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OHAUS Frontier FC5714, Service Manual, Page: 1 / 43

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Service Manual 

for 

FC5714

 

Summary of Contents for Frontier FC5714

Page 1: ...Service Manual for FC5714...

Page 2: ...2 GETTING STARTED...

Page 3: ...on 13 1 8 2 6 Speed signal 13 1 8 2 7 Lid contact 14 1 8 2 8 Imbalance detection 14 2 SERVICE MENU 15 2 1 Activation of the operation menu 15 2 1 1 Submenu Motor starts 16 2 1 2 Submenu Duty cycle 16...

Page 4: ...OUBLE SHOOTING 36 4 1 Error messages Cause Solution 36 4 2 Survey of possible error messages and their solutions 36 4 2 1 Lid release during power failure 36 4 2 2 Description of the error message sys...

Page 5: ...mage 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 other Signal Words WARNING For...

Page 6: ...es for your protection 1 2 CAUTION Read all safety warnings before installing making connections or servicing this equipment Failure to comply with these warnings could result in personal injury and o...

Page 7: ...ing precautions should be observed During centrifugation the presences of people are prohibited within 30 cm around the centrifuge according to the regulations of EN 61010 2 020 FC5714 is not explosio...

Page 8: ...al packaging Use a transport aid for transporting over longer distances 1 6 2 Packing Pack the centrifuge in reverse order using the equipment original packing 1 7 TECHNICAL DATA 1 7 1 Acceleration ti...

Page 9: ...39 2 35 1 43 1 18 1 02 0 53 0 46 0 41 0 37 0 33 30314826 12 53 6 26 4 18 3 13 2 37 2 10 1 52 1 39 1 26 1 18 30314832 6 10 0 49 0 34 0 28 0 25 0 23 0 22 0 20 0 18 0 18 1 7 3 Imbalance shut off data FC5...

Page 10: ...240 W 300 W Dimensions W D H 362 x 493 x 330 mm 14 3 x 19 4 x 13 0 in Net Weight without rotor 30 kg 66 lb Shipping Dimensions W D H 580 x 490 x 460 mm 22 8 x 19 3 x 18 1 in Shipping Weight without r...

Page 11: ...quency converter can be under voltage even when the unit is switched off Do not leave units unsupervised when parts of the housing have been removed and the unit is still connected to the main power s...

Page 12: ...e is indicated if there should occur any trouble 1 8 2 4 Frequency converter The frequency converter generates the drive signals for the asynchronous motor The converter leads the current generated by...

Page 13: ...display If the pre selected rpm is higher as the permitted rpm of the rotor the speed indication in the display will be regulated to the max speed permitted for this rotor The regulation will acceler...

Page 14: ...an electro motor receiving its signal from the control board 1 8 2 8 Imbalance detection The imbalance detection is effected by a movement sensor which is mounted in the motor and is controlling the o...

Page 15: ...dication displays flash on let go of the Time and Door Open In the display rpm rcf the stored type of the centrifuge i e 5816R and below a letter i e c is indicated for about 2 seconds The letter stan...

Page 16: ...f the duty cycle of the unit Activate the operation menu as described under Activation of the operation menu Part 1 Turn the potentiometer until the special digit H appears in the service display Now...

Page 17: ...of the frequency converter Here you can read of the software status of the frequency converter Activate the operation menu as described under Activation of the operation menu Part 1 Turn the potentiom...

Page 18: ...ignal generator audible sound Activate the operation menu as described under Activation of the operation menu Part 1 Turn the potentiometer until the special digit L appears in the service display By...

Page 19: ...n case that the signal generator is switched off the keypad tone and the audible error message will also be suppressed The keypad tone has to be switched on again after the reactivation of the signal...

Page 20: ...rcf the value of the imbalance sensor and the word StorE are indicated 2 1 10 Submenu Setup of the signal melody Here you can setup the melody at the end of the run in case the signal generator is ac...

Page 21: ...o calibrate it by pressing the key rpm rcf As a result C 115 1 will also be indicated in the top line in case the calibration has been successful Attention This setup should be done by service personn...

Page 22: ...To get access to this menu and read off the imbalance value you have to close the lid of the unit before Activate the operation menu 2 1 13 Submenu Keyboard test The keyboard test is used for checking...

Page 23: ...with automatical check check in this case off 2 2 Activation of the Service menu Part 2 By pressing the key stop for longer than one second you will be asked for a code in the display rpm rcf Adjust t...

Page 24: ...wise the setups were all for nothing If the storage has been successful in the display rpm rcf the value of the imbalance sensor and the word StorE are indicated 2 2 2 Submenu Adjustment of the operat...

Page 25: ...at the adjusted value you can increase this value by adjusting this value 0 In case the unit does not cut off until you can decrease this value by adjusting this value 0 The suitable value must be set...

Page 26: ...lay Replacing the front housing Remove the lower covering by turn out the 2 screws see photo 19 Pull the lower edge of the covering away from the mounting plate Pull the covering out of the upper guid...

Page 27: ...tal shaft encoder With a socket wrench you can loosen the fastening nut now Loosen all electrical contacts to the shaft encoder on the back of the front housing Replacing the display Loosen all electr...

Page 28: ...anel in reversed order and mount it back in the front housing 3 3 Removing the housing Remove the control panel as described in chapter 3 1 and remove the two screws on the electrical module see figur...

Page 29: ...t some points in case you want to re use the same gasket you have to loosen the glued points carefully to avoid any damage Re assemble the unit in reverse order Take care that the fixing ends are at t...

Page 30: ...emble the unit in reverse order Make sure the lid rests on the lid gasket straight and continuous Tighten the fasting screws firmly at the backside of the unit after the adjustment 3 7 Replacing the a...

Page 31: ...ly motor on the frequency converter a U2 black b V2 brown c W2 blue d Earthing Speed and imbalance sensor on the control board Remove the screws of the motor covering Lift the motor out of the unit Wh...

Page 32: ...order Take care that the motor is placed straight and centered in the rotor chamber The distance of the center of the motor shaft to the wall of the rotor chamber must be strictly adhered When tighten...

Page 33: ...mbalance sensor Movement sensor From software version 1 60 it is possible to adjust correct the imbalance value Should appear any difficulties with the imbalance please give us an exact description o...

Page 34: ...trol panel you have to do re adjust the unit as described earlier 3 13 Replacing the break resistance Remove the covering of the front housing as described in chapter 3 1 Remove the screws and the cen...

Page 35: ...itter with double sided adhesive tape and re assemble the unit in reverse order 3 15 Replacing the lid lock Remove the covering of the front housing as described in chapter 3 1 Remove the electrical s...

Page 36: ...your support OHAUS Corporation 4 2 Survey of possible error messages and their solutions 4 2 1 Lid release during power failure In case of power failure or malfunction the lid of the centrifuge can be...

Page 37: ...n memory It can also be an error in the memory of the microcontroller 14 Problem with the speed sensor Lid is closed for a certain time The blocking time is shown in the display and replaced with CLOS...

Page 38: ...or frequency converter Summary of very specific error which should normally not occur No release internal timing error system error reset by watch dog start a trial with direction of rotation error pr...

Page 39: ...n any cleaning or disinfecting Do not pour liquids into the housing interior Do spray disinfectant on the device Thorough cleaning not only has its purpose in hygiene but also in avoiding corrosion ba...

Page 40: ...en von Festwinkelrotoren beachten 4 For drying of the rotors and accessories set them on a towel Place the angle rotors with bores down to dry them to 5 Dry the rotor cone with a soft dry and lint fre...

Page 41: ...ters and the rotor chamber itself Fine glass splinters will scratch and therefore damage the protective surface coating of a rotor If glass splinters remain in the rotor chamber fine metal dust will b...

Page 42: ...42 MAINTENANCE...

Page 43: ...ohaus com 30393260 P N 30393260A 2017 Ohaus Corporation all rights reserved Registered trademark of Ohaus Corporation The information contained in this manual is believed to be accurate at the time o...

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