ABB AE21 fault code meaning
ABB / AE21
Series: ACS860-REG
Flash erase speed exceeded
drive
Meaning: The flash memory (within the memory) is being erased too frequently, reducing its service life.
Possible causes
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P112
Series: ACS880-DIODE
Flash erase speed exceeded
drive
Meaning: The flash memory (in the memory unit) has been erased too frequently, reducing its service life.
Possible causes
Source: ACS880 Diode Supply Control Program P167
Series: ACS880-IGBT
Flash erase speed exceeded
drive
Meaning: The flash memory (in the memory) is being erased too frequently, reducing its service life.
Possible causes
Source: ACS880 IGBT Supply Control Program Firmware Manual P199