BANDELIN Sonoplus HD4050, User Instructions

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6 Maintenance and repair
6.1 Maintenance
SONOPULS homogenisers are maintenance-free.
Aside from the process-dependent cavitation erosion on the sound-emitting surface of the probes,
no other homogeniser parts are subject to wear. Worn out or faulty probes can be replaced
following the instructions in chapters 4.3.1 to 4.4.
The devices are calibrated at the time of delivery. A control of the calibration is only required after
repairs, and will only be conducted by the manufacturer.
6.2 Functional checks
See also chapter 3.2.4 for description and operation.
In case of Error 011 and Error 012, always start testing according to chapter 6.2.1
fi rst.
6.2.1 Testing the ultrasonic converter (probe check) – Error 011
The test is preferably conducted while the probe is acoustically coupled, i.e. the probe should be
immersed in the sonicating medium.
SET
START
STOP
probe check off
scan frequency off
contrast 22
operating mode ampl.
01.02 - 2014-08-20
on probe check off
scan frequency off
contrast 22
operating mode ampl.
01.02 - 2014-08-20
off
The ultrasonic frequency depends on the probe, and the actual value may vary from the example
presented here. After successful completion, the monitor display switches back to stand-by mode.
Otherwise, an error message appears again.
6.2.2 Conducting a frequency scan (scan frequency) – Error 002/011/012
The conditions for execution are similar to those for conducting checks with the "probe check"
function, see chapter 3.2.4.
SET SET
START
STOP
probe check off
scan frequency off
contrast 22
operating mode
Ampl.
batch mode off
01.02 - 2014-08-20
on
probe check off
scan frequency off
contrast 22
operating mode
Ampl.
batch mode off
01.02 - 2014-08-20
off probe check off
scan frequency off
contrast 22
operating mode
Ampl.
batch mode off
01.02 - 2014-08-20
off