5 operation – BUCHI Mixer B-400 User Manual
Page 11

9
BUCHI Mixer
B-400
5 Operation
Switch off the Mixer at the power switch if it makes any unusual
noises or shows signs of instability. Check whether all the parts
and particularly the two blades are in position and have been
correctly installed (see Section 6, Maintenance).
Adjustments
5 Operation
·
Procedure
The recommended
sample weight (see the list of application
in Chapter 9, Appendix) must be observed when you fill sample
material in the beaker.
Please note the following points:
•
Never fill pieces of sample material to a level higher than the
green mark
ባ.
•
Never process samples which do not comply with the mixer's
intended use (Chapter 2, Safety).
•
Never put the mixer into operation without any sample
material.
Push the beaker over the diaphragm seal from underneath and
place in the beaker holder. See Chapter 6, Maintenance, for
details of how to fit the diaphragm seal holder, the cover and the
cutter.
Close the guard door.
Keep the rocker button pressed to the right (IN) to start the dis-
integrating and mixing cycle.
Keep the rocker button pressed to the left (OUT) to move the
beaker away from the cutter.
See Chapter 6, Maintenance, for details concerning dismantling,
cleaning and assembly.
Figure 6: Sample beakers
Figure 7: Inserting the sample beaker
Malfunctions
Malfunction
Possible cause
Remedy
Mixer performs no function
Mixer not switched on
Plug in cable
Power switch off
Turn switch on
Door not closed
Close door
Fuse F101 on print GS-1defective
Call technical customer service
Beaker holder does not move up
Fuse F102 on print GS-1defective
Call technical customer service
Beaker holder does not move up far
Sensor print GS-2 is in wrong position
Call technical customer service
enough
Magnet/Hall sensor out of position on shaft
Call technical customer service
Cutter rotates although rocker
Semiconductor relay on print GS-1 defective
Call technical customer service
button is not pressed
Table 2: Malfunctions
ባ
ቢ