Error
code
Error name Possible reason Solution
O.T.
Motor
over heat
Improper V/f curve Adjust V/f curve settings
Continuous running at low
speed
Use a special motor if it is necessary to run
at low speed for a long time
Too large load Check the load
CPUE EMI
CPU incorrect operation due to
internal interference or damage
Remove nearby interference or other EMI
Tab. 4-1: Error types and solutions
Bosch Rexroth AG
Error Indication
28/31
DOK-RCON01-FE*********-IN04-EN-P
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