Hettich UNIVERSAL 32 R - FU; CCI - ERROR 69: FC EEPROM Fault; FU;CCI - ERROR 84: FC Excess Speed Recognition; FU; CCI - ERROR 85: FC Watchdog Fault

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
21/49
FU / CCI - ERROR 69
Error cause EEPROM in FC is defective.
Error remedy
• CC is defective.
• FC is defective
FU / CCI - ERROR 84
Error cause FC recognises excess speed.
During rotation the speedometer pulses (6 per revolution) are
controlled by the FC.
The FC switches the centrifuge off, when the maximum speed
of the rotor is exceeded more than 500 rpm.
Error remedy
• CC is defective.
• FC is defective.
Measurement Also see at SB-X4 and FC S501 (PIN 8).
Error code reset Perform an MR.
FU / CCI - ERROR 85
Error cause “Watchdog” in FC
Discrepancy in program procedure
Error remedy
• CC is defective.
• FC is defective.
Error code reset Perform an MR.