Hettich ROTINA 420, Repair Instructions

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Error designation No. Brief description Page
SER I/O-ERROR 31 TIME OUT, communication error with frequency
converter 23
SER I/O-ERROR 34 Communication error with frequency converter 23
SER I/O-ERROR 36 NAK, communication error with frequency
converter 23
°C / *-ERROR 51 Overtemperature on condenser 23
°C / *-ERROR 52 Overtemperature in centrifuge chamber 24
°C / *-ERROR 53 Temperature sensor at the bottom of the
centrifuge chamber is defective 24
°C / *-ERROR 54 Temperature sensor at the top of the centrifuge
chamber is defective (not existing in ROTINA
420 R) 25
°C / *-ERROR 55 Temperature sensor on condenser is defective 25
FU/CCI-ERROR 60 Faulty release signal to frequency converter
(drive-processor) 26
FU/CCI-ERROR 61.1 Undervolt, undervoltage frequency converter 26
FU/CCI-ERROR 61.2 Overvolt, overvoltage frequency converter 26
FU/CCI-ERROR 61.4 OverT FU, Übertemperatur frequency converter 27
FU/CCI-ERROR 61.5 OverT Mot, overtemperature in motor 27
FU/CCI-ERROR 61.9 OverI Peak, peak current error frequency
converter
27
FU/CCI-ERROR 61.13 Short cir, short circuit cut-off frequency converter 28
FU/CCI-ERROR 61.16 FU Enable, no enabling for frequency converter 28
FU/CCI-ERROR 61.17 Communication error with control-processor 28
FU/CCI-ERROR 61.18 frequency converter receives wrong direction of
rotation command
29
FU/CCI-ERROR 61.19 Overspeed, frequency converter recognizes
excess speed
29
FU/CCI-ERROR 61.20 Faulty speed measurement of the frequency
converter
29
FU/CCI-ERROR 61.128 Internal frequency converter error 30
FU/CCI-ERROR 61.129 System error of the frequency converter 30
FU/CCI-ERROR 61.130 Program memory of the frequency converter
defective
30
FU/CCI-ERROR 61.131 Reset by Watchdog of the frequency converter 30