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Error
code Error name Possible reason
Solution
UE-1
Undervoltage during run
Power failure during running Check the input power supply
Main circuit capacitor deterio‐
ration
Replace the frequency converter
UH
Frequency converter under
temperature
Ambient temperature is lower
than -15°C
● Check the surrounding temper‐
ature of the frequency convert‐
er
● Provide a reasonable ambient
temperature that frequency
converter requires
Defect of temperature sensor Replace the frequency converter
FHE-
Manufacturer parameter
defect or dismatch
to hardware
Parameter corruption
Contact with technical service
CE7-
15 V Power supply error
Internal circuit failure
Contact with technical service
EMC problem
Remove the environmental inter‐
ference or EMI
dir1
Rotation direction error 1
Parameter [b1.10], direction
control=1, forward only. Di‐
rection command is reverse
Set the parameter correctly
dir2
Rotation direction error 2
Parameter [b1.10], direction
control=2, reverse only. Di‐
rection command is forward
Set the parameter correctly
DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
Bosch Rexroth AG
Diagnosis
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Summary of Contents for Rexroth EFC 3600
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Page 237: ...Notes DOK RCON03 EFC 3600 IT01 EN P Rexroth Frequency Converter EFC 3600 Bosch Rexroth AG ...