8199
Category: Alarm
Cause
Condition: Bus communication is disconnected. Cause: Communication hardware abnormality.
Corrective action
- Check whether the communication cable is in good condition.
- Check communication quality. A common equipment ground and shielded communication cable are recommended.
- For communication models, check whether monitor variable 120 continues to increase. Reset NMT, reset using OD 0x6040, or clear using DI.ARST.