Replacing a Fuse
Figure 3-52. Replacing Fuses
4. Close the voltage selector cover. Make sure that the voltage selector
bobbin is set to the correct voltage for the local power supply.
NOTE: If you have a 230V supply, use the 240V setting on the voltage
selector bobbin.
CAUTION: Do not rotate the voltage selector bobbin when it is fitted as
this will damage the contacts.
Figure 3-53. Checking the Voltage Setting
5. Reconnect the power supply cord.
Shutting Down the 248
BIOHAZARD: See Appendix A, Protecting Yourself from Biohazards.
Wear gloves while carrying out the following procedures.
Siemens recommends that the 248 is connected to the a.c. supply at all
times so it is always ready for immediate use. However, if it is
necessary to disconnect the a.c. supply this procedure should be
followed to prevent damage to the instrument.
Equipment: Disinfectant (for example, Cat. 673390); tissues.
1. Print out the Setup report and retain so that you have a record of
all the settings, Page 5-7.
2. Use the Disinfect routine, Page 3-8.
Maintaining the System Page 3-35
Voltage Setting
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