Fault 81 Storage unit

Fault: 81.1 (5101hex | 20737dec)

Description: Overvoltage

 

 

Cause

Measure

Maximum storage voltage exceeded.

Discharge the storage unit.

Fault: 81.2 (5102hex | 20738dec)

Description: Overvoltage – pre-warning

 

 

Cause

Measure

Pre-warning threshold for maximum storage voltage exceeded.

Discharge the storage unit.

Fault: 81.3 (5103hex | 20739dec)

Description: Undervoltage

 

 

Cause

Measure

Minimum storage voltage undershot.

Charge the storage unit.

Fault: 81.4 (5104hex | 20740dec)

Description: Undervoltage – pre-warning

 

 

Cause

Measure

Pre-warning threshold for minimum storage voltage undershot.

Charge the storage unit.

Fault: 81.5 (5105hex | 20741dec)

Description: Undervoltage (idle)

 

 

Cause

Measure

The open-circuit voltage has fallen below the minimum storage voltage. The storage unit is completely discharged.

Charge the storage unit.

Fault: 81.6 (5106hex | 20742dec)

Description: Overcurrent in discharging direction – pre-warning

 

 

Cause

Measure

Storage unit briefly overloaded.

Reduce the load.

Fault: 81.7 (5107hex | 20743dec)

Description: Overcurrent in discharging direction

 

 

Cause

Measure

Storage unit permanently overloaded.

Reduce the load.

Fault: 81.8 (5108hex | 20744dec)

Description: Short circuit in discharging direction

 

 

Cause

Measure

Storage unit excessively overloaded.

Reduce the load.

Output stage of storage unit defective.

Contact SEW-EURODRIVE Service.

Fault: 81.9 (5109hex | 20745dec)

Description: Overcurrent in charging direction – pre-warning

 

 

Cause

Measure

Storage unit briefly overloaded.

Reduce the load.

Fault: 81.10 (510Ahex | 20746dec)

Description: Overcurrent in charging direction

 

 

Cause

Measure

Storage unit permanently overloaded.

Reduce the load.

Fault: 81.11 (510Bhex | 20747dec)

Description: Short circuit in charging direction

 

 

Cause

Measure

Storage unit excessively overloaded.

Reduce the load.

Output stage of storage unit defective.

Contact SEW-EURODRIVE Service.

Fault: 81.12 (510Chex | 20748dec)

Description: Overtemperature (electronics)

 

 

Cause

Measure

Storage unit overloaded.

– Reduce the load.

– Reduce ambient temperature.

Fault: 81.13 (510Dhex | 20749dec)

Description: Overtemperature (storage cells) – pre-warning

 

 

Cause

Measure

Storage unit overloaded.

– Reduce the load.

– Reduce ambient temperature.

Fault: 81.14 (510Ehex | 20750dec)

Description: Overtemperature (storage cells)

 

 

Cause

Measure

Storage unit overloaded.

– Reduce the load.

– Reduce ambient temperature.

Fault: 81.15 (510Fhex | 20751dec)

Description: Cell voltages not balanced (filtered)

 

 

Cause

Measure

Balancing not performed for too long.

Perform balancing.

Storage unit defective.

If the fault occurs repeatedly, replace the storage unit.

Fault: 81.16 (5110hex | 20752dec)

Description: Cell voltages not balanced (unfiltered)

 

 

Cause

Measure

Balancing not performed for too long.

Perform balancing.

Storage unit defective.

If the fault occurs repeatedly, replace the storage unit.

Fault: 81.17 (5111hex | 20753dec)

Description: Cell voltages not balanced across modules (unfiltered)

 

 

Cause

Measure

Balancing not performed for too long.

Perform balancing.

Storage unit defective.

If the fault occurs repeatedly, replace the storage unit.

Fault: 81.19 (5113hex | 20755dec)

Description: External fault

 

 

Cause

Measure

Critical fault detected in an energy module within the storage unit.

Check the energy modules for faults, for example:

– Check the voltage of the individual energy modules.

– Check the connection of the individual energy modules.

Fault: 81.20 (5114hex | 20756dec)

Description: Undervoltage (idle) – pre-warning

 

 

Cause

Measure

The static voltage has briefly undershot the minimum storage voltage.

Charge the storage unit.

Fault: 81.21 (5115hex | 20757dec)

Description: Overvoltage (terminals)

 

 

Cause

Measure

Maximum voltage at terminals exceeded.

Reduce the voltage.

Fault: 81.22 (5116hex | 20758dec)

Description: Cell voltages not balanced (unfiltered) – pre-warning

 

 

Cause

Measure

Balancing not performed for too long.

Perform balancing.

Storage unit defective.

If the fault occurs repeatedly, replace the storage unit.

Fault: 81.23 (5117hex | 20759dec)

Description: Cell voltages not balanced across modules (unfiltered) – pre-warning

 

 

Cause

Measure

Balancing not performed for too long.

Perform balancing.

Storage unit defective.

If the fault occurs repeatedly, replace the storage unit.

Fault: 81.24 (5118hex | 20760dec)

Description: General fault

 

 

Cause

Measure

The storage unit detected a general fault.

Check the state of the storage unit.

Fault: 81.25 (5119hex | 20761dec)

Description: Undertemperature (storage cells)

 

 

Cause

Measure

Ambient temperature too low.

Increase the ambient temperature..

Fault: 81.26 (511Ahex | 20762dec)

Description: Undertemperature (storage cells) – pre-warning

 

 

Cause

Measure

Ambient temperature too low.

Increase the ambient temperature..

Fault: 81.27 (511Bhex | 20763dec)

Description: Internal notification

 

 

Cause

Measure

The storage unit detected an internal fault.

Check the state of the storage unit.

Fault: 81.28 (511Chex | 20764dec)

Description: Overcurrent

 

 

Cause

Measure

Storage unit permanently overloaded.

Reduce the load.

Fault: 81.29 (511Dhex | 20765dec)

Description: Critical error

 

 

Cause

Measure

Storage unit signaled critical fault.

Check the state of the storage unit.

Fault: 81.30 (511Ehex | 20766dec)

Description: Manufacturer-specific fault

 

 

Cause

Measure

Storage unit has detected a manufacturer-specific fault.

The manufacturer-specific error code can be identified via the generic memory interface and the internal error code of the subcomponent. The internal error code of the subcomponent corresponds to the manufacturer-specific message 1 – 16 of the generic memory interface.

The associated cause of the fault can be found in the documentation for the storage unit.

Check the state of the storage unit. For measures to correct the fault, refer to the documentation of the storage unit.

Fault: 81.31 (511Fhex | 20767dec)

Description: Defective fuse of the storage module

 

 

Cause

Measure

Fuse overloaded.

Check the storage unit and replace if necessary.

Fault: 81.32 (5120hex | 20768dec)

Description: Pre-charging resistor overloaded

 

 

Cause

Measure

Capacitance connected to storage unit too large.

Check the capacitance.

Fault: 81.33 (5121hex | 20769dec)

Description: Manufacturer-specific warning

 

 

Cause

Measure

Storage unit has reported a manufacturer-specific warning.

The manufacturer-specific error code can be identified via the generic memory interface and the internal error code of the subcomponent. The internal error code of the subcomponent corresponds to the manufacturer-specific message 1 – 16 of the generic memory interface.

The associated cause of the fault can be found in the documentation for the storage unit.

Check the state of the storage unit.