!!
critical Yaskawa
Error Code ALM/ERR LED flashes quickly multiple times each second for a brief period of time
Severe fault or safety function triggering shutdown detected.
? What Causes This
Significant hardware failure, sudden loss of motor input voltage, unauthorized keypad access while REMOTE operation mode is enabled. Other possible conditions listed under description:
✓ How to Fix It
Shut down the unit completely and review event logs for cause(s); consult service manual, contact Yaskawa support if resolution not readily apparent.
Source: page 59 of the official manual
From the manual
This error code appears in:
Yaskawa Hv600