OHAUS FC5816 Service Manual
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OHAUS FC5816 Service Manual

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GETTING STARTED
Service Manual
for
FC5816/FC5816R
Page 1 of 53
SERVICEMANUAL
© OHAUS Corporation

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Summary of Contents for OHAUS FC5816

  • Page 1 GETTING STARTED Service Manual FC5816/FC5816R Page 1 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 2: Table Of Contents

    Table of Contents 1 GETTING STARTED ........................4 1.1 INTRODUCTION ........................4 1.2 DEFINITION OF SIGNAL WARNING AND SYMBOLS............4 1.3 SAFETY PRECAUTIONS ....................... 5 1.3.1 User ..........................5 1.3.2 Rotor and Accessories ...................... 5 1.3.3 Measures for your protection .................... 5 1.3.4 Exclude the following environmental influences ...............
  • Page 3 5.1.3 Cleaning and disinfection of the rotor ................50 5.1.4 Disinfection of aluminium-rotors ..................50 5.1.5 Disinfection of PP-rotors ....................50 5.1.5 Glass breakage ....................... 51 5.1.6 Lifetime of rotors, round and rectangular buckets, accessories ........51 Page 3 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 4: Getting Started

    1 GETTING STARTED 1.1 INTRODUCTION This service manual contains the information needed to perform routine maintenance and service on the Ohaus centrifuge model FC5816/FC5816R. Before servicing the equipment, you should be familiar with the Instruction Manual which is packed with every equipment.

  • Page 5: Safety Precautions

    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.

  • Page 6: Exclude The Following Environmental Influences

    EN 61010-2-020. • FC5816/FC5816R 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 chemically react with high energy, is strictly prohibited. The final decision on the risks associated with the use of such substances is the responsibility of the user of the centrifuge.

  • Page 7: Service Facilities

    • Use a transport aid for transporting over longer distances. 1.6.2 Packing Pack the centrifuge in reverse order using the equipment original packing. TECHNICAL DATA 1.7.1 Acceleration times FC5816(120 V / 230 V) in seconds Rotor- Number 30314821 30314826 30314827...

  • Page 8: Deceleration Times

    0:46 0:40 0:36 0:33 0:31 30314828 5:07 2:46 1:53 1:29 1:05 0:54 0:47 0:43 0:37 0:34 1.7.2 Deceleration times FC5816(120 V / 230 V) in seconds Rotor- Number 30314821 1457 30314826 1083 30314827 30314831 30314836 30314839 30314832 30314820 30314824 30314833...

  • Page 9: Imbalance Shut Off Data

    30314828 8:07 2:47 1:53 1:25 1:08 0:56 0:49 0:44 0:39 0:35 1.7.3 Imbalance shut off data FC5816(120 V / 230 V) Rotor- Shut off speed permitted Imbalance shut off Number in rpm imbalance in gram in gram 30314821 1500 30314826...
  • Page 10 GETTING STARTED FC5816R (120 V / 230 V) Imbalance adjusted with the mechanical micro switch. This rotors has to be adjusted with the mechanical micro switch. Rotor-number Shut off speed (approx. Permitted imbalance in Imbalance shut-off in values) in rpm gram gram 30314820...

  • Page 11: Specifications

    50 % relative humidity up to 35°C. Overvoltage category (IEC 60364-4-443) Degree of contamination Class of protection Not suitable for use in hazardous environments. EN/IEC 61326-1 Class B emissions, Basic immunity FCC Class B emissions Page 11 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 12 GETTING STARTED Model FC5816R Speed Range 200 rpm -16000 rpm;10 rpm/set Maximum RCF 24325 x g;10 x g/set Maximum Capacity(Rotor) 6 x 250ml Temperature range(Digital) -20~40℃ Running Time 10 sec to 99 hr 59 min 59 sec or continuous Noise level (depending on the ≤...

  • Page 13: Service Instructions

    GETTING STARTED SERVICE INSTRUCTIONS 1.8.1 General technical description Model FC5816 is a microprocessor controlled laboratory centrifuge. Model FC5816R is a cooled microprocessor controlled laboratory centrifuge. The actuation is a three phase asynchronous motor which is controlled by a frequency converter.

  • Page 14: Frequency Converter

    GETTING STARTED The control panel consists of one LCD-display, one incremental shaft encoder, the upper front housing and the foil keyboard. These parts can be exchanged separate. The incremental shaft encoder regulates all parameters which are adjustable by pressing a key and which are indicated in the LCD-display.

  • Page 15: Lid Contact

    The unit stopps when the oscillating motions are too strong. Therefore you have to follow the adjustment instructions stated by the manufacturer. Page 15 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 16: 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. Activation of the operation menu The menu can be started as follows: •...

  • Page 17: Submenu Duty Cycle

    • 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 the running time of the motor is indicated. 2.1.4 Submenu Software status Page 17 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 18: Submenu Software Status Of The Frequency Converter

    SERVICE MENU Here you can read of the software status. • Activate the operation menu as described under „Activation of the operation menu (Part 1)“. • Turn the potentiometer, until the special digit „S“ appears in the service display. Now the software status is indicated. 2.1.5 Submenu Software status of the frequency converter Here you can read of the software status of the frequency converter.

  • Page 19: Submenu Setup Of The Temperature (For Refrigerated Units Only)

    Timeout between control unit and converter other error of the converter Speed error Overspeed Setup error Rotor is not allowed in this centrifuge 2.1.7 Submenu Setup of the temperature (for refrigerated units only) Page 19 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 20: Submenu Setup Of The Signal Generator

    SERVICE MENU Here you can change the temperature unit from degree Celsius (°C) to degree Fahrenheit (°F). • Activate the operation menu as described under „Activation of the operation menu (Part 1)“. • Turn the potentiometer, until the special digit „c“ appears in the service display.

  • Page 21: Submenu Setup Of The Keypad Tone

    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. Page 21 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 22: Submenu Setup Volume Of The Signal Generator

    SERVICE MENU 2.1.10 Submenu Setup volume of the signal generator Here you can setup the volume of the loudspeaker in case the signal generator is activated. • Activate the operation menu as described under „Activation of the operation menu (Part 1)”. •...

  • Page 23: Submenu Check And Calibration Of The Imbalance Sensor

    • If the word „Error“ appears in the display, the imbalance sensor is defective and you have to replace the whole rotary encoder board (mounted on the below side of the motor). Page 23 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 24: Submenu Indication Of The Imbalance Value Of The Rotor

    SERVICE MENU Attention: In case you have to replace the motor or the rotary encoder board for any reason, a new calibration is required urgently. Attention: After all points have been reviewed and/or set up, you have to press shortly the key start to store all parameters. Otherwise the setups were all for nothing.

  • Page 25: Submenu Indication Of The Revision Number Of The Control Panel

    „rpm/rcf“. Adjust the code to “9876“ by the potentiometer and press once again the key stop. Now you can carry out the below shown adjustments 2.2.1 Submenu Adjustment of the centrifuge type Page 25 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 26: Submenu Adjustment Of The Operation Mode

    SERVICE MENU Here you can adjust the different centrifuge types that are stored on the control board. • Activate the operation menu as described under „Activation of the operation menu (Part 1)”. • Activate the service menu as described under „Activation of the service menu (Part 2)”.

  • Page 27: Submenu Adjustment/Correction Of The Imbalance Cut Off Value

    Activate the operation menu as described under 7.3.2 „Activation of the service menu (Part 2)“. • Press the button "accel/decel" (5). Turn the potentiometer (1) until the special digit „U“ appears in the display "acc/dec" (A-2). Page 27 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 28 SERVICE MENU • Press the button "rpm/rcf" (4). The display "rpm/rcf" (A-1) is now activated and you can choose the respective setup between -30 and 20 with the potentiometer (1). Attention: After all points have been reviewed and/or set up, you have to press shortly the key start to store all parameters.

  • Page 29: Mounting Support

    • Loosen the 5 screws under the control panel and pull away the panel forward. • Remove the interface cable on the control board. remove loose Photo 19 Photo 20 Photo 21 Loosen and pull away forward Page 29 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 30 MOUNTING SUPPORT Replacing the incremental shaft encoder • Remove the cap on top of the incremental 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 •...

  • Page 31: Removing The Housing And The Lid Gasket Glued

    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. (Photo 23) Page 31 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 32: Removing The Lid And The Hinges

    MOUNTING SUPPORT Photo 23 Removing the lid and the hinges Removing the lid • Remove the control panel and housing as described in chapter 3.1 and 3.2. • Open the lid as wide as possible. • Hold the lid with one hand and remove the fixing nuts of the hinges (see Photo 24). •...

  • Page 33: Removing The Hinges

    • Make sure the lid rests on the lid gasket straight and continuous. Tighten the fasting screws firmly after the adjustment. 3.5 Replacing the motor and the aerial • Remove the screws of the motor covering. • Remove the screws of the aerial. Page 33 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 34 MOUNTING SUPPORT remove loosen • Remove the lower covering of the front housing as described in chapter 3.1. • Remove the connection cable on the control board and replace the aerial. • Re-assemble the unit in reverse order. Replacing the motor •...

  • Page 35: Replacing The Power Board

    Replacing the power board • Remove the lower covering of the front housing as described in chapter 3.1. • Remove all cable connections to the power board. • Remove screws 1-4 (see figure). Page 35 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 36: Replacing The Frequency Converter

    MOUNTING SUPPORT remove • Re-assemble the unit in reverse order. Replacing the frequency converter • Remove the lower covering of the front housing as described in chapter 3.1. • Remove all cable connections to the frequency converter. • Remove screws and remove the frequency converter from the unit (Photo 29). remove loosen Photo 29...

  • Page 37: Checkup The Imbalance Sensor

    • Adjust the acceleration- (accel) and the deceleration level (decel) on the control board to level 9. • Start the centrifuge. The unit must shut off when reaching the listed speed of the resp. rotor Page 37 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 38: Replacing The Control Board

    MOUNTING SUPPORT • In case the unit does not shut off you have to loosen the fixing screws of the imbalance sensor. Adjust the imbalance sensor more sensitive with the adjusting screw (clockwise). • Repeat those steps as often as the listed value of the imbalance shut-off table is reached.

  • Page 39: Replacing The Break Resistor

    • Remove the electrical supply on the control board (1). • Remove the fixing screws and put in the new lid lock. Microswitch for start closing lid Microswitch for opening operation Microswitch for closing operation remove Page 39 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 40: Replacing The Rotor Sensor

    MOUNTING SUPPORT • Keep attention through adjustment of the lid lock, that the lid lies straight and continuous on the lid sealing. After adjustment tighten the screw well. Adjustment: 1.) Lay the lid onto the centrifuges seal. Afterwards tighten the screws of the hinges under a little pressure onto the lid.

  • Page 41: Replacing The Temperature Sensor (Fc5816R Only)

    • Pull out the temperature sensor from the rubber motor cover. Hold therefore the underneath rubber nose, which held the sensor housing in its position. Press afterwards the rubber nose together and push it towards the hole. • Reassemble the unit in reverse order. Page 41 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 42: Refrigeration System (Fc5816R Only)

    TROUBLESHOOTING 3.14 Refrigeration system (FC5816R only) CAUTION: Only certified/qualify service personal should be performing the repair and service of the refrigeration system. Functional description of the refrigeration system A capillary tube regulates how much refrigerant is being led to the evaporator. A sensor is continuously measuring the temperature at the evaporator output.
  • Page 43 TROUBLESHOOTING Figure 3: Cooling diagram Condenser Filter dryer Capillary tube Evaporator Compressor ATTENTION: You must use refrigerant type R 404 a only! Filling amount is 320 g! valve Figure 4 Page 43 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 44 TROUBLESHOOTING Figure 5: Manometer combination...

  • Page 45: Troubleshooting

    • Now open the lid of the centrifuge. • Turn the hexagon nut back to its position. • Switch the centrifuge on again, for go on working. ( see photo 34) Photo 34 Page 45 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 46: Description Of The Error Message System

    TROUBLESHOOTING 4.2.2 Description of the error message system The error message is shown in the "Time/Prog" display through particular figures (26). At the same time the word “error“ (26) is indicated in the display (see photo 30). Photo 30 4.2.3 Errors that may be indicated in the LCD display Error No.
  • Page 47 Error No. 44: Overvoltage frequency converter • Cause: Brake resistance is defective • Solution: Check brake resistance; Select lowest brake level and restart the unit Frequency converter is defective; Call service department! Page 47 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 48 TROUBLESHOOTING Error No. 45: Over temperature frequency converter • Cause: Cutoff of the frequency converter caused by over temperature • Solution: Take care of enough ventilation Error No. 46: Over temperature motor • Cause: Temperature safety switch of the motor will switch off •...

  • Page 49: Maintenance

    Connect the unit to the power supply, after the equipment is completely dry. Do not carry out disinfection with UV-, beta- and gamma-raysor other high energy radiation. Metal rotors can be autoclaved. Page 49 of 53 SERVICEMANUAL © OHAUS Corporation...

  • Page 50: Cleaning And Disinfection Of The Unit

    MAINTENANCE Rotor lid and adapters can also be autoclaved (max. 121°C, 20 min). The tube racks are made of PP and can not be autoclaved at 134°C. 5.1.2 Cleaning and disinfection of the unit 1. Open the lid before you turn off the unit. Disconnect it from the power supply. 2.

  • Page 51: 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. Page 51 of 53 SERVICEMANUAL © OHAUS Corporation...
  • Page 52 MAINTENANCE...
  • Page 53 ™ 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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