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5.2. Appendix B
Error/ Warning Codes
E-B30: Calibration failure
Internal malfunction – calibration data failure/missing.
Contact dealer for support – Fault is not user correctable and Smart BMS requires replacement.
E-B31: Configuration failure
Internal malfunction - configuration data failure/missing.
To recover the Smart BMS from this condition:
1. Reset the unit to factory defaults under - Settings > More options > Reset to defaults
2. Disconnect all power and wait 3 minutes before reconnecting
3. Reconfigure the unit as required
E-B32: Battery BMS Cable not connected or defect
Detached or defect battery BMS cable (with M8 circular connector) detected.
When BMS cables are neither detached nor defect, this can happen when the pre-alarm feature is enabled while using batteries
not supported this feature.
1. Check if battery supports pre-alarm feature. If not:
2. Go to Settings page and disable pre-alarm feature.
E-B33: Reference Voltage failure
Internal malfunction - reference voltage failure/missing.
Contact dealer for support - Fault is not user correctable and Smart BMS requires replacement
A-A12: Short Circuit
Short-circuit protection is activated in the event of a short circuit, an overload condition or excessive inrush current.
1. Check for a potential short circuit condition.
2. Confirm that the load current draw does not exceed the Smart BMS current rating.
3. Check for loose/high resistance connections and ensure that appropriate gauge wiring is used in the
installation.
A-B11: Undervoltage
Undervoltage protection is activated in the event that the battery does not allow discharge.
1. Switch off/disconnect loads and recharge the battery
2. Check charging system and battery for proper operation
A-B15: Over temperature
Over temperature protection is activated in the event of excessive internal temperature.
Page 13
Smart BMS 12-200
Appendix
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