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Bosch Rexroth EFC 3600 Operating Instructions Manual page 137

Frequency converter
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DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
Error
Error name Possible reason
code
CPUC
CPUE
CE3-
CE4-
FFE-
CPU fatal error on I/O board
CPU fatal on operating panel
Problem with operating panel
Problem with operating panel
operating panel may be
placed to the frequency con‐
verter with older/newer firm‐
ware
I/O board may be removed to
anther device
Bosch Rexroth AG
Solution
● Check the wiring of control cir‐
cuit, main circuit and ground to
find out the source of interfer‐
ence
● If it happens again, replace the
frequency converter
● Check the wiring of control cir‐
cuit, main circuit and ground to
find out the source of interfer‐
ence
● If it happens again, replace the
frequency converter
● Check the wiring of control cir‐
cuit, main circuit and ground to
find out the source of interfer‐
ence
● If it happens again, replace the
operating panel or the frequen‐
cy converter
● Check the wiring of control cir‐
cuit, main circuit and ground to
find out the source of interfer‐
ence
● If it happens again, replace the
operating panel or the frequen‐
cy converter
Contact with technical service
Contact with technical service
Diagnosis
135/235
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