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FL40 / FL40R
Centrifuges
SERVICE MANUAL
89003568
CAREFULLY READ THIS MANUAL AND THE OPERATING MANUAL
BEFORE REPAIRING YOUR INSTRUMENT
THIS DOCUMENT IS PROPERTY OF THERMO ELECTRON CORPORATION
it may not be duplicated or distributed without the owner's authorisation
The validity of the guarantee is subject to the observation of the
instructions and precautions described in this document
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Page
FL40 / FL40R Service Manual 89003568
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Summary of Contents for Thermo Electron FL40
- Page 1 CAREFULLY READ THIS MANUAL AND THE OPERATING MANUAL BEFORE REPAIRING YOUR INSTRUMENT THIS DOCUMENT IS PROPERTY OF THERMO ELECTRON CORPORATION it may not be duplicated or distributed without the owner's authorisation The validity of the guarantee is subject to the observation of the...
- Page 2 REVISION STATUS INDEX DATE AMENDED PAGES NOTES 24/03/2004 Initial release 2 of 43 Page FL40 / FL40R Service Manual 89003568...
- Page 3 WARRANTY THERMO Electron Corporation guarantees that this unit is free from defects in materials and workmanship when it leaves the factory and undertakes to replace or repair the unit if it proves defective in normal use or during service for a period of ONE YEAR from the delivery.
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Page 5: Table Of Contents
Lid lock microswitch replacement ......................27 4.4.2. Lock solenoid microswitch replacement ....................27 4.4.3. Solenoid replacement ..........................28 4.5. POWER SUPPLY RACK REPLACEMENT ................. 28 4.5.1. Dismounting............................28 4.5.2. Refitting ..............................28 4.5.3. Refrigeration board (FL40R) replacement .....................28 5 of 43 Page FL40 / FL40R Service Manual 89003568... - Page 6 5.6. FRONT PANEL ......................... 39 5.7. COOLING UNIT (FL40R)......................39 WIRING DIAGRAM......................40 5.1. WIRING DIAGRAM FL40 120V .................... 40 5.2. WIRING DIAGRAM FL40 230V .................... 41 5.3. WIRING DIAGRAM FL40R 120V ..................42 5.4. WIRING DIAGRAM FL40R 230V ..................43...
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Page 7: Introduction
Fax : 33 (0)2 28 03 20 10 1.2. PRESENTATION The FL40, FL40R (refrigerated) centrifuges are instruments designed for laboratory use. Using relative centrifuge force (RCF) allows elements of different density to be separated. The rotor is the main load. A swing-out design allows a higher load than does an angle design. -
Page 8: Specifications
1.3. SPECIFICATIONS 1.3.1. DIMENSIONS AND WEIGHT Dimensions (H x W x D) FL40 : 66 x 58 x 86 cm FL40R : 66 x 58 x 86 cm Packed (H x W x D) FL40 : 78 x 68 x 100 cm FL40R : 78 x 68 x 100 cm Weight –... -
Page 9: Installation Procedure
WARNING : The rear palette of the instrument must be at least 30 cm from the walls to allow hot air To avoid the proximity of heat sources. from the condenser to escape. 9 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 10: Theory Of Operation
2. THEORY OF OPERATION 2.1. DESCRIPTION The microprocessor system which controls the FL40 and FL40R centrifuges ensures the operation of the following major elements: - Management of the operating modes, - Generation of alternating current amplitude and frequency, - Adjustable components for the motor speed servo,... - Page 11 11 of 43 Page FL40 / FL40R Service Manual 89003568...
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Page 12: Motor Control Principle
2.3. MOTOR CONTROL PRINCIPLE 2.3.1. INTRODUCTION The FL40 / FL40R family of centrifuges is fitted with an asynchronous 3 phases motor. During centrifugation, the microprocessor generates a system of sinusoidal 3 phases voltages variable in amplitude and frequencies. During the braking phase the energy from the rotating parts is commuted across a resistance. -
Page 13: Power Control
Ns = fx 60 (for a 2pole motor). The motor rotates at a speed N below the speed Ns. Ns – N = SLIPPAGE (the slippage varies between 1 and 3 %). 13 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 14: Electronics - Structure
2.4.2. MICROPROCESSOR + POWER PCB On the microprocessor + power pcb, 3 distinct zones can be identified, whose functions are described below. Each zone has its own independent power supply. 14 of 43 Page FL40 / FL40R Service Manual 89003568... - Page 15 - Signal coming from the imbalance sensor - Tacho signal - Lid position signal - The motor overtemperature and the lid solenoid control ZONE 3 WARNING : THIS ZONE IS AT MAINS VOLTAGE 15 of 43 Page FL40 / FL40R Service Manual 89003568...
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Page 16: Imbalance Sensor
2.4.5. TEMPERATURE SENSOR (FL40R) The sensor is a double thermistance. It delivers a signal proportional to the temperature. 2.4.6. REFRIGERATION CONTROL BOARD (FL40R) The board controls the power signal to the refrigeration group. 16 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 17: Input - Output
2.4.7. INPUT - OUTPUT Termal probe Tachy hall Temp. motor Alim. 24 Switch electro Switch lock Electro Order goup Sector power Diodes version 120V 17 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 18: Diagnostics And Repairs
3. DIAGNOSTICS AND REPAIRS 3.1. INTRODUCTION The FL40, and FL40R are equipped with a diagnostic menu in order to help locate possible breakdowns. The possible conditions of malfunction are communicated to the user by means of error codes on the display and buzzer alarms. - Page 19 Between two runs (1 minute pause) displays are : Reserved for factory testing Next run number - Press START key to go to the following test - Press STOP key to exit from the test mode 19 of 43 Page FL40 / FL40R Service Manual 89003568...
- Page 20 3 : number of hours above 5000 rpm 4 : number of runs above 5000 rpm - Press START key to go back to test 1 - Press STOP key to exit from the test mode 20 of 43 Page FL40 / FL40R Service Manual 89003568...
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Page 21: Fault Codes
Idem code 6 ERR 9 (above 50°C) (See troubleshooting chart 8) ERR 10 Operating anormaly The machine is blocked and the keyboard is dead. Exit = Switch off the machine. 21 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 22: Troubleshooting Chart
If correct (230 or 120 V according to the version) change the condenser and/or the Faulty compressor or its compressor start-up relay. If no effect the accessories. compressor coils. 22 of 43 Page FL40 / FL40R Service Manual 89003568... - Page 23 Change the probe. real temperature, there is a reading Change the PC board. problem. 9) Lid unlocked when starting Faulty microswitches Check or change microswitches. or during rotation (Error 06) 23 of 43 Page FL40 / FL40R Service Manual 89003568...
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Page 24: Replacement Procedures
As a guide, a list is given in the appendix. If, for a particular reason, any other tools are required, these are clearly specified in the relevant chapter. 4.1. MOTOR REPLACEMENT 4.1.1. UNREFRIGERATED MODEL FL40 Dismounting - Remove the front panel (1) by unscrewing the screws and disconnect the power switch, the flat cable, the display supply and the front panel ground cable. -
Page 25: Imbalance Detector Replacement
- Screw down the nuts to the body of the instrument. - Reconnect the electrical connectors. - Remount the front panel. Lid solenoid Back side Microswitch 2 microswitches Front side 25 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 26: Lid Lock Assembly Element Replacement
- Carry out the above operations in the reverse order. WARNING : THE MICROSWITCH ROD MUST BE SHAPED TO WORK PROPERLY AND TO GIVE A GOOD STROKE TO THE SOLENOID MOBILE CORE ! 26 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 27: Solenoid Replacement
4.5.3. REFRIGERATION BOARD (FL40R) REPLACEMENT Dismounting - Disconnect the board. - Remove the board from the rack unscrewing the 2 screws (1) Refitting - Carry out the above operations in the reverse order. 27 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 28: Electronic Board Replacement
Remove the board. Refitting - Carry out the above operations in the reverse order, and do not forget to place the insulation sheet between the board and its support. 28 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 29: Display Board
- Remove the pin which joins the gas spring to the lid. - Remove the gas spring. Refitting - Carry out the above operations in the reverse order. heck the correct operation of the lid. 29 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 30: Eprom Replacement
- Execute the necessary calibration as explained in chapter 5. 4.10. LID REPLACEMENT Open the lid. Extract the pin which binds the gas spring. Unscrew the 4 screws which bind the lid to the hinge. Remove the lid. 30 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 31: Refrigeration System Repairs (Fl40R)
- Now, the centrifuge walls are separated from the body. - The refrigeration system remains fixed only to the body. Refitting - Carry out the above operations in the reverse order. 31 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 32: Condenser Components Replacement
If there is no conformity to condition 1, the motor can run erratically. If there is no conformity to condition 2, the motor can run irregularity with over heating. If there is no conformity to condition 3, the motor cannot run. 32 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 33: Spare Parts
39903381 Overlay 26962008 Gas spring 25439072 Motor / bowl seal 25437049 Lid / bowl seal 85241270 Lid hinge 86005206 Pivot roll/block 86005323 Roll 11250219 Complete lid 85210884 Inner plastic lid 33 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 34: Fl40R And General Schematic
Gas spring 25439072 Motor / bowl seal 25437049 Lid / bowl seal 85241270 Lid hinge 86005206 Pivot roll/block 86005323 Roll 11250220 Complete lid for FL40R 85210923 Inner plastic Lid for FL40R 34 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 35: Motor
5.3. MOTOR Mark Reference Description FL40/FL40R 89002888 Motor kit (includes shock absorbers) 26007026 Shock absorber (1 pce) 85480878 Imbalance detector 89003554 Speed sensor (Tachometer) 35 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 36: Lock
5.4. LOCK Mark Reference Description FL40/FL40R 89002889 Complete lock G/FL40R 89000309 Lid solenoid (without switch) 26487030 Micro switch (without lever) 26461053 Flat lever 86001406 Safety micro switch 36 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 37: Electronic Rack
Main PCB FL40R 86004585 86004586 Relay 26387034 26387045 Fuse 86004803 39903078 Transformer 86004598 Power bridge 86001432 86001432 Braking resistor 89002899 89002899 Cooling control PC board 89002897 89002898 Complete rack FL40R 37 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 38: Front Panel
5.6. FRONT PANEL Mark Reference Description xxxxxxxx Blue wing + keyboard, standard version, non refrigerated xxxxxxxx Blue wing + keyboard, standard version, refrigerated xxxxxxxx Display PCB 38 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 39: Cooling Unit (Fl40R)
5.7. COOLING UNIT (FL40R) Mark Reference 230 V Reference 120 V Description 89003560 89003561 Compressor 89003562 89003562 Condensor 89003563 89003563 89003564 89003565 Motor + stand (without fan) 39 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 40: Wiring Diagram
WIRING DIAGRAM 5.8. WIRING DIAGRAM FL40 120V 40 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 41: Wiring Diagram Fl40 230V
5.9. WIRING DIAGRAM FL40 230V 41 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 42: Wiring Diagram Fl40R 120V
5.10. WIRING DIAGRAM FL40R 120V 42 of 43 Page FL40 / FL40R Service Manual 89003568... -
Page 43: Wiring Diagram Fl40R 230V
5.11. WIRING DIAGRAM FL40R 230V 43 of 43 Page FL40 / FL40R Service Manual 89003568...
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