CHAPTER 3 MAINTENANCE PROCEDURES
FC5515R Centrifuge Service Manual
3-7
Ohaus Corporation www.ohaus.com
Reassemble the unit in reverse order.
3.3.13 Check the Imbalance Sensor.
Movement sensor:
From software version 1.67 it is possible to adjust/correct the imbalance value see
chapter 2.2.3
Should appear any difficulties with the imbalance, please give us an exact description of it
as well as the serial number of the unit and the rotor type.
You can check up the imbalance sensor with the operation menu. Look up in chapter
2.1.12.
3.3.14 Replacing the imbalance - (movement sensor) and speed sensor
• Remove the covering of the front housing as described in chapter 3.3.1.
• Remove the motor as described in chapter 3.3.9
• Lay the motor down on its side and remove the two fixing screws of the green circuit board on
the rear side (Chapter 1.7.2.7)
• Replace the board and reassemble the unit in reverse order.
3.3.15 Replace the Temperature Sensor.
• Remove the lower covering of the front housing as described in chapter 3.3.1.
• Remove all connections of the temperature sensor on the control board.
• Pull the temperature sensor out of his anchorage and following the rubber bushing.
• Pull the plug through the holes.
Attention: Before placing a new converter into the unit, put some heat
conducting paste onto the fixing surface!
3-13
Figure 47: Replacing Temperature Sensor.
