TABLE OF CONTENTS
FC5706 Centrifuge Service Manual
ii
Ohaus Corporation www.ohaus.com
CHAPTER 3 MAINTENANCE PROCEDURES
Page No
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
Mounting Support .....................................................................................................3-5
3.3.1 Replacing the Front Housing ...........................................................................3-5
3.3.2 Replacing the Incremental Shaft encoder (Potentiometer)...............................3-5
3.3.3 Replacing the Display ......................................................................................3-6
3.3.4 Replacing the Foil Key Board ..........................................................................3-7
3.3.5 Removing the Housing ....................................................................................3-7
3.3.6 Replacing the Rotor Chamber or Lid Gasket ...................................................3-8
3.3.7 Removing the Lid ............................................................................................3-9
3.3.8 Replacing the Hinges ......................................................................................3-9
3.3.9 Replacing the Motor ...................................................................................... 3-10
3.3.10 Replacing the Power Board/Control Board .................................................. 3-11
3.3.11 Checkup the Imbalance Sensor ................................................................... 3-11
3.3.12 Replacing the Imbalance (movement sensor) and Speed Sensor ............... 3-12
3.3.13 Replacing the Lid Lock ................................................................................ 3-12
3.3.14 Adjustment of the Lid ................................................................................... 3-13
3.4
Major internal cable connection .............................................................................. 3-14
3.5
Trouble Shooting .................................................................................................... 3-16
3.5.1 Error Message: Cause/Solution ..................................................................... 3-16
3.5.2 Possible Error Message and Their Solutions ................................................. 3-16
3.5.2.1 Lid Release during Power Failure ....................................................... 3-16
3.5.2.2 Descriptions of the Error Message ....................................................... 3-17
3.6
Error Codes............................................................................................................ 3-18
