
Error
code Error name Possible reason
Solution
OE-2
Overvoltage during
acceleration
Surge voltage from the power
supply
Check the input power supply
Motor to earth short circuit
causes DC bus capacitors to
be overcharged
Check the motor connection
Direct start during motor run‐
ning
Restart after motor stop, or start
with tracing speed ([b1.30])
Too short acceleration time
Increase the acceleration time
([b1.20]) or use S-curve
([b1.22]~[b1.24])
OE-3
Overvoltage during deceleration
Surge voltage from the power
supply
Check the input power supply
Motor to earth short circuit
causes DC bus capacitors to
be overcharged
Check the motor connection
Too large load rotation inertia Use suitable brake component
Too short deceleration time
● Increase the deceleration time
([b1.21])
● Use a brake resistor or a dy‐
namic brake resistor unit
● Enable stall overvoltage pre‐
vention during deceleration
([E4.01]=1)
Incorrect wiring of brake re‐
sistor
Check the wiring according to the
manual
The brake chopper is dam‐
aged
Replace the frequency converter
Bosch Rexroth AG
Diagnosis
DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
130/235
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 ...