Error description 237-1304C
Error message
1304C UM: faulty HFL transmission 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
- 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
- Exchange the UM3
- Exchange the CC3
- Inform your service agency