Application loading
ABB · ACS880
What does 64A3 mean?
The drive's application file is either incompatible with the current hardware/firmware or has become corrupted during storage or transfer. This critical fault prevents the application from loading and operating the drive, rendering it inoperable.
Common Causes
- Application file (e.g., custom PLC program, specific control mode) corrupted on internal storage or during transfer.
- Incompatibility between the loaded application file and the drive's current firmware version (e.g., firmware P0-02).
- Hardware revision mismatch (e.g., application designed for drive HW R1.0 loaded on HW R2.0).
- Insufficient memory available to load the application due to fragmentation or other processes.
- Abrupt power loss during application download or verification process.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Perform a power cycle of the drive by disconnecting input power for 60 seconds.
- 2
Verify the compatibility of the application file with the drive's firmware version (e.g., P0-02) and hardware revision.
- 3
Re-download the application file using the drive's engineering software.
- 4
Try loading a simpler, known good application file (e.g., a basic motor control program).
- 5
Perform a full firmware re-installation on the drive.
- 6
Verify the checksum of the application file against the original source file.