CE8-: Communication problem on I/O board (No communication frames re-
ceived)
Possible reason Solution
EMC problem Remove the environmental interference or EMI
Defect on I/O board Replace the I/O board or contact with service
CE0-: Communication problem on main board (The communication frames are
checksum erroneous)
Possible reason Solution
EMC problem Remove the environmental interference or EMI
Defect on main board Contact with service
CE1-: Communication problem on operating panel (The communication frames
are checksum erroneous)
Possible reason Solution
EMC problem Remove the environmental interference or EMI
Defect on operating panel Replace the operating panel or contact with service
CE2-: Communication problem on main board (No communication data from
main board received)
Possible reason Solution
EMC problem Remove the environmental interference or EMI
Defect on main board Contact with service
CE6-: Communication problem on operating panel (No communication data from
operating panel received)
Possible reason Solution
EMC problem Remove the environmental interference or EMI
Defect on operating panel Replace the operating panel or contact with service
Bosch Rexroth AG
Diagnosis
EFC 3600
134/259
DOK-RCON03-EFC-3600***-IT03-EN-P