14.4.35 Error 53 (Fdi-): No Valid Process Data
Possible reason
Solution
No valid process data is received from remote communication server, the
remote communication server may be turned off
Check remote communication server
14.4.36 Error 54 (PcE-): Remote Control Communication Error
Possible reason
Solution
Error if communication to IndraWorks/ConverterWorks is lost during re‐
mote control
●
Check communication status between fre‐
quency converter and IndraWorks/Conver‐
terWorks
●
Contact with service
14.4.37 Error 55 (PbrE): Parameter Backup / Restore Error
Possible reason
Solution
Error occurs during parameter backup/restore process
Contact with service
14.4.38 Error 56 (PrEF): Parameter Restore Error after Firmware Update
Possible reason
Solution
Error occurs if parameter settings cannot be restored after firmware up‐
date
Contact with service
14.4.39 Error 60 (ASF-): Application Firmware Error
Possible reason
Solution
Error message if the application firmware was not loaded correctly or trail
use is over
Contact with service
14.4.40 Error 61 (APE1): Application Error
Possible reason
Solution
Application error
For detailed information about the error, please
chapter 14.5.2 "Error Code" on page 136
Bosch Rexroth AG
DOK-SYTROX-DRN5020****-IT05-EN-P
132/143
Frequency-Controlled Pump Drive System Sytronix DRn 5020
Troubleshooting