ACS880 Primary Control Program

A file read error occurred during an internal file loading operation within the ACS880 drive. This suggests a problem with the drive's internal file system or firmware integrity. This fault cannot be reset.

An internal record load error has occurred within the ACS880 drive. This indicates an issue with reading or accessing internal data records, which are critical for drive operation.

The application file attempted to be loaded into the ACS880 drive is incompatible or corrupted, preventing successful loading. This fault cannot be reset, indicating a fundamental issue with the application software.

Loading of a user parameter set failed in the ACS880 drive. This can happen if the requested parameter set does not exist, is incompatible with the control program, or if power was lost during the loading process.

An operating system error in the ACS880 drive indicating that the drive's kernel (core operating system) is overloaded. This points to a critical internal software or resource management issue. This fault cannot be reset.

The ACS880 drive detected a parameter conflict related to Fieldbus adapter A. This occurs because the drive does not have a functionality requested by the PLC, or the requested functionality has not been activated, leading to inconsistent parameter settings.

A mechanical brake control fault occurred during brake closing in the ACS880 drive. This is typically activated if the brake acknowledgement signal is not as expected, indicating the brake did not close properly.

A mechanical brake control fault occurred during brake opening in the ACS880 drive. This is typically activated if the brake acknowledgement signal is not as expected, indicating the brake did not open properly.

The ACS880 drive detected that the conditions required for the mechanical brake to open cannot be fulfilled. This can be caused, for example, if the brake has been prevented from opening by parameter 44.11 Keep brake closed.

The ACS880 drive tripped due to a detected earth fault or current unbalance in the motor or the motor cable. This indicates a significant leakage current to ground, posing a safety risk and potential equipment damage.

The ACS880 drive detected a loss of one or more incoming AC supply phases. This prevents proper rectification and DC bus charging, and can lead to damage if not handled correctly. The drive will trip to protect itself.

The ACS880 drive detected an incorrect connection of input power and motor cables. Specifically, the input power cable is connected to the drive's motor output terminals, which is a critical wiring error.

The ACS880 drive detected a loss of one or more motor phases at its output. This indicates a problem with the motor wiring or the motor itself, leading to potential motor damage or irregular operation.

The Safe Torque Off (STO) function has been activated, removing power from the motor and preventing unintended starts. This fault indicates that the STO safety chain has been interrupted or a fault related to STO occurred, regardless of whether one or both signals were lost.

The ACS880 drive detected that the feedback signal coming from the charging system is missing. This typically indicates an issue with the pre-charge circuit or its monitoring, which can prevent the drive from powering up correctly.

An unidentified logic fault occurred within the power unit of the ACS880 drive. This suggests an internal issue with the power unit's control or a compatibility problem with the firmware.

An internal software error has occurred within the ACS880 drive. This indicates a problem with the drive's internal programming, operating system, or memory management, requiring investigation by support.

The firmware version of the ACS880 control program is incompatible with the Field-Programmable Gate Array (FPGA) logic version in the power unit. This mismatch prevents proper communication and operation of the drive.

A read error occurred with the mapping file for Fieldbus adapter A (FBA A) in the ACS880 drive. This issue prevents proper communication and data exchange over the fieldbus.

An internal fault in the ACS880 drive indicating that a processing task within the control system has exceeded its allocated execution time. This fault cannot be reset through normal means, pointing to a severe internal issue.

An internal fault in the ACS880 drive indicating that the drive's internal software stack has overflowed. This typically points to a software defect, excessive recursion, or memory corruption. This fault cannot be reset.

A parameter load or save operation failed in the ACS880 drive. This indicates an issue with writing or reading parameter data to or from the drive's non-volatile memory.

An internal fault in the ACS880 drive related to text data storage or processing has occurred. This could be due to exceeding internal buffer limits or corrupted text data.

An internal fault in the ACS880 drive related to 32-bit text table storage or processing has occurred. This could be due to exceeding internal buffer limits or corrupted text data tables.

An internal fault in the ACS880 drive related to 64-bit text table storage or processing has occurred. This could be due to exceeding internal buffer limits or corrupted text data tables.

No motor speed feedback signal was received by the ACS880 drive. This indicates an issue with the feedback device (e.g., encoder, resolver), its cabling, or its configuration, which is critical for accurate motor control.

The motor is rotating faster than its highest allowed speed in the ACS880 drive. This can be caused by incorrect speed limits, insufficient braking torque for the application, or uncontrolled acceleration due to load changes under torque reference.

An internal fault occurred within the encoder system of the ACS880 drive. This suggests a problem with the encoder interface module or the drive's internal processing of encoder signals.

The ACS880 drive detected an earth fault or current unbalance in the motor or the motor cable. This indicates a leakage current to ground, which can be a safety hazard or damage equipment, generating a warning.

The Safe Torque Off (STO) function has been activated, but the drive is stopped, leading to a warning instead of a fault depending on parameter 31.22. This warning indicates that the STO safety chain has been interrupted or activated while the drive was not running.

A warning generated by a signal supervision function. This indicates that a monitored signal has deviated from its expected range or state, triggering a programmable alert.

A warning generated by value counter 1 (also referred to as Value integrator 1). This indicates that the integrated value of a specific signal has exceeded a programmable threshold.

A warning generated by value counter 2 (also referred to as Value integrator 2). This indicates that the integrated value of a specific signal has exceeded a programmable threshold.

A warning generated by an on-time timer, indicating that device cleaning or maintenance may be due. An auxiliary code in the event log will specify the exact source of the timer.

This is a programmable warning related to the DC link capacitors, typically indicating that the estimated end-of-life or a maintenance interval for the capacitors is approaching.

This is a programmable warning related to a cabinet cooling fan, typically indicating that the fan is due for maintenance or replacement based on its accumulated run-time.

This is a programmable warning related to the internal cooling fan(s) of the drive. It indicates that the fan(s) are due for maintenance or replacement based on accumulated run-time.

A warning generated by an on-time timer or a value counter, often indicating a scheduled maintenance interval or an exceeded operational limit for motor bearings. An auxiliary code in the event log will specify the exact source.

A warning generated by an edge counter, typically indicating that a programmable limit for output relay operations has been reached. An auxiliary code in the event log will specify the exact source.

This is a programmable warning related to motor starts. The specific cause needs to be investigated through associated parameters, typically triggered by a counter exceeding a set threshold.

This is a programmable warning related to power cycles of the drive. It is typically triggered by a counter exceeding a set threshold for power-up events.

This is a programmable warning related to the main contactor operation. It is typically triggered by a counter or timer exceeding a set threshold for contactor operations or on-time.

This is a programmable warning related to the DC charging circuit of the drive. It is typically triggered by a timer or counter indicating an anomaly or exceeding a threshold during the DC bus pre-charge sequence.

A warning generated by on-time timer 1. This indicates that the duration of a specific monitored event or condition has exceeded a programmable threshold.

A warning generated by on-time timer 2. This indicates that the duration of a specific monitored event or condition has exceeded a programmable threshold.

A warning generated by edge counter 1. This indicates that the number of rising or falling edges of a specific input signal has exceeded a programmable threshold.

A warning generated by edge counter 2. This indicates that the number of rising or falling edges of a specific input signal has exceeded a programmable threshold.

This is a programmable warning related to an additional or auxiliary cooling fan. It indicates that the fan is due for maintenance or replacement based on accumulated run-time.

An analog input signal (e.g., current or voltage) connected to the ACS880 drive dropped below its configured minimum threshold. This indicates a potential problem with the sensor, its wiring, or the signal source.

An external fault condition, sourced from a configurable input (parameter 31.01 External event 1 source), has been detected by the ACS880 drive. This fault indicates an issue originating from an external device or safety system.

Loss of one of the Safe Torque Off (STO) signals (STO1). This fault indicates an issue with one channel of the dual-channel STO safety circuit, causing the drive to enter a safe state by removing motor torque.

Loss of one of the Safe Torque Off (STO) signals (STO2). This fault indicates an issue with the second channel of the dual-channel STO safety circuit, causing the drive to enter a safe state by removing motor torque.

The ACS880 drive's output current exceeded its maximum permissible level. This can lead to motor and drive overheating, potential damage to components, and unexpected system shutdowns.

The DC bus voltage of the ACS880 drive exceeded the maximum allowed limit. This typically occurs during regenerative braking when energy is fed back into the DC bus faster than it can be dissipated or stored, or due to high incoming supply voltage.

A user-defined fault, configured via parameter 31.13 Selectable fault, has occurred. The specific nature of this fault depends entirely on the fault code defined in 31.13 by the user.

The DC bus voltage of the ACS880 drive dropped below the minimum allowed limit. This typically indicates an issue with the incoming AC supply, which prevents proper rectification and DC bus maintenance.