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Hettich ROTINA 420, Repair Instructions

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Hettich ROTINA 420 Repair Instructions Download Page 70

 

70/97 

 

Action 

 

Display / Comment 

• 

Turn the control 
knob   to the right.

→

  e.g. 

Adr: 0010 = 000003E3 - 00000215 

Content of the memory cells 10, 12, 14, 16, 18, 1A, 1C, 1E.
Example: Content of the address 16 = E3 
By turning the control knob   the contents of the memory 
cells 0000 up to 7FF0 can be displayed. 

 

 

  If the control knob   is turned to the right and the  

PROG

 key is pressed at the same time then the 

address will change in steps of 1000

hex

. 

 

 

 

5.  To exit the menu 

press the 

STOP / OPEN

key four times. 

→

 

→

 

→

 

→

 

Eeprom Read 

-

>

 Eeprom 

∗∗∗

 Select Menu 

∗∗∗

 

e.g. 

6    20    9

 9    4000    5:20 

Display of the centrifugation data. 

 
 

6.20 Initialise 

the 

EEPROM 

 

  If the EEPROM is initialized, the centrifuge model, the setting of the imbalance 

switch-off and the offset values of the temperature sensors are deleted. The 
centrifuge model, the offset-values and the imbalance switch-off must be set 
again after the initialization. Recommendation: Note the adjusted imbalance 
value and the offset-values of the temperature sensors before initializing and 
enter afterwards again. 
The initialisation of the EEPROM is only possible if the rotor is at standstill. 
It is at any time possible to terminate the procedure by pressing the 

STOP / OPEN

 key. 

 
 

Action 

 

Display / Comment 

1. Keep the 

START

 key 

and the 

STOP / OPEN

 

key pressed and 
switch on the mains 
switch at the same 
time. 

→

 

 

∗∗∗

 Select Menu 

∗∗∗

 

 

 

 

 

2. Press the 

PROG

 key 

so often until the 
following will be 
displayed: 

→

 

-

>

 Eeprom

 

 

 

 

3. Press the 

START

 key. 

→

 

Eeprom Read

 

 

Summary of Contents for ROTINA 420

Page 1: ...06 08 Andreas Hettich GmbH Co KG AR4701EN ROTINA 420 ROTINA 420 R Repair instructions ...

Page 2: ...1 705 0 Fax 07461 705 125 info hettichlab com service hettichlab com www hettichlab com 2007 by Andreas Hettich GmbH Co KG All rights reserved No part of this publication may be reproduced without the prior written permission of the copyright owner Modifications reserved AR4701EN 06 08 ...

Page 3: ... and elimination of errors 15 6 Settings and interrogations 35 6 1 Summary of the possible settings and interrogations 35 6 2 Inquiry the system information 36 6 3 Inquire and change the operating hours and inquire the number of the centrifugation runs 37 6 4 Set the acoustic signal 38 6 5 Set the centrifugation data displayed after switch on 40 6 6 Set the functions Ramp Unit RCF Integral B Ramp ...

Page 4: ...ion run 71 7 Update the software of the control processor 73 7 1 Install the flash program on the PC 73 7 2 Perform a software update 73 8 Functional check after a repair 75 9 General arrangement of the components 76 10 Mounting and removing components 80 10 1 Removing the front panel 80 10 2 Removing the support sheet of the electronics A1 80 10 3 Hook in the front panel at the support sheet for ...

Page 5: ...t the motor only in centrifuges with cooling 87 10 16 Starting capacitor starting relay only in centrifuges with cooling 88 10 17 Mains switch F1 88 10 18 Appliance plug A4 resp X1 88 10 19 Transformer T1 only in 120 V version 89 10 20 Circuit breaker F2 only in 120 V version 89 10 21 Packing ring 89 10 22 Pneumatic spring 90 11 Technical documents 91 11 1 Tachometer code configuration of the roto...

Page 6: ...cal documents 2 Symbol meanings Symbol on the machine Attention general hazard area Before using the centrifuge implicitly read the operating instructions and pay attention to the safety relevant references Symbol in the repair instructions Attention general hazard area This symbol refers to safety relevant warnings and indicates possibly dangerous situations The non adherence to these warnings ca...

Page 7: ...e resistor R1 control processor motor driven lid lock M4 1 S905 S1001 S1000 3x centrifuge control RS 232 from to PC programming controlling electronics ROTINA 420 420R EEPROM PFC switching power supply S100 S906 power input 100 127 V transformer 120 V 230 V Connection only with power input 200 240 V cutoff PCF imbalance sensor B2 2 compressor M2 M2 1 1 fan M5 for cooling the motor M1 1 fan M3 at t...

Page 8: ...ams Evaluating the errors recognized by the frequency converter Voltage supply and evaluation of both speed sensors B2 1 B4 speedometer Voltage supply and evaluation of the imbalance sensor B2 2 Controlling the motor driven lid lock Voltage supply 15 V DC and 5 V DC for the operating panel Evaluating the temperature sensors T1 T2 B1 B3 and controlling the cooling Evaluating the overtemperature swi...

Page 9: ...vertemperature switch F3 disconnects the supply voltage of the centrifuge 3 6 Motor M1 Tacho system B4 B2 1 The motor M1 is a three phase asynchronous motor with two pairs of poles A speed sensor B4 speedometer which is screwed onto the motor receives the rotor code information and the speed information 6 pulses per revolution from the magnets of the tacho ring attached to the rotor An additional ...

Page 10: ...m The cooling system is a hermetical system The cooling system consists of the following components Compressor M2 M2 1 Cooling tubes around the centrifuge chamber evaporator Condenser Dryer Fan M3 Temperature sensor T1 B1 and overtemperature switch in the centrifuge chamber Temperature sensor T3 B3 on the condenser In the housing of the temperature sensor T1 B1 also the overtemperature switch is i...

Page 11: ...switch 150 C 302 F Centrifuge chamber Overtemperature switch 60 C 140 F with option Heating Cooling 120 C 248 F 4 Troubleshooting procedures Fuses in installation in which centrifuge is installed are intact Supply voltage present at see circuit diagram Connecting cable Appliance plug Mains switch Electronics A1 plug S100 Look for the displayed error code in the chapter 5 pg 12 Remedy the error acc...

Page 12: ... error 18 CONTROL ERROR 4 3 Lid lock error 18 CONTROL ERROR 4 4 Lid lock error 18 CONTROL ERROR 4 5 Lid lock error 19 N MAX 5 Excessive speed error 19 CONTROL ERROR 6 Lid lock error 20 ROTORCODE 10 1 No start code recognized 20 ROTORCODE 10 2 Invalid rotor code 20 ROTORCODE 10 3 Error during reading the rotor code 21 MAINS INTERRUPT 11 Mains interruption 21 VERSION ERROR 12 Incorrect machine type ...

Page 13: ...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 ...

Page 14: ...ation run 32 C ERROR 97 Temperature sensor on the Electronics defective 32 C ERROR 98 Temperature sensor on the Electronics detects overtemperature 32 PROGRAMM ERROR 100 Ceck sum error with programs Single programs 33 MULTI PROG ERROR 101 Ceck sum error with program linking Multi programs 33 NO ROTOR OR ROTORCODE ERROR No rotor installed or speed sensor on top of the motor defective 33 N ROTOR MAX...

Page 15: ...ssible After the rotor is at standstill and the 3 minutes have elapsed the lid lock will be released and the lid can be opened Reset error code Open the lid Switch off the mains switch switch position 0 Wait at least 10 seconds Turn the rotor vigorously by hand Switch on the mains switch again switch position Ι The rotor must turn during switch on Speed sensor B4 on top of the motor defective or l...

Page 16: ...witch again switch position Ι The rotor must turn during switch on Motor is blocked or defective Loose contact on motor plug S104 Both speed sensors B4 B2 1 defective or loose contact on plug Check the function of the speed sensors see pg 62 chapter 6 17 item 6 Speed sensor B4 on top of the motor Measure supply voltage on plug S602 Electronics A1 pin 2 pin 3 14 18 VDC Measure speedometer pulses on...

Page 17: ...A1 is defective CONTROL ERROR 4 1 The lid switches for the left and or right hook have opened during the centrifugation run The rotor slows down without braking until it stops No further user operation possible except opening the lid Reset error code After the rotor has stopped perform a MAINS RESET If the left LED in the button STOP OPEN is blinking after turning the centrifuge on again press thi...

Page 18: ...her user operation possible except opening the lid Reset error code Perform a MAINS RESET Position switch Mc defective Check the function of the switch see pg 62 chapter 6 17 item 21 Pull out plug S703 and check the function of the switch at the plug of the cable between pin 6 pin 7 position switch Mc Electronics A1 is defective CONTROL ERROR 4 4 The lid can not be locked by motor No further user ...

Page 19: ...d sensors B4 or B2 1 is 250 RPM higher than the maximum speed of the rotor The rotor slows down braked until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Both speed sensors B4 B2 1 defective or loose contact on plug Check the function of the speed sensors see chapter 6 17 item 6 Speed sensor B4 on top of the motor Measure supply voltage ...

Page 20: ...on switch Mo Electronics A1 is defective ROTORCODE 10 1 Start code of the rotor coding not recognized The rotor slows down braked until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Magnetic code on the rotor is defective see pg 91 chapter 11 1 Electronics A1 is defective ROTORCODE 10 2 An invalid rotor code was read in during start up Th...

Page 21: ...ains supply the rotor slows down braked until it stops Reset error code Open the lid and press the START IMPULS key The error code cannot be reset by a MAINS RESET Power failure Overtemperature switch F3 on the brake resistor R1 has opened or is defective Loose contact in the electrical wiring Electronics A1 is defective VERSION ERROR 12 Incorrect machine type and or cooling version identified No ...

Page 22: ...ct in the electrical connections Electronics A1 is defective CONTROL ERROR 22 Communication error I2 C bus The rotor slows down braked until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Electronics A1 is defective CONTROL ERROR 25 1 25 4 EEPROM Read or storage error The rotor slows down braked until it stops No further user operation pos...

Page 23: ...pt opening the lid Reset error code Perform a MAINS RESET Electronics A1 is defective C ERROR 51 Overtemperature on condenser The rotor slows down braked until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Temperature on condenser 58 C 136 F The temperature sensor B3 on the condenser is defective Measure on Electronics A1 plug S706 pin 1 ...

Page 24: ...ctronics A1 is defective Cooling is defective C ERROR 53 The temperature in the centrifuge chamber measured by the temperature sensor B1 is out of the valid range The rotor slows down braked until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET The temperature sensor B1 in the centrifuge chamber is defective Measure on Electronics A1 plug S...

Page 25: ...t Menu see pg 54 chapter 6 14 3 Electronics A1 is defective C ERROR 55 The temperature on the condenser measured by the temperature sensor B3 is out of the valid range The rotor slows down braked until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET The temperature sensor B3 on the condenser is defective Measure on Electronics A1 plug S706 ...

Page 26: ...e circuit The rotor slows down without braking until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Mains voltage is too low Admissible mains voltage see pg 97 chapter 11 4 Electronics A1 is defective FU CCI ERROR 61 2 Overvolt Frequency converter error Overvoltage The voltage in intermediate circuit is 426 V DC This error normally only oc...

Page 27: ...e rotor slows down without braking until it stops No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Overtemperature switch opens because of overtemperature in the motor Remove plug S104 and measure at the plug between pin 4 pin 5 Switch closed 0 Ω Switch opened Ω Electronics A1 is defective Motor is defective FU CCI ERROR 61 9 Overl Peak Overcurrent i...

Page 28: ...r frequency converter The rotor slows down without braking until it stops No further user operation possible Reset error code Perform a MAINS RESET Switches of the lid lock defective Check the function of both switches see chapter 6 17 item 21 Pull out plug S703 and check the function of the switches at the plug of the cable between pin 1 pin 2 left hook and pin 3 pin 4 right hook Electronics A1 i...

Page 29: ...it stops No further user operation possible Reset error code Perform a MAINS RESET Speed sensor B2 1 at the bottom of the motor defective or loose contact on plug Measure supply voltage on plug S701 Electronics A1 pin 6 pin 8 14 18 VDC Measure speedometer pulses on plug S701 Electronics A1 pin 6 pin 7 signal Electronics A1 is defective FU CCI ERROR 61 20 Faulty speed measurement of the frequency c...

Page 30: ... 130 Program memory of the frequency converter defective The rotor slows down without braking until it stops No further user operation possible Reset error code Perform a MAINS RESET Electronics A1 is defective FU CCI ERROR 61 131 Reset by Watchdog of the frequency converter The rotor slows down without braking until it stops No further user operation possible Reset error code Perform a MAINS RESE...

Page 31: ... V 100 Hz Check the function of the imbalance sensor see pg 62 chapter 6 17 item 5 Electronics A1 is defective SENSOR ERROR 93 The temperature of the imbalance sensor is out of the valid range The rotor slows down braked until it stops No further user operation possible Reset error code Perform a MAINS RESET Imbalance sensor B2 2 is defective Measure supply voltage on plug S701 Electronics A1 pin ...

Page 32: ...ttom of the motor defective or loose contact on plug Check the function of the speed sensor B2 1 see pg 62 chapter 6 17 item 6 Measure supply voltage on plug S701 Electronics A1 pin 6 pin 8 14 18 VDC Measure speedometer pulses on plug S701 Electronics A1 pin 6 pin 7 signal Electronics A1 is defective C ERROR 97 The temperature measured by the temperature sensor on the electronics A1 is out of the ...

Page 33: ...peration possible Reset error code Perform a MAINS RESET Delete all program linking multi programs see pg 68 chapter 6 18 All program linking will be canceled Electronics A1 is defective NO ROTOR OR ROTORCODE ERROR After start up no speedometer pulses will be received from the speed sensor B4 on top of the motor The rotor slows down braked until it stops No further user operation possible Reset er...

Page 34: ...n of the frequency converter is faulty No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Electronics A1 is defective FATAL EEPROM ERROR 1 5 EEPROM error No further user operation possible except opening the lid Reset error code Perform a MAINS RESET Initialise the EEPROM see pg 70 chapter 6 20 Electronics A1 is defective ...

Page 35: ... programs see pg 41 chapter 6 6 EEPROM see pg 69 chapter 6 19 and pg 70 chapter 6 20 Function test of the individual components see pg 62 chapter 6 17 Imbalance switch off see pg 59 chapter 6 15 3 Imbalance values see pg 57 chapter 6 15 1 and pg 58 chapter 6 15 2 Logged faults see pg 42 chapter 6 8 Logged events see pg 45 chapter 6 9 Number of the centrifugation runs see pg 37 chapter 6 3 Operatin...

Page 36: ... of the centrifugation data 2 Keep the PROG key pressed for 8 seconds Display after 8 seconds e g RCL 4 Machine Menu 3 Press the PROG key Info 4 Press the START key e g Rotor 4 Nmax 4500 R 184 Rotor information of the rotor last recognized by the rotor identification Rotor rotor code Nmax maximum speed of the rotor R preset centrifugation radius The last recognized rotor is marked by a star Turn t...

Page 37: ...nal operating hours and the inquiry of the number of centrifugation runs is only possible if the rotor is at standstill In the menu Operating Time it is possible to jump back to the parameter indicated before by pressing the T C key It is at any time possible to terminate the procedure by pressing the STOP OPEN key In this case the adjustments are not saved Action Display Comment 1 Switch on the m...

Page 38: ...Number of Starts 1495 Number of the centrifugation runs 9 To exit the menu press the STOP OPEN key three times Operating time Machine Menu e g 6 20 9 9 4000 5 20 Display of the centrifugation data 6 4 Set the acoustic signal The acoustic signal sounds Upon the appearance of a disturbance in 2 second intervals After completion of a centrifugation run and rotor standstill in 30 second intervals The ...

Page 39: ...splay after 8 seconds e g RCL 4 Machine Menu 3 Press the PROG key so often until the following will be displayed Settings 4 Press the START key Sound Bell off on off acoustic signal deactivated on acoustic signal activated Turn the control knob Sound Bell off on Set off or on 5 Press the START key Store settings The setting will be stored Settings 6 To exit the menu press the STOP OPEN key twice M...

Page 40: ...djustments are not saved Action Display Comment 1 Switch on the mains switch e g ROTINA 420R Centrifuge model e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Keep the PROG key pressed for 8 seconds Display after 8 seconds e g RCL 4 Machine Menu 3 Press the PROG key so often until the following will be displayed S...

Page 41: ...ss the STOP OPEN key twice Machine Menu e g 6 20 9 9 4000 5 20 Display of the centrifugation data 6 6 Set the functions Ramp Unit RCF Integral B Ramp and Multi programs These functions are not activated by default 6 7 Set the address of the centrifuge Ex works the address is set to 29 address This address may not be changed ...

Page 42: ... e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Keep the PROG key pressed for 16 seconds Display after 8 seconds Display after 16 seconds e g RCL 4 Machine Menu Service Menu 3 Press the PROG key Error History 4 Press the START key e g 00 Errorcode 06 00 last occurred fault With the PROG key the last 32 faults 00...

Page 43: ...d value of the speed sensor B2 1 at the bottom of the motor e g 00 Run time 9 00 run time e g 00 Temp act 23 C With ROTINA 420 R the parameters Temp act and Temp T1 are identical e g 00 Temp T1 23 C Temperature value of the temperature sensor B1 at the bottom of the centrifuge chamber e g 00 Temp T2 Temperature value of the temperature sensor B2 at the top of the centrifuge chamber does not exist ...

Page 44: ...ion run e g 00 OP Time int 455h29m Internal operating hours e g 00 OP Time ext 390h18m External operating hours Turn the control knob to the left until the following will be displayed again e g 00 Errorcode 06 5 Press the PROG key e g 01 Errorcode 61 01 The next fault 01 is displayed By turning the control knob to the right the parameters described above can be queried With the PROG key the last 3...

Page 45: ...le to jump back to the event indicated before by pressing the T C key It is at any time possible to terminate the procedure by pressing the STOP OPEN key Action Display Comment 1 Switch on the mains switch e g ROTINA 420R Centrifuge model e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Keep the PROG key pressed f...

Page 46: ...15 can be queried 6 Press the PROG key e g 0 Imbal Chg 286h15m 0 last setting of the imbalance switch off The displayed internal operating hours correspond to the time of the setting the imbalance switch off Turn the control knob to the right e g 1 Imbal Chg 120h00m By turning the control knob to the right the last 16 settings of the imbalance switch off 0 bis 15 can be queried 7 Press the PROG ke...

Page 47: ...ta 2 Start a centrifugation run 3 Keep the T C key pressed for 8 seconds Display after 8 seconds e g T C 10 e g Tn 10 Ta 26 Td 27 4 Press the T C key so often until the following will be displayed e g RPM Rot 4499 Field Nstell 1 4526 Rot Speed value of the speed sensor B4 on top of the motor Field Nstell 1 Field speed 1 with Software V 01 04 Slippage Field Rot 5 Press the T C key e g RPM Mot 4498 ...

Page 48: ...gram version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Open the lid 3 Keep the T C key pressed for 8 seconds Display after 8 seconds e g T C 10 e g Tn 10 Ta 26 Td 27 4 Press the T C key so often until the following will be displayed e g RPM Rot 0 Mot 0 Rot Speed value of the speed sensor B4 on top of the motor Mot Speed value of the s...

Page 49: ... procedure by pressing the STOP OPEN key In this case the adjustments are not saved Action Display Comment 1 Keep the START key and the STOP OPEN key pressed and switch on the mains switch at the same time Select Menu 2 Press the PROG key Version 3 Press the START key e g ROTINA 420 Centrifuge model Turn the control knob e g ROTINA 420 R Set the Centrifuge model 4 Press the START key Store Version...

Page 50: ...ments are not saved Action Display Comment 1 Keep the START key and the STOP OPEN key pressed and switch on the mains switch at the same time Select Menu 2 Press the PROG key so often until the following will be displayed Setup 3 Press the START key OEM Version off on off Centrifuge model is displayed on Centrifuge model is not displayed only with OEM units Turn the control knob OEM Version off on...

Page 51: ...ot saved Action Display Comment 1 Switch on the mains switch e g ROTINA 420R Centrifuge model e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Keep the PROG key pressed for 8 seconds Display after 8 seconds e g RCL 4 Machine Menu 3 Press the PROG key so often until the following will be displayed Settings 4 Press ...

Page 52: ...possible to terminate the procedure by pressing the STOP OPEN key Action Display Comment 1 Switch on the mains switch e g ROTINA 420R Centrifuge model e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Start a centrifugation run If an inquiry of the temperature values is required during the centrifugation run 3 Keep...

Page 53: ...the T C key e g Tamb 29 Tmot 34 Tamb Temperature value of the temperature sensor on the electronics A1 Tmot Temperature value of the temperature sensor in the imbalance sensor B2 2 motor temperature 6 Press the T C key e g T FC 30 T Ir T Ex T FC Temperature in the frequency converter T Ir Temperature value of an external sensor does not exist in ROTINA 420 420 R T Ex Temperature value of an extern...

Page 54: ...t is at any time possible to terminate the procedure by pressing the STOP OPEN key In this case the adjustments are not saved Action Display Comment 1 Keep the START key and the STOP OPEN key pressed and switch on the mains switch at the same time Select Menu 2 Press the PROG key so often until the following will be displayed Setup 3 Press the START key OEM Version off on 4 Press the PROG key T2 S...

Page 55: ...replacing a temperature sensor after changing the software of the control processor after deleting the EEPROM after replacing the Electronics A1 In order to prevent measuring errors during the temperature measurement a constant temperature should be at the temperature sensors during the offset compensation The offset compensation is only possible if the rotor is at standstill and the lid is opened...

Page 56: ...ettable in steps of 0 5 C 4 Press the PROG key e g T3 C 24 0 25 5 1 5 T3 C Temperature value of the temperature sensor B3 on the condenser C in degree Celsius F in degree Fahrenheit Setting the temperature unit see chapter Set the temperature unit 24 0 Temperature measured by the temperature sensor B3 25 5 corrected temperature actual temperature 1 5 Offset value Turn the control knob Measure the ...

Page 57: ...entrifuge model e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 2 Keep the PROG key pressed for 16 seconds Display after 8 seconds Display after 16 seconds e g RCL 4 Machine Menu Service Menu 3 Press the PROG key so often until the following will be displayed Imbal History 4 Press the START key e g 0 RC 6 XmYm 4 4 ...

Page 58: ... the current and the maximum imbalance values is possible if the rotor is at standstill or during the centrifugation run It is possible to jump back to the previous display by pressing the PROG key It is at any time possible to terminate the procedure by pressing the STOP OPEN key Action Display Comment 1 Switch on the mains switch e g ROTINA 420R Centrifuge model e g V 01 01 Program version e g R...

Page 59: ... switch off A change of the imbalance switch off affects all rotors The imbalance switch off is specified by the indication of the difference in weight of opposite rotor positions In the factory the imbalance switch off will be adjusted with rotor 4723 With swing out rotors all rotor positions must be lined with identical hangers By a test run with empty rotor and that for the rotor specified swit...

Page 60: ...s the START key e g Imbal corr 100 Adjusted value of the imbalance switch off Default 100 Turn the control knob e g Imbal corr 100 The imbalance switch off can be readjusted in increments of 1 within the range of 40 to 30 Increase the value Switch off takes place with a higher weight Decrease the value Switch off takes place with a lower weight 4 Press the START key Store Imbal corr The setting wi...

Page 61: ... key pressed and switch on the mains switch at the same time Select Menu 2 Press the PROG key so often until the following will be displayed Setup 3 Press the START key OEM Version off on 4 Taste PROG so oft drücken bis folgende Anzeige erscheint Baudrate 9600 19200 Transmission rate baud rate of the serial interface Default 9600 Turn the control knob Baudrate 9600 19200 Set 9600 or 19200 5 Press ...

Page 62: ...ssed and switch on the mains switch at the same time Select Menu 2 Press the PROG key so often until the following will be displayed Test 3 Press the START key e g 00 Software Version 01 01 Program version 4 Press the PROG key 01 Display Full Blank Turn the control knob one step to the left Function test of the LC display All segments of the display light up Turn the control knob one step to the r...

Page 63: ...ht 04 LED Open on Left LED in the STOP OPEN key lights up Turn the control knob one step to the right 04 LED Start on LED in the START key lights up Turn the control knob one step to the right 04 LED Precool on LED in the key lights up Turn the control knob one step to the right 04 LED RCF on LED in the RCF key lights up Turn the control knob one step to the right 04 LED Prog on Has no function wi...

Page 64: ...unctions o k Appears only if all keys on the operating panel were pressed and have function If a key should not function then the control knob must be turned one step to the right so that the function test can be continued 18 Press the PROG key 06 Error LED off Function test of the yellow error LED of the control processor on the electronics A1 Turn the control knob one step to the right 06 Error ...

Page 65: ...ned Mc Position switch Mc of the motor driven lid lock for position lid closed Function test of the lid switches for the hooks Close the lid Kl and Kr must indicated 1 22 Press the PROG key e g 10 T Cond Kond 1 26 C 2996mV Temperature value of the temperature sensor B3 at the condenser 23 Press the PROG key e g 11 T Lid Deckel 1 Temperature value of the temperature sensor B2 at the top of the cent...

Page 66: ... key 21 Cooling unit off Function test of the compressor 21 Cooling unit on Compressor switched on Turn the control knob one step to the right Caution The fan is not working and the temperature of the condenser will not be checked Do not switch on the compressor longer than 5 seconds The time between switching off and switching on the compressor again must be minimum 1 minute 34 Press the PROG key...

Page 67: ...he spare relay Turn the control knob one step to the right 25 Relay Relais 1 Res on Spare relay is switched on by default not equipped 38 Press the PROG key e g 26 Mains Sync 50 Hz Mains synchronisation 39 Press the PROG key 27 Cooling Fan Power 0 Function test of the fan at the condenser Turn the control knob to the right e g 27 Cooling Fan Power 40 Fan at the condenser is switched on The speed i...

Page 68: ... until the following will be displayed Eeprom 3 Press the START key Eeprom Read 4 Press the PROG key so often until the following will be displayed Erase Single Progs no or Erase Multi Progs no Single Progs Programs Multi Progs Program linking It is possible to jump back to the previous display by pressing the T C key Turn the control knob one step to the right Erase Single Progs yes or Erase Mult...

Page 69: ...the contents of the memory cells of the EEPROM The display of the contents of the EEPROM memory cells is only possible if the rotor is at standstill It is at any time possible to terminate the procedure by pressing the STOP OPEN key Action Display Comment 1 Keep the START key and the STOP OPEN key pressed and switch on the mains switch at the same time Select Menu 2 Press the PROG key so often unt...

Page 70: ... is initialized the centrifuge model the setting of the imbalance switch off and the offset values of the temperature sensors are deleted The centrifuge model the offset values and the imbalance switch off must be set again after the initialization Recommendation Note the adjusted imbalance value and the offset values of the temperature sensors before initializing and enter afterwards again The in...

Page 71: ...ROM is initialised and afterwards the Select Menu will be terminated e g ROTINA 420R Centrifuge model e g V 01 01 Program version e g Rotor 4 Nmax 4500 R 184 Rotor information e g 6 20 9 9 4000 5 20 Display of the centrifugation data 6 21 Automatic repetition of the centrifugation run For test purposes the automatic repetition of the centrifugation run can be selected The number of centrifugation ...

Page 72: ...ored If the number of the performed centrifugation runs should not be indicated or deleted continue with step 7 5 Press the PROG key e g Run 5 Start Clear Number of the carried out centrifugation runs of the last test run If the number of the performed centrifugation runs should not be deleted continue with step 7 6 Press the START key Runs cleared The number of the carried out centrifugation runs...

Page 73: ...formation about all necessary installation steps and sets up the program on the PC On the desktop the HettichFlash symbol will be generated 7 2 Perform a software update After a software update the centrifuge model the setting of the imbalance switch off and the offset values of the temperature sensors are deleted The centrifuge model the offset values and the imbalance switch off must be set agai...

Page 74: ...e e g H386 File Rotina420_V01_03 H86 and the desired software version e g SW Version V 01 03 09 is displayed 12 Click on the button Program Flash The progress of the update is indicated with a bar line display and a counter After successful update flashprogramming successful completed is displayed 13 Click on the button Exit to exit the program 14 Switch off the mains switch and disconnect the cen...

Page 75: ...d Zubehör Rotors and accessories Imbalance switch off Values see repair instructions pg 59 chapter 6 15 3 Current consumption Values see repair instructions pg 97 chapter 11 4 After the test run a safety test must be carried out Check the following values Insulation resistance 2 MΩ Protective conductor resistance 0 2 Ω Leakage current 3 5 mA limit according to EN 61010 1 A laboratory centrifuge do...

Page 76: ...on Appliance plug without line filter only 120 V version 23 ON OFF switch ROTINA 420 24 ON OFF switch ROTINA 420 R 25 Transformer only 120 V version 26 Circuit breaker only 120 V version 27 Electronics ROTINA 420 Electronics ROTINA 420 R 28 Supporting sheet for Electronics 29 Flat ribbon cable 20 pole 30 Brake resistor with overtemperature switch 31 Compressor only ROTINA 420 R 32 Starting relay o...

Page 77: ...41 E3241 13 E961 E961 14 E2866 E2866 15 E967 E967 16 E2753 E2753 17 E2174 E2174 18 E2745 E2745 19 E2743 E2743 20 E2752 E2752 21 E732 E732 22 E1013 E1013 23 E1007 10 amp 24 E1817 18 amp 25 E2859 E2859 26 E2941 E2941 27 E2765 E2858 28 202 01 07 01 1 202 01 07 01 1 29 E2863 E2863 30 E2861 E2861 31 E2864 32 E2881 33 E2884 34 E2742 35 E2061 36 5888 NO E 37 3651 NO E 38 E2141 E2141 39 E2760 E2760 40 E27...

Page 78: ...77 97 Fig 2 Fig 3 3 1 5 4 6 7 a b d 13 16 18 17 19 21 22 30 25 23 38 21 20 b a c d ...

Page 79: ...78 97 Fig 4 Fig 5 8 6 3 5 2 4 a b c d 14 15 18 16 17 35 19 34 21 20 21 22 33 36 24 31 32 25 38 30 37 a b c d e 33 1 32 1 Bei Ausführung 120 V ...

Page 80: ...79 97 Fig 6 Fig 7 Fig 8 9 10 12 11 7 8 a b 29 28 27 26 41 43 44 41 39 42 40 42 45 a c b d d ...

Page 81: ...oling Press push the front panel upwards out of the guide rail Pull the flat ribbon cable on the operating panel A2 Remove the front panel To mount the front panel carry out these steps in opposite order 10 2 Removing the support sheet of the electronics A1 Remove the front panel as described in chapter 10 1 pg 80 Unscrew each 3 screws Fig 9 a on the left and on the right at the support sheet Loos...

Page 82: ...oving the upper part of the centrifuge housing 2 persons are needed Remove the front panel and the support sheet for electronics A1 as described in chapters 10 1 10 2 pg 80 Pull both plugs S703 and S707 of the lid lock on the electronics A1 see pg 93 chapter 11 3 Remove all required fixations of the cables Unscrew the fastening screws of the upper part of the centrifuge housing 4 screws pg 77 Fig ...

Page 83: ...heck the 3 rubber metal bearings for possible wear or cracks and replace them if necessary If one rubber metal bearing is damaged all 3 rubber metal bearings must be replaced While mounting the rubber metal bearings make sure that there is an anti twist device pg 77 Fig 3 item 21 pg 78 Fig 5 item 21 on both sides of the bearing to prevent it from turning To mount the motor carry out these steps in...

Page 84: ...in opposite order 10 7 2 Replacing the left lid lock Remove the lid lock as described in chapter 10 7 1 Suspend the tension spring pg 79 Fig 8 item 46 on one side Remove all fixations of the two cables at the left and the right lid lock and unplug the plug on the right lid lock Unscrew the fastening screw pg 79 Fig 8 a Exchange the left lid lock Assemble in opposite order 10 7 3 Replacing the righ...

Page 85: ...site order 10 7 5 Replacing the sliding blocks Remove the lid lock as described in chapter 10 7 1 pg 83 Use the hexagon pin driver to turn the eccentric disc pg 79 Fig 8 item 42 until the hexagon socket points upwards Unscrew the two fastening screws pg 79 Fig 8 a and b and remove the connecting rod pg 79 Fig 8 item 47 Push the steel pin pg 79 Fig 8 d from behind out of the sliding block pg 79 Fig...

Page 86: ...pg 80 Unscrew the 3 fastening angles S 79 Fig 6 a of the operating panel Take the operating panel out of the front panel from the front If required exchange the plastic frame of the operating panel A2 Unscrew the 9 fastening screws S 79 Fig 6 b and then remove the printed circuit board S 79 Fig 6 item 10 To mount the operating panel A2 carry out these steps in opposite order 10 10 Rotary encoder S...

Page 87: ...nsor B1 at the bottom of the centrifuge chamber only in centrifuges with cooling Remove the front panel and the support sheet for electronics A1 as described in chapters 10 1 10 2 pg 80 Pull the plug S704 on the electronics A1 see pg 93 chapter 11 3 Remove all cable fastening elements on the cable of the temperature sensor B1 Dismount the rotor Undo the 4 screws pg 77 Fig 3 a pg 78 Fig 5 a on the ...

Page 88: ...upport sheet for electronics A1 as described in chapters 10 1 10 2 pg 80 Remove the upper part of the centrifuge housing as described in chapter Removing the upper part of the centrifuge housing Pull the plug S904 on the electronics A1 see pg 93 chapter 11 3 Unscrew the two fastening screws of the fan Remove the fan pg 78 Fig 5 item 38 To mount the fan M3 carry out these steps in opposite order 10...

Page 89: ...capacitor pg 78 Fig 5 item 35 Pull the plugs of the starting capacitor at the starting relay Remove the fixing of the starting capacitor and remove the starting capacitor To mount the starting capacitor carry out these steps in opposite order Exchange of the starting relay pg 78 Fig 5 item 33 Pull all plugs at the starting relay Unscrew the starting relay and remove it To mount the starting relay ...

Page 90: ...10 2 pg 80 Pull the plugs on the circuit breaker pg 79 Fig 7 item 26 Press out the circuit breaker F2 from the support sheet To mount the circuit breaker F2 carry out these steps in opposite order 10 21 Packing ring Open the lid Switch off the mains switch and disconnect the centrifuge from the mains supply Pull out the packing ring pg 77 Fig 2 item 6 pg 78 Fig 4 item 6 from the gap between the ce...

Page 91: ...of the centrifuge Hold the lid with the hand and loosen the stop spring of the connecting pin at the lid Press the opened lid slightly to the back in order to relieve the connecting pin and take out the connecting pin Hold the lid with your hand as the force of one gas spring is not sufficient to keep the lid open Unscrew the piston rod Fig 14 b of the pneumatic spring with pliers in a counter clo...

Page 92: ...Stop combination The begin of the Start Stop combination is marked with a white dot 0 no magnet empty place 1 magnet inserted Tachometer code no Configuration RPM Rotor 0 1001 00001111 500 1 1001 00010111 3800 4758 2 1001 00011011 4600 4754 3 1001 00011101 4000 4753 4 1001 00011110 4500 4723 5 1001 01000111 14000 4760 6 1001 01010101 15000 4790 7 1001 01010110 11000 4794 8 1001 01011010 9 1001 011...

Page 93: ...ge Electronc centrifuge Zentrifuge centrifuge 1 Evaporator centrifuge chamber 2 Capillary tube 7 Air cooled condenser 9 Filter dryer flow direction vertical from top to bottom B3 Temperature sensor on condenser controlled by centrifuge electronics M2 Compressor ...

Page 94: ...am 11 3 1 Abbreviations of the cable colours Abbreviation Colour BK black BN brown BU blue GD gold GN green GNYE green yellow GY grey OG orange PK pink RD red SR silver TQ turquoise Transp transparent VT violet WH white YE yellow ...

Page 95: ...94 97 11 3 2 Connecting diagram ROTINA 420 420 R ...

Page 96: ...95 97 ...

Page 97: ...96 97 ...

Page 98: ... site Indoors only Altitude Up to 2000 m above sea level Ambient temperature 2 C to 35 C 5 C to 35 C Humidity Maximum relative humidity 80 for temperatures up to 31 C linearly decreasing to 50 relative humidity at 40 C Excess voltage category IEC 60364 4 443 ΙΙ Pollution degree 2 Device protection class Ι Not suitable for use in explosion endangered areas EMC Emitted interference suppression of ra...

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