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