Error description 237-13820

Error message

13820 UM (FS.B): 3.3 V (FS.A) voltage monitor exceeded CC%2 %1

Cause of error

- The internal voltage monitor found that the 3.3 V voltage of the FS.A is too high

Error correction

Restart the control; if the error occurs again, then:
- Check the X76 jumper plugs
- Replace device
- Inform your service agency