09931294C
25
5.
Press the ON/OFF key to turn on the control unit. When the stirrer speed is displayed,adjust the
desired stirrer speed by using the MINUS-key or PLUS-key.
Figure 56 PressingMINUS-key or PLUS-key
NOTE:
When you press the mode key, power adjustment mode is displayed. The power settings should be set to
P 25.
NOTE:
The default power set is 50. Whenever turning the main switch on or off, you should set the power to 25.
Figure 57 Power set to 25
Troubleshooting
When a magnetic bar does not move
1.
Check whether the control unit is powered on.
2.
Check the connection status between the control unit and the stirrer control cable.
3.
Check whether the rotating speed (rpm) is properly set in the control unit.
When a Magnetic Bar always rotates irregularly
It is unavoidable that magnetic bars are aged with time, for example through sterilization, at excessive
temperatures, or mechanical stress (such as when you drop it).
Replace the magnetic bar with a new one.