Bosch Rexroth EFC 3600 Operating Instructions Manual page 141

DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
Error
Error name Possible reason
code
CE2-
CE6-
CE9-
OE-4
Fig.9-1: Error description and solution
EMC problem
Defect on main board
EMC problem
Defect on removable board
Firmware version of I/O
board does not match with
others in the system
Power supply voltage is too
high
Surge voltage from the power
supply
Noise interference
Bosch Rexroth AG
Solution
Remove the environmental inter‐
ference or EMI
Replace the frequency converter
Remove the environmental inter‐
ference or EMI
Replace the removable board or
frequency converter
Contact with technical service
Check the input power supply
Check the input power supply
● Check the wiring of control cir‐
cuit, main circuit and ground to
find out the source of interfer‐
ence
● Too much inertia on the load
Diagnosis
139/235