TABLE OF CONTENTS
FC5515R Centrifuge Service Manual
ii
Ohaus Corporation www.ohaus.com
CHAPTER 2 SERVICE MENU
2.1.12 Submenu Check of the Imbalance Sensor .................................................. 2-10
2.1.13 Submenu Keyboard Test ............................................................................. 2-11
2.1.14 Submenu Indication of the Revision of the Control Panel ............................2-12
2.1.15 Submenu Setup for Temperature ................................................................ 2-12
2.2
Activation of the Service Menu (Part 2)……………………………………………. …2-13
2.2.1 Centrifuge Model ........................................................................................... 2-13
2.2.2 Centrifuge Type ............................................................................................. 2-14
2.2.3 Submenu Adjustment/Correction of the Imbalance Cut Off Value .................. 2-15
CHAPTER 3 MAINTENANCE PROCEDURES
3.1
Preventive Maintenance ...........................................................................................3-1
3.1.1 General ...........................................................................................................3-1
3.1.2 Cleaning and Disinfection of the Unit ...............................................................3-2
3.1.3 Cleaning and Disinfection of the Rotor ............................................................3-2
3.1.4 Disinfection of Aluminum Rotor .......................................................................3-3
3.1.5 Disinfection of PP-Rotor ..................................................................................3-3
3.1.6 Glass Breakage ...............................................................................................3-4
3.2
Service Life of Rotors, Round and Rectangular Buckets, Accessories .....................3-4
3
.3
Front Housing ..........................................................................................................3-5
3.3.1 Replacing the Front Housing ...........................................................................3-5
3.3.2 Replacing the Incremental Shaft encoder (Potentiometer)...............................3-6
3.3.3 Replacing the Display ......................................................................................3-7
3.3.4 Replacing the Foil Key Board ..........................................................................3-7
3.3.5 Removing the Housing ....................................................................................3-8
3.3.6 Replacing the Lid Gasket ................................................................................3-9
3.3.7 Removing the Lid ............................................................................................3-9
3.3.8 Replacing the Hinges .................................................................................... 3-10
3.3.9 Replacing the Motor ...................................................................................... 3-10
3.3.10 Replacing the Motor Rubber Bearing........................................................... 3-11
3.3.11 Replacing the Power Board ......................................................................... 3-12
3.3.12 Replacing the Frequency Converter ............................................................ 3-12
3.3.13 Checkup the Imbalance Sensor ................................................................... 3-13
3.3.14 Replacing the Imbalance (movement sensor) and Speed Sensor ............... 3-13
3.3.15 Replacing the Temperature Sensor ............................................................. 3-13
3.3.16 Replacing the Control Board ....................................................................... 3-14
3.3.17 Replacing the Break Resistor ...................................................................... 3-14
3.3.18 Replacing the Speaker ................................................................................ 3-15
3.3.19 Replacing the Lid Lock ................................................................................ 3-15
