OHAUS FC5706 Service Manual
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- Instruction manual (84 pages) ,
- User manual (11 pages) ,
- User manual (128 pages)
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Summary of Contents for OHAUS FC5706
- Page 1 SERVICE MANUAL FC5706 CENTRIFUGE Ohaus Corporation 7 Campus Drive, Suite 310, Parsippany, NJ 07054, USA +1 973 377 9000...
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Page 3: Table Of Contents
Transport and packing of FC5706 ................1-5 1.6.1 Transport ......................1-5 1.6.2 Packing ......................1-5 Technical Data ......................1-5 1.7.1 Acceleration and Deceleration Times FC5706 ..........1-5 1.7.2 Imbalance Shut Off Data FC5706 ..............1-5 1.7.3 Specifications ....................1-6 Service Instructions ....................1-7 1.8.1 General Technical Descriptions ...............1-7 1.8.2 Electrical and Electronic Components .............1-9... - Page 4 3.5.1 Error Message: Cause/Solution ..............3-16 3.5.2 Possible Error Message and Their Solutions ..........3-16 3.5.2.1 Lid Release during Power Failure ............3-16 3.5.2.2 Descriptions of the Error Message ............3-17 Error Codes......................3-18 FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com...
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Page 5: Chapter 1 Getting Started
CHAPTER 1 GETTING STARTED INTRODUCTION This service manual contains the information needed to perform routine maintenance and service on the Ohaus centrifuge model FC5706. Before servicing the equipment, you should be familiar with the Instruction Manual which is packed with every equipment. -
Page 6: Safety Precaution
1.3.2 Rotor and Accessories Only OHAUS original rotors and accessories shall be used. Any other use or intended use is considered improper. OHAUS is not liable for damage resulting from improper use. CAUTION: Read all safety warnings before installing, making connections, or servicing this equipment. -
Page 7: Exclude The Following Environment Influence
During centrifugation, the presences of people are prohibited within 30 cm around the centrifuge according to the regulations of EN 61010-2-020. FC5706 is not explosion-proof and must therefore not be operated in explosion-endangered areas or locations. Centrifugation of flammable, explosive, radioactive, or such substances, which ... -
Page 8: Service Facilities
TOOLS AND TEST EQUIPMENT REQUIRED 1.5.1 Standard Tools and Test Equipment 1. Flat and Philip screws drivers, tweezers, adjustable open wrenches and socket set (with drive socket sets from 4mm-14mm, Ratchet and drive extension bar.) Ohaus Corporation www.ohaus.com FC5706 Service Manual... -
Page 9: Transport
Acceleration time Deceleration time from 0 min -> U from U -> 0 min 1.7.2 Imbalance shut-off data FC5706 (120V / 230 V ) Rotor- Shut off speed (approx. Permitted imbalance in Imbalance shut-off in gram number values) in rpm... -
Page 10: Specifications
CHAPTER 1 GETTING STARTED 1.7.3 Specifications. Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual... -
Page 11: Service Instructions
When using 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 infectious and pathogenic samples. Follow appropriate safety precautions when handling these samples. FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... - Page 12 CHAPTER 1 GETTING STARTED Equipment Redemption Form or Decontamination Certificate Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual...
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Page 13: Electrical And Electronic Components
The control board consists of one plate. 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 1: Control board FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... -
Page 14: Rotor Recognition
The switch may never be bypassed. The lid lock is unlatched by an magnet, receiving its signal from the control board. The actual state is indicated in the display (see M1, M2). Figure 3 Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual 1-10... -
Page 15: Imbalance Detection
The unit stopps when the oscillating motions are too strong. Therefore you have to follow the adjustment instructions stated by the manufacturer. FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com 1-11... -
Page 16: Lcd Display
CHAPTER 1 GETTING STARTED 1.9 LCD Display The following picture shows the individual elements of the LCD-display. Figure 4 Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual 1-12... -
Page 17: Function Label
LCD- display. Inside the time display of the control panel the error message is indicated if there occur any troubles Figure 5 FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com 1-13... -
Page 18: Chapter 2 Service Menu
Part 1 is accessible for the USER and different points can be read respectively settled. This is also described in the instruction manual. Part 2 is for internal use respectively for OHAUS trained service personnel only. 2.1.1 Activation of the Service Menu (part 1) The menu can be started as follows: ... -
Page 19: Submenu Motor Start
Activate the operation menu as described in chapter 2.1.1. Turn the potentiometer (8) until the special digit “service H“ appears in the display “acc/dec” (A-2). Figure 3 Inside the display “rpm/rcf“ (A-1) now the duty cycle is indicated. Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual... -
Page 20: Submenu Running Time
Activate the operation menu as described in chapter 2.1.1. Turn the potentiometer (1) until the special digit ”service S“ appears in the display „acc/dec” (A-2). Figure 5 In the display “rpm/rcf“ (A-1) the actual software status is indicated now. FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... -
Page 21: Submenu Error Memory
Now the last 99 occurred error messages are indicated in the display “rpm/rcf“ (A-1). Whereas the first two digits describe the place number and the last two digits do describe the occurred error. Look at chapter 3.5 "Errors that may be indicated in the LCD display". Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual... -
Page 22: Submenu Keyboard Test
By pressing the key “RPM/RCF“ (4) the menu is activated. Turn the potentiometer until the words „on“ or „off“ are indicated in the display “rpm/rcf“ (A-1). on = imbalance sensor is activated off = imbalance sensor is deactivated FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... -
Page 23: Activation Of The Service Menu (Part 2)
Now you are asked for a code in the display “rpm/rcf“ (A-2) – adjust the code “9876“ with the potentiometer (8) and press once again the key stop (3). Figure 9 Now you can carry out the below shown adjustments: Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual... -
Page 24: Centrifuge Model
Activate the operation menu as described under 2.2 „Activation of the service menu (Part 2)“. Press the button "accel/decel" (5). Turn the potentiometer (8) until the special digit „n“ appears in the display "acc/dec" (A-2). FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... - Page 25 "start" to store all parameters. Otherwise 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. Figure 12 Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual...
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Page 26: Chapter 3 Maintenance Procedures
Due to humidity or not hermetically sealed samples, condensate may be formed. The condensate has to be removed from the rotor chamber with a soft cloth regularly. FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... -
Page 27: Cleaning And Disinfection Of The Unit
5. Dry the rotor cone with a soft, dry and lint-free cloth and look for damage. Do not grease the rotor cone. 6. Place the dry motor onto the motor shaft. Pull the rotor nut tight by using the rotor-key. Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual... -
Page 28: Disinfection Of Aluminum Rotor
Bottles, boxes and rotors may be treated with the usual liquid disinfectants. Attention: Before applying a different decontamination method than recommended by the manufacturer, contact the manufacturer to ensure that it will not damage the unit or the rotor. FC5706 Centrifuge Service Manual Ohaus Corporation www.ohaus.com... -
Page 29: Glass Breakage
Transparent rotor lids and caps made of PC or PP as well as rotors, tube racks and adapters of PP have a maximum service life up to 3 years from first use. Condition for the operating life: Proper use, damage-free condition, recommended care. Ohaus Corporation www.ohaus.com FC5706 Centrifuge Service Manual... -
Page 30: Mounting Support
Replacing the incremental shaft encoder (potentiometer) Remove the cap on top of the incremental shaft encoder (see figure 23). With a socket wrench you can loosen the fastening nut. (socket wrench size 10mm) Ohaus Corporation www.ohaus.com 3-11 FC5706 Service Manual... -
Page 31: Replacing The Display
Loosen all electrical contacts to the display on the back of the front housing. Remove the 4 fastening screws of the display and pull away the display upwards. remov Figure 4 Ohaus Corporation www.ohaus.com 3-10 FC5706 Service Manual... -
Page 32: Replacing The Foil Key Board
Remove all screws on the lower side of the housing. Remove the housing upwards and remove all relevant electrical contacts on the control board. Reassemble the unit in reverse order. Left side of Centrifuge Right side of Centrifuge Figure 5 Ohaus Corporation www.ohaus.com 3-11 FC5706 Service Manual... -
Page 33: Replacing The Rotor Chamber Or Lid Gasket
(see figure 27) Place the new lid gasket on the plastic ring. Take care that the fixing points are at the back of the chamber. Reassemble the unit in reverse order. Figure 6 Ohaus Corporation www.ohaus.com 3-10 FC5706 Service Manual... -
Page 34: Removing The Lid
Reassemble 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 Ohaus Corporation www.ohaus.com 3-11 FC5706 Service Manual... -
Page 35: Replacing The Motor
Turn the motor fixing screws out of the rear side of the ground plate. Lift the motor out of the unit. When re-assembling the spare motor, take care of the wirings, as they must not be jammed. Re-assemble the unit in reverse order. Ohaus Corporation www.ohaus.com 3-10 FC5706 Service Manual... -
Page 36: Replacing The Power Board/Control Board
It is possible to adjust/correct the imbalance cut off value see chapter 2.2.2. • Should appear any difficulties with the imbalance, please give us an exact description of it as well as the serial number of the unit and the rotor type. Ohaus Corporation www.ohaus.com 3-11 FC5706 Service Manual... -
Page 37: Replacing The Imbalance (Movement Sensor) And Speed Sensor
• Remove the fixing screws on the housing and put in the new lid lock. • Make sure that the lid rests on the lid gasket straight and continuous while fastening. Tighten the fastening screws firmly after the replacement. Ohaus Corporation www.ohaus.com 3-10 FC5706 Service Manual 3-12... -
Page 38: Adjustment Of 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 housing is about 8 mm to 4 mm. Ohaus Corporation www.ohaus.com 3-11 FC5706 Service Manual 3-13... -
Page 39: Major Internal Cable Connection
B= From/To Connector, Power B) Rectifier, Bridge connections: C= From Transformer (Red cables) D= From/To main PCBA (RED and BLACK cables) Note: kindly take note on the color and position of the cable connections. Ohaus Corporation www.ohaus.com 3-10 FC5706 Service Manual 3-14... - Page 40 B2 (Blue)= to Main PCBA point X21.6 Main PCBA connection: A= (Black/Red) from Motor B= (Black/Red) from Rectifier, Bridge = (White) from Transformer C= From Motor Lid Lock connection: A=Black Cable B=Gray Cable Ohaus Corporation www.ohaus.com 3-11 FC5706 Service Manual 3-15...
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Page 42: Trouble Shooting
• Put the string and the plastic stopper back again. • Switch the centrifuge on again, for go on working. Warning: Don't put your hands in the rotor chamber as long as the rotor is still spinning! FC5706 Centrifuge Service Manual 3-12 Ohaus Corporation www.ohaus.com 3-16... - Page 43 3.5.2.2.1 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“ is indicated in the display (see figure 34). Figure 13 Ohaus Corporation www.ohaus.com 3-13 FC5706 Centrifuge Service Manual 3-17...
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Page 44: Error Codes
"CLOSE Lid". converter), motor is blocked, control unit is defective, frequency converter is defective. Open lid while the motor is Control switch of the lid lock running is defective FC5706 Centrifuge Service Manual 3-12 Ohaus Corporation www.ohaus.com 3-18... - Page 45 Over speed Transmission error, firmware error, frequency converter us defective. Intermediate circuit under voltage Motor defective, control board defective Relay hang-up Relay K1 and K2 of the control board is defective Ohaus Corporation www.ohaus.com 3-13 FC5706 Centrifuge Service Manual 3-19...
- Page 47 ™ Registered trademark of Ohaus Corporation. The information contained in this manual is believed to be accurate at the time of publication, but Ohaus Corporation assumes no liability arising from the use or misuse of this material. Reproduction of this material is strictly prohibited.
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