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OHAUS Frontier FC5515R, Руководство по обслуживанию

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CHAPTER 1  GETTING STARTED 

Ohaus Corporation  www.ohaus.com 

1-14 

FC5515R Centrifuge Service Manual 

 1.8.2  Electrical and Electronic Components 

1.8.2.1 Power Board  

The power board is serving the low voltage supply of the centrifuge control system. 
The power board is electrically isolated and has a dielectric strength of DC 2.2 kV. 

 

 

 

Figure 1: Power board 

1.8.2.2 Control Board. 

The control board consists of one PCBA. The board can only be exchanged completely. If there 
is a defect you have to exchange the complete board. 

All signal lines lead to the control board. 

The PCB controls the entire centrifuge. 

 

Figure 2: Control board 

 

1-12 

Содержание Frontier FC5515R

Страница 1: ...SERVICE MANUAL FC5515R CENTRIFUGE Ohaus Corporation 7 Campus Drive Suite 310 Parsippany NJ 07054 USA 1 973 377 9000...

Страница 2: ......

Страница 3: ...515R 1 7 1 7 2 Imbalance Shut off Data FC5515R 120 230V 1 7 1 7 3 Lowest Temperature FC5515R 120V 230V in min sec 1 7 1 7 4 Specifications 1 8 1 8 Service Instructions 1 9 1 8 1 General Technical Desc...

Страница 4: ...fection of PP Rotor 3 3 3 1 6 Glass Breakage 3 4 3 2 Service Life of Rotors Round and Rectangular Buckets Accessories 3 4 3 3 Front Housing 3 5 3 3 1 Replacing the Front Housing 3 5 3 3 2 Replacing th...

Страница 5: ...tem 3 19 3 5 1 Functional Description of the Cooling System 3 19 3 5 2 Refrigeration Scheme 3 19 3 5 3 Emptying and Filling Refrigeration System 3 20 3 6 Trouble Shooting 3 22 3 6 1 Error Message Case...

Страница 6: ...ay lead to personal injury damage to the instrument malfunctions and false results The degree of danger is a part of a safety note and distinguishes the possible results of non observance from each ot...

Страница 7: ...used Any other use or intended use is considered improper OHAUS is not liable for damage resulting from improper use 1 3 3 Measures for your protection 1 2 CAUTION Read all safety warnings before ins...

Страница 8: ...should only be performed by authorized personnel 1 3 6 Danger and precautions To protect people and the environment the following precautions should be observed During centrifugation the presences of...

Страница 9: ...e lid of the centrifuge while the rotor is still running or rotating with a speed of 2m s 1 4 SERVICE FACILITIES To service a centrifuge the service area should meet the following requirements Area mu...

Страница 10: ...ure safe storage and transports The rotor should be packed separately It is recommended that three or more people should lift the FC5515R Please refer to section 1 6 4 for details about how to lift it...

Страница 11: ...entrifuge on in order to avoid damage to the compressor 2 Check that the mains voltage and frequency match the requirements on the device name plate see rear side of the device and then connect the de...

Страница 12: ...r Shut off speed approx values in rpm Permitted imbalance in gram Imbalance shut off in gram 30130870 14500 3 4 30130871 8600 3 4 30130872 12700 2 3 30130879 8700 4 5 30130873 8200 5 6 1 7 3 Lowest te...

Страница 13: ...CHAPTER 1 GETTING STARTED Ohaus Corporation www ohaus com 1 6 FC5515RCentrifuge Service Manual 1 7 4 Specifications 1 8...

Страница 14: ...ertificates should be available before servicing the equipment Remove all power connections to the unit before opening Electrical shock hazards exist within the housing The housing should only be open...

Страница 15: ...sing chemicals and solvents comply with the instructions of the producer and the general lab safety rules The centrifuge is not sealed Use suitable protection measures when using the centrifuge for in...

Страница 16: ...CHAPTER 1 GETTING STARTED FC5515R Centrifuge Service Manual 1 15 Ohaus Corporation www ohaus com Equipment Redemption Form or Decontamination Certificates 1 11...

Страница 17: ...f the centrifuge control system The power board is electrically isolated and has a dielectric strength of DC 2 2 kV Figure 1 Power board 1 8 2 2 Control Board The control board consists of one PCBA Th...

Страница 18: ...d in the TIME display as an error no See chapter 3 5 1 8 2 4 Rotor Recognition The centrifuge will recognize the inputted rotor through the set up in the control panel As soon as the lid get closed th...

Страница 19: ...o switch in the mechanism of the lid lock controls the correct closing of the centrifuge lid The switch may never be bypassed The lid lock is unlatched by an electro motor receiving its signal from th...

Страница 20: ...ction The imbalance detection is effected by a movement sensor which is mounted in the motor and is controlling the oscillating motion of the motor The unit stops when the oscillating motions are too...

Страница 21: ...GETTING STARTED Ohaus Corporation www ohaus com 1 14 FC5515R Centrifuge Service Manual 1 9 LCD Display The following picture shows the individual elements of the LCD display Figure 6 FC5515R LCD Disp...

Страница 22: ...e by pressing a key and which are indicated in the LCD display Inside the time display of the control panel the error message is indicated if there occur any troubles Figure 7 FC5515R Function Label 1...

Страница 23: ...vely for OHAUS trained service personnel only 2 1 1 Activation of the Operation Menu part 1 The menu can be started as follows Open lid of the centrifuge and switch off main switch Press the key time...

Страница 24: ...essing the key accel decel 5 you will get to the submenus Figure 11 Figure 10 Enter to Service Mode Now in the display acc dec A 2 the word service M12 will flash when you press Accel Decel 5 and serv...

Страница 25: ...service A appears in the display acc dec A 2 The motor starts cycle will indicated in the display rpm rcf A 1 see Figure 11 Figure 11 Submenu Motor Starts Cycle 2 1 3 Submenu Duty Cycle Here you can...

Страница 26: ...e h appears in the display acc dec A 2 The motor running time will indicate in the display rmp rcf A 1 see Figure 13 Figure 13 Submenu Motor Runing Time 2 1 5 Submenu Software Version Here you can rea...

Страница 27: ...mp rcf A 1 see Figure 15 Figure 15 Submenu Software Vesion of the Frequency Converter 2 1 7 Submenu Error Memory Here the last 99 occurred error messages can be indicated Activate the operation menu a...

Страница 28: ...d you can setup the respective option with the potentiometer 12 Now the audible sound is activated resp not activated by the end of the run or when an error message will occur Note In case that the lo...

Страница 29: ...key rpm rcf 4 the display rpm rcf A 1 is now activated and you can setup the respective option with the potentiometer 12 Now the keypad tone is either activated or not activated Note In case that the...

Страница 30: ...ional Here you can setup the volume of in case the loudspeaker is activated Activate the operation menu as described in chapter 2 1 1 Turn the potentiometer 12 until the special digit service u appear...

Страница 31: ...e indicated 2 1 11 Submenu Setup of the Signal Melody Here you can setup the volume of the loudspeaker in case the signal generator is activated Activate the operation menu as described in chapter 2 1...

Страница 32: ...n the display rpm rcf A 1 the value of the imbalance sensor and the word StorE are indicated Figure 24 Store 2 1 12 Submenu Check of the Imbalance Sensor Here you can check the imbalance sensor Activa...

Страница 33: ...e motor Figure 26 Display Error Message 2 1 13 Submenu Keyboard Test The keyboard test is used for checking the correct function of the foil keyboard Activate the operation menu as described in chapte...

Страница 34: ...imbalance sensor but cannot make any changes since this is factory pre set Activate the operation menu as described in chapter 2 1 1 Turn the potentiometer 12 until the special digit service d appear...

Страница 35: ...nu you have to press the key stop 11 for longer than one second Now you are asked for a code in the display rpm rcf A 2 adjust the code 9876 with the potentiometer 12 and press once again the key stop...

Страница 36: ...can see the operation stored on the control board Activate the operation menu as described in chapter 2 1 1 Activate the service menu as described in chapter 2 2 Turn the potentiometer 12 until the s...

Страница 37: ...r the correction there is another check indispensable You have to make several tests Activate the operation menu as described under 2 1 1 Activation of the operation menu Part 1 Activate the operation...

Страница 38: ...CHAPTER 2 SEVICE MENU Ohaus Corporation www ohaus com 2 16 FC5515R Centrifuge Service Manual Figure 33 Store...

Страница 39: ...line solutions e g salt water phenol halogenated hydrocarbons Cleaning units rotors accessories Turn the device off and disconnect it from the power supply before you begin any cleaning or disinfectin...

Страница 40: ...the power cord with a damp cloth 6 Wash the rubber seals and rotor chamber thoroughly with water 7 Rub the dry rubber seals with glycerol or talc to prevent these to becoming brittle Other components...

Страница 41: ...s to plastic materials at ambient temperatures But at the high temperatures of the autoclaving those residues may corrode and destroy the plastic The objects must be thoroughly washed up with distille...

Страница 42: ...tremely pollute the rotor chamber the rotor the buckets and the samples If necessary replace the adapters tubes and accessories to avoid further damages Check the rotor bores regulary for residues and...

Страница 43: ...al shaft encoder potentiometer and the display 3 3 1 Replacing the Front Housing Remove the front cover by turning out the two screws near the lid lock and the two front cover screws see figure 34 Pul...

Страница 44: ...entiometer Remove the cap on top of the incremental shaft encoder see figure 35 With a socket wrench you can loosen the fastening nut socket wrench size 10mm Loosen all electrical contacts to the shaf...

Страница 45: ...ull the display upwards 3 3 4 Replacing the foil Key Board Remove the incremental shaft encoder and the display Peel off the defective foil keyboard and clean the remaining glued joints Glue the new f...

Страница 46: ...ohaus com 3 6 FC5515R Centrifuge Service Manual 3 3 5 Removing the Housing Remove the back wall plate and its electrical ground Remove the front cover as described in chapter 3 3 1 3 8 Figure 38 Remo...

Страница 47: ...he mounting always with this glued ends You can use a small allan key Push it between sealing and rotor chamber Pull the sealing in a circular movement towards the chamber s center 3 3 7 Removing the...

Страница 48: ...ening screws firmly after the adjustment 3 3 9 Replacing the motor resp the motor rubber bearings Remove the rubber motor covering Therefore remove the front housing as described in chapter 3 3 1 Remo...

Страница 49: ...e housing Reassemble the unit in reverse order 3 3 10 Replacing the motor rubber bearings Remove the covering of the front housing as described in chapter 3 3 1 Remove the motor as described in 3 3 9...

Страница 50: ...our fixings screws 3 3 12 Replacing the Frequency Converter Remove the covering of the front housing as described in chapter 3 3 1 Remove both mount screws of the assembling plate and turn it by 180 s...

Страница 51: ...r and speed sensor Remove the covering of the front housing as described in chapter 3 3 1 Remove the motor as described in chapter 3 3 9 Lay the motor down on its side and remove the two fixing screws...

Страница 52: ...ntrol board and connect it Reassemble the unit in reverse order 3 3 17 Replacing the Break Resistance Remove the front cover as described in chapter 3 3 1 Remove the housing as described in chapter 3...

Страница 53: ...panel see below picture Go with a flat sharp item knife or screwdriver under the signal transmitter and lift it up with slight efforts Fix the new signal transmitter with double sided adhesive tape an...

Страница 54: ...the lid 2 Put some washers underneath of the lid lock in that way that the lid latch is centric to the closing bar 3 Adjust the height of the lid lock that the distance between the lid up to the hous...

Страница 55: ...and back plate are grounded Power switch connection to Frequency converter PCBA Imbalance sensor cable connection to Frequency converter PCBA Grounding Make sure that all grounding cables are properl...

Страница 56: ...CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www ohaus com 3 6 FC5515R Centrifuge Service Manual Connector connection on Main PCBA 3 18...

Страница 57: ...us of operation As soon as the required pre set temperature is reached the compressor will switch off When the temperature rises again the compressor will switch on again The response time of the comp...

Страница 58: ...the suction plant to the valve Remove the refrigerant from the system You can now perform necessary repairs Filling the refrigeration system Connect the vacuum pump the manometer combination and the r...

Страница 59: ...CHAPTER 3 MAINTENANCE PROCEDURES FC5515R Centrifuge Service Manual 3 7 Ohaus Corporation www ohaus com 3 21 Figure 55 Manometer combination vacuum pump refrigerant bottle...

Страница 60: ...solutions 3 6 2 1 Lid release during power failure In case of power failure or malfunction the lid of the centrifuge can be opened manually in order to protect your samples Please proceed as follows S...

Страница 61: ...ce Manual 3 7 Ohaus Corporation www ohaus com 3 6 2 2 Description of the error message system The error message is shown in the time display through particular numbers At the same time the word error...

Страница 62: ...y converter motor is blocked control unit is defective frequency converter is defective 33 Open lid while rotor is running Lid has been opened during rotating with the emergency release control switch...

Страница 63: ...et by watch dog start a trial with direction of rotation error program memory CRC error 55 Overspeed Transmission error firmware error frequency converter us defective 70 Timeout at control unit throu...

Страница 64: ......

Страница 65: ...021 Ohaus Corporation all rights reserved Registered trademark of Ohaus Corporation The information contained in this manual is believed to be accurate at the time of publication but Ohaus Corporation...

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