Hettich UNIVERSAL 32 R - SER I;O - ERROR 30 & 31: CP;FC Communication; SER I;O - ERROR 33: FC Data Reception; SER I;O - ERROR 34: CP;FC Data Transmission; SER I;O - ERROR 36: FC Acknowledgement

CP : control panel, FC : frequency converter, SB : supply board, CB : cooling board, CC : control cable, LL : lid locking, BC : braking chopper,
BR : brake resistor, MR : mains reset
17/49
SER I/O - ERROR 30 and ERROR 31
Error cause CP has no connection to the component FC via serial interface.
Error
consequence
The centrifuge slows down until the ”open the lid” release
occurs.
Error remedy
• CC to FC is defective.
• There is no voltage on FC.
• F2 overtemperature fuse on brake resistor has blown or is
not connected.
• CP or FC is defective.
• Cable on plug S102 is not or wrong plugged
Error code reset Perform an MR.
SER I/O - ERROR 33
Error cause CP is not receiving correct data from FC.
Error
consequence
The centrifuge slows down until the ”open the lid” release
occurs.
Error remedy
• CC to FC is defective.
• CP or FC is defective.
Error code reset Perform an MR.
SER I/O - ERROR 34
Error cause CP is not receiving correct data from FC.
Error
consequence
The centrifuge slows down until the ”open the lid” release
occurs.
Further cooling until NOMINAL temperature is reached.
Error remedy
• CC to FC is defective.
• CP or FC is defective.
Error code reset Perform an MR.
SER I/O - ERROR 36
Error cause FC sends signal NAK to the CP after receiving an unknown
command.
NAK (not acknowledged).
Error
consequence
The centrifuge slows down until the ”open the lid” release
occurs.
Further cooling until NOMINAL temperature is reached.
Error remedy
• CC to FC is defective.
• FC is defective.
• CP is defective.
Error code reset Perform an MR.