Error description 237-180B8

Error message

180B8 Conspicuous telegrams of UM 3xx %1 below the reporting threshold

Cause of error

There are peculiar telegrams during transmission of the actual current values from the UM to the CC.
Possible causes
- Electromagnetic noise or faulty electrical contacts of the 24V supply voltage
- Electromagnetic noise or faulty electrical contacts of the DC-link voltage
- Electromagnetic noise or faulty electrical contacts in the motor cabling
- Electromagnetic noise or faulty electrical contacts 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
- Possible preventive measure: check the machine for correct shield connection and grounding
- Possible preventive measure: check the power cables for correct clamping
- Possible preventive measure: check the HFL for correct routing, and also for contamination and correct clamping