Applicable Systems
2000B
2000G
3000G
J50
LX1/LX2/LX3
MX1/MX2/MX3
Symptoms
Alarm 198: SEQ ERROR. The Yasnac MX1 CNC control displays this alarm on the operator panel.
Possible Causes
- Refer to the machine tool builder manual for this Yasnac control
- Check program, axis, spindle and I/O status when the alarm occurred
Troubleshooting Steps
- Step 1: Read the alarm number on the Yasnac display and note the mode
Alarm noted - Step 2: Check the program block and machine condition in effect
Trigger identified - Step 3: Consult the Yasnac manual section for this alarm
Cause understood - Step 4: Correct the condition and clear the alarm
Alarm cleared
How to Reset
Reset: correct the cause, press the RESET key. If it persists, cycle power off/on. Do not ignore repeated alarms.
Frequently Asked Questions
- Q: What does alarm 198 on a Yasnac MX1 control mean?
Alarm 198 corresponds to: SEQ ERROR (Yasnac MX1). Refer to the machine tool builder manual for the exact trigger and recovery.
Source: CNC Alarms.com - https://cncalarms.com/yaskawa/
Category: CNC