TABLE OF CONTENTS
Ohaus Corporation www.ohaus.com i FC5706 Centrifuge Service Manual
Page No.
CHAPTER 1 GETTING STARTED
1.1 Introduction ..............................................................................................................1-1
1.2 Definition of Signal Warning and Symbol .................................................................1-1
1.3 Safety Precaution .....................................................................................................1-2
1.3.1 User ................................................................................................................1-2
1.3.2 Rotor and Accessories ....................................................................................1-2
1.3.3 Measures of your protection ............................................................................1-2
1.3.4 Exclude the Following environment Influence ..................................................1-3
1.3.5 Measures for Operation Safety ........................................................................1-3
1.3.6 Danger & Precaution ...................................................................................... 1-3
1.4 Service Facilities ......................................................................................................1-4
1.5 Tools and Test Equipment's Required ......................................................................1-4
1.5.1 Tools and Test Equipment's Required .............................................................1-4
1.6 Transport and packing of FC5706 ............................................................................1-5
1.6.1 Transport .........................................................................................................1-5
1.6.2 Packing ...........................................................................................................1-5
1.7 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
1.8 Service Instructions ..................................................................................................1-7
1.8.1 General Technical Descriptions .......................................................................1-7
1.8.2 Electrical and Electronic Components .............................................................1-9
1.8.2.1 Control Board .......................................................................................1-9
1.8.2.2 Rotor Recognition ............................................................................... 1-10
1.8.2.3 Speed Signal ...................................................................................... 1-10
1.8.2.4 Lid Mechanism ................................................................................... 1-10
1.8.2.5 Imbalance Detection ........................................................................... 1-11
1.9 LCD Display ........................................................................................................... 1-12
1.10 Function Label ....................................................................................................... 1-13
CHAPTER 2 SERVICE MENU
2.1 Service Menu ...........................................................................................................2-1
2.1.1 Activation of the Service Menu (Part 1) ...........................................................2-1
2.1.2 Submenu Motor Start ......................................................................................2-2
2.1.3 Submenu Duty Cycle .......................................................................................2-2
2.1.4 Submenu Running Time ..................................................................................2-3
2.1.5 Submenu Software Status ...............................................................................2-3
2.1.6 Submenu Error Memory ..................................................................................2-4
2.1.7 Submenu Keyboard Test .................................................................................2-5
2.1.8 Submenu Activation/Deactivation of the Imbalance Sensor .............................2-5
2.2 Activation of the Service Menu (Part 2) ....................................................................2-6
2.2.1 Centrifuge Model .............................................................................................2-7
2.2.2 Submenu Adjustment/Correction of the Imbalance Cut Off Value ....................2-7