Bosch Rexroth EFC 3600 Operating Instructions Manual page 139

DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
Error
Error name Possible reason
code
UE-1
UH
FHE-
CE7-
dir1
dir2
Power failure during running
Main circuit capacitor deterio‐
ration
Ambient temperature is lower
than -15°C
Defect of temperature sensor Replace the frequency converter
Parameter corruption
Internal circuit failure
EMC problem
Parameter [b1.10], direction
control=1, forward only. Di‐
rection command is reverse
Parameter [b1.10], direction
control=2, reverse only. Di‐
rection command is forward
Bosch Rexroth AG
Solution
Check the input power supply
Replace the frequency converter
● Check the surrounding temper‐
ature of the frequency convert‐
er
● Provide a reasonable ambient
temperature that frequency
converter requires
Contact with technical service
Contact with technical service
Remove the environmental inter‐
ference or EMI
Set the parameter correctly
Set the parameter correctly
Diagnosis
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