD Cartridges Depleted
• TAP-OFF OVERTEMP — Busway / Tap-off Overheat
• THERMAL TAG — Hot Connection / Thermal Anomaly

ElectraIQ

• 50/51 — Overcurrent Protection 50/51 Trip
• 51N — Earth Fault Protection 51N Trip
• BMXAMI0810 — Analog input module — full-scale reading or error
• BMXCPS2000 Battery Fault — Memory error / backup battery depleted
• BMXCPS3500 — Unstable PLC power supply — cyclic restarts
• BMXDDI1602 — Digital input module — input not reading (stuck at 0)
• BMXDRA0805 — Digital output module — output not activating
• CNF — Fieldbus Communication Loss
• EtF — External Fault
• I/O Bus Error — CPU ↔ I/O module communication error (backplane bus)
• ObF — DC Bus Overvoltage Fault
• OCF — Overcurrent Fault
• OHF — Drive Overtemperature Fault
• PHF — Phase current imbalance — weak or missing phase
• SIL3 Safety Fault — Safety module F-CPU/F-DI/F-DO in passivation
• USF — DC Bus Undervoltage Fault
• USF — Motor not reaching rated speed — insufficient torque

All brands