Error description 237-1304B

Error message

1304B UM: notable HFL transmission (ext.) CC%2 %1; error code: %4

Cause of error

Possible causes:
Electromagnetic noise or faulty electrical contacts:
- of the 24V supply voltage
- of the DC-link voltage
- in the motor cabling
- in the brake cabling
- Contamination or poor optical coupling of the HFL

Error correction

- No immediate corrective action is necessary, since no error situation has occurred yet
- Recommended preventive measures:
- Check the machine for correct shield connection and grounding
- Check the power cables for correct clamping
- Check the HFL for correct routing and clamping, and also for contamination