Metrohm 889 IC Sample Center - Manual (Page 44)

5.3 Maintenance and service
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889 IC Sample Center
Note
If you are using the sample racks with 12 or 48 vials, then you
must adjust the setting of the needle height to > 2 mm. This will
prevent the needle from touching the bottom of the vial.
9 Perform a rinsing procedure in order to clean the new needle. On the
General tab, under Wash, click on Start. To interrupt the rinsing
procedure, click on Stop.
5.3.4 Replacing the fuses
The fuses installed in the 889 IC Sample Center are of the type
2 × 2.5 A
Warning
The device must be disconnected from the electricity source before the
fuses are replaced.
Make sure that the fuses to be installed correspond to the correct type
and the correct power load.
The fuses are located in the fuse holder at the rear of the device.
Note
Contact a service technician in the event of repeated problems with the
fuses.