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Global Focus SILENCER S12V Series, Service Manual, Page: 19 / 30

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Global Focus SILENCER S12V Series Service Manual Download Page 19

Summary of Contents for SILENCER S12V Series

Page 1: ...S12V Series Service Manual Service Manual Proudly designed and manufactured in the great United States...

Page 2: ...rights to reproduce or disclose its contents in any form Global Focus Marketing Distribution Ltd herein known as GFMD Ltd retains all rights to this manual and its contents Reproducing and or disclosu...

Page 3: ...apter 5 Troubleshooting 5 1 Status Codes 5 1 Error Reset 5 1 Troubleshooting Table 5 1 Chapter 6 Functional Description 6 1 AC Power Distribution 6 1 DC Power Distribution 6 1 Operator Interface Circu...

Page 4: ...idlock Assembly 8 3 Chapter 9 Warranty 9 1 Appendix A Specifications A 1 Performance Specifications A 1 Unit Specifications A 2 Appendix B Service Log A 3 Appendix C Replacement Parts List A 4 Appendi...

Page 5: ...e 3 1 Control Panel Layout 3 1 Figure 7 1 Wiring Diagram 7 1 Figure 7 2 Display Control PCB Schematic 7 2 Figure 7 3 Display Control PCB Layout 7 3 Figure 8 1 Front Panel Retaining Screws 8 2 Figure 8...

Page 6: ...t damage to the centrifuge be sure to read this manual before continuing with setup or operation of this centrifuge For smooth operation and long equipment life choose a stable level bench top Avoid s...

Page 7: ...amage to electronic circuits CAUTION Operation of centrifuge on a power strip increases ground resistance and can cause damage to electronic circuits ROTOR INSTALLATION Insert the rotor onto the motor...

Page 8: ...This design also promotes long bearing life and eliminates brush maintenance thereby reducing operating costs Excellent stability against imbalance is achieved due to special vibration absorbing drive...

Page 9: ...power off does not remove power to the centrifuge Remove all power to the unit by unplugging the power cord CONTROLS START If pressed when the unit is in the STANDBY mode the START button will start t...

Page 10: ...using the SPEED and TIME buttons Open the lid and load your samples taking care to maintain a balanced load Close the lid and press the START button The lidlock will engage and the centrifuge will ac...

Page 11: ...rotor chamber to rise to the bottom of the motor seal may result in serious damage to the centrifuge The rotor must be removed from the centrifuge for disinfecting Clean tube breakages and spills imm...

Page 12: ...1 3 Do not attempt to open the lid until the unit has stopped ERROR 2 1 Indicates no power is getting to the motor ERROR 2 2 Indicative of a momentary drop or loss of line voltage ERROR 2 3 Indicative...

Page 13: ...or misaligned Check the lid lock safety interlock switch for proper alignment and continuity SYMPTOM Will not start when the START button is pressed and ERROR 2 1 is displayed POSSIBLE CAUSES POSSIBLE...

Page 14: ...complete stop see suggestions for the centrifuge not starting and giving an ERROR 1 1 error If someone attempted to open the lid during the run cycle please wait until the unit has come to a complete...

Page 15: ...nnection is secure the unit is not plugged into a power strip and the power circuit is not overloaded SYMPTOM The sample temperature is exceeding 39 C POSSIBLE CAUSES POSSIBLE SOLUTIONS The rotor cham...

Page 16: ...ply and the vent fan DC POWER DISTRIBUTION The output of the 24VDC Power Supply is applied to the Display Control PCB The positive output goes to PLUS1 VIN and negative output goes to NEG1 VSS The com...

Page 17: ...applied to the gate of Q1 Q1 applies VSS to the solenoid After a time delay set by C7 and R28 the unlocking voltage turns off The solenoid holding voltage is supplied by Q2 Q2 applies VSS to the solen...

Page 18: ...eracts the PWM pulse to limit current draw of the motor This voltage is also applied to ADC pin 22 of U1 to supply current draw feedback This feedback is used to control the PWM ramp during accelerati...

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Page 22: ...the power cord EQUIPMENT The following equipment is useful or necessary in the repair of the S12V centrifuge A Test Equipment 1 Tachometer 2 Multimeter 3 Ammeter capacity to 10 amps B Tools 1 Screwdri...

Page 23: ...tor chamber see Figure 8 2 and then pull it from around the motor Unplug the red green and black motor power wires Remove the four 5 16 hex motor securing nuts from the bottom of the motor mount plate...

Page 24: ...nting screws Remove the Display Control P C B Install replacement Display Control P C B by reversing the removal procedure LIDLOCK ASSEMBLY Unplug the power cord Remove the four Phillips front panel r...

Page 25: ...cuits other than those specified on the plate affixed to the instrument insufficient or excessive electrical supply operation on emergency or backup generators abnormal mechanical or environmental con...

Page 26: ...500 RPM Maximum RCF S12V HZ w 8 x 10ml Horizontal Rotor 2 418 x g S12V FA w 10 x 10ml FA Rotor 2 802 x g Approximate acceleration rate 0 Max RPM 15 seconds Approximate deceleration rate Max 0 RPM S12V...

Page 27: ...x 16 5 d x 11 5 h Spill resistant control panel Completely enclosed rotor chamber High strength alloy rotor chamber See through high strength lid Dual safety interlock to ensure lid is closed and lock...

Page 28: ...S12V Service Manual Page A 3 Appendix B Service Log Service Log Date Service Performed By...

Page 29: ...S12V 2 ea SIL00512 Latch Lidlock 1 ea SIL00642B Lid S12V 1 ea SIL00661 Lidlock Assembly 1 ea SIL00672 Switch Lid Interlock part of SIL00672 1 ea SIL02456 Switch Lock Interlock part of SIL00672 1 ea S...

Page 30: ...d for your unit or the lid safety interlock switch may become damaged If the interlock switch is damaged the unit can t detect the lid being closed and therefore won t start To use the release tool 1...

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