Error 81 Storage unit
Error: 81.1 (5101hex | 20737dec) Description: Overvoltage | ||
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Cause | Measure | |
Maximum storage voltage exceeded. | Discharge the storage unit. | |
Error: 81.2 (5102hex | 20738dec) Description: Overvoltage – prewarning | ||
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Cause | Measure | |
Prewarning threshold for maximum storage voltage exceeded. | Discharge the storage unit. | |
Error: 81.3 (5103hex | 20739dec) Description: Undervoltage | ||
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Cause | Measure | |
Minimum storage voltage undershot. | Charge the storage unit. | |
Error: 81.4 (5104hex | 20740dec) Description: Undervoltage – prewarning | ||
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Cause | Measure | |
Prewarning threshold for minimum storage voltage undershot. | Charge the storage unit. | |
Error: 81.5 (5105hex | 20741dec) Description: Undervoltage (open-circuit) | ||
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Cause | Measure | |
The open-circuit voltage has fallen below the minimum storage voltage. The storage unit is completely discharged. | Charge the storage unit. | |
Error: 81.6 (5106hex | 20742dec) Description: Overcurrent in discharging direction – prewarning | ||
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Cause | Measure | |
Storage unit briefly overloaded. | Reduce the load. | |
Error: 81.7 (5107hex | 20743dec) Description: Overcurrent in discharging direction | ||
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Cause | Measure | |
Storage unit permanently overloaded. | Reduce the load. | |
Error: 81.8 (5108hex | 20744dec) Description: Short circuit in discharging direction | ||
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Cause | Measure | |
Storage unit excessively overloaded. | Reduce the load. | |
Output stage of storage unit defective. | Contact SEW-EURODRIVE Service. | |
Error: 81.9 (5109hex | 20745dec) Description: Overcurrent in charging direction – prewarning | ||
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Cause | Measure | |
Storage unit briefly overloaded. | Reduce the load. | |
Error: 81.10 (510Ahex | 20746dec) Description: Overcurrent in charging direction | ||
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Cause | Measure | |
Storage unit permanently overloaded. | Reduce the load. | |
Error: 81.11 (510Bhex | 20747dec) Description: Short circuit in charging direction | ||
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Cause | Measure | |
Storage unit excessively overloaded. | Reduce the load. | |
Output stage of storage unit defective. | Contact SEW-EURODRIVE Service. | |
Error: 81.12 (510Chex | 20748dec) Description: Overtemperature (electronics) | ||
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Cause | Measure | |
Storage unit overloaded. | – Reduce the load. – Reduce ambient temperature. | |
Error: 81.13 (510Dhex | 20749dec) Description: Overtemperature (storage cells) – prewarning | ||
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Cause | Measure | |
Storage unit overloaded. | – Reduce the load. – Reduce ambient temperature. | |
Error: 81.14 (510Ehex | 20750dec) Description: Overtemperature (storage cells) | ||
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Cause | Measure | |
Storage unit overloaded. | – Reduce the load. – Reduce ambient temperature. | |
Error: 81.15 (510Fhex | 20751dec) Description: Cell voltages not balanced (filtered) | ||
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Cause | Measure | |
Equalization charge not performed for too long a period of time. | Perform equalization charge. | |
Storage unit defective. | If the fault occurs repeatedly, replace the storage unit. | |
Error: 81.16 (5110hex | 20752dec) Description: Cell voltages not balanced (unfiltered) | ||
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Cause | Measure | |
Equalization charge not performed for too long a period of time. | Perform equalization charge. | |
Storage unit defective. | If the fault occurs repeatedly, replace the storage unit. | |
Error: 81.17 (5111hex | 20753dec) Description: Cell voltages not balanced across modules (unfiltered) | ||
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Cause | Measure | |
Equalization charge not performed for too long a period of time. | Perform equalization charge. | |
Storage unit defective. | If the fault occurs repeatedly, replace the storage unit. | |
Error: 81.19 (5113hex | 20755dec) Description: External fault | ||
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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. | |
Error: 81.20 (5114hex | 20756dec) Description: Undervoltage (open-circuit) – prewarning | ||
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Cause | Measure | |
The open-circuit voltage has briefly fallen below the minimum storage voltage. | Charge the storage unit. | |
Error: 81.21 (5115hex | 20757dec) Description: Overvoltage (terminals) | ||
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Cause | Measure | |
Maximum voltage at terminals exceeded. | Reduce the voltage. | |
Error: 81.22 (5116hex | 20758dec) Description: Cell voltages not balanced (unfiltered) – prewarning | ||
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Cause | Measure | |
Equalization charge not performed for too long a period of time. | Perform equalization charge. | |
Storage unit defective. | If the fault occurs repeatedly, replace the storage unit. | |
Error: 81.23 (5117hex | 20759dec) Description: Cell voltages not balanced across modules (unfiltered) – prewarning | ||
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Cause | Measure | |
Equalization charge not performed for too long a period of time. | Perform equalization charge. | |
Storage unit defective. | If the fault occurs repeatedly, replace the storage unit. | |
Error: 81.24 (5118hex | 20760dec) Description: General fault | ||
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Cause | Measure | |
The storage unit has detected a general fault. | Check the state of the storage unit. | |
Error: 81.25 (5119hex | 20761dec) Description: Undertemperature (storage cells) | ||
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Cause | Measure | |
Ambient temperature too low. | Increase the ambient temperature. | |
Error: 81.26 (511Ahex | 20762dec) Description: Undertemperature (storage cells) – prewarning | ||
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Cause | Measure | |
Ambient temperature too low. | Increase the ambient temperature. | |
Error: 81.27 (511Bhex | 20763dec) Description: Internal message | ||
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Cause | Measure | |
The storage unit has detected an internal fault. | Check the state of the storage unit. | |
Error: 81.28 (511Chex | 20764dec) Description: Overcurrent | ||
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Cause | Measure | |
Storage unit permanently overloaded. | Reduce the load. | |
Error: 81.29 (511Dhex | 20765dec) Description: Critical fault | ||
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Cause | Measure | |
Storage unit has detected a critical fault. | Check the state of the storage unit. | |
Error: 81.30 (511Ehex | 20766dec) Description: Manufacturer-specific fault | ||
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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. | |
Error: 81.31 (511Fhex | 20767dec) Description: Defective fuse of the storage module | ||
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Cause | Measure | |
Fuse overloaded. | Check the storage unit and replace if necessary. | |
Error: 81.32 (5120hex | 20768dec) Description: Precharging resistor overloaded | ||
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Cause | Measure | |
Capacitance connected to storage unit too large. | Check the capacitance. | |
Error: 81.33 (5121hex | 20769dec) Description: Manufacturer-specific warning | ||
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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. | |
