LABEC M-MIA-A User Manual
Page 30
 
Ultrasonic milk analyser
5. POSSIBLE MALFUNCTIONS AND ERROR MESSAGES, 
TROUBLESHOOTING 
 
In the table below are described the possible malfunctions during the milk 
analyzer’s exploitation and ways for their repair/remedy. If the problem 
persists after all recommended measures are taken, please, connect the 
nearest service center. 
Error
message
Possible
problem /cause
Repair/remedy
MA
overheated
Accompanied
by a
continuous
sound signal
Overheated milk
analyzer
Immediately switch off the analyzer. 
Pay attention the analyzer to be situated away from 
direct sunlight or heating devices. 
Wait 5-10 minutes the device to cool down or to be 
normalized the ambient temperature and switch it on 
again. 
Empty
Camera
Insufficient
quantity of the
milk sample
sucked in the
system or air in
the sample
The analyzer is ready to measure the next sample. 
In order to avoid the future appearance of the same 
error message, please, check the following: 
- The sample is prepared according the
instructions and there aren’t air bubbles in it.
- There is a real suction of the sample after
starting measurement, i.e. it is obvious that the 
level of the milk sample in the sample holder 
decreases. In other case – there is damage in 
the suction system. 
- Avoid the end of the suction pipe to be above
the surface of the liquid (not dipped enough).
- Avoid curdling of the milk sample. Clean
immediately if there is a sample curdled in the 
system. 
- Check the pipe, connecting orifices for cleaning
solution and waste liquid (on the analyzer’s rear 
panel. 
- In mode Measurement, after starting the
measurement, remove the sample holder and 
see if there is no milk poured back in the 
sample holder. 
Sample
Overheat
Sucked
overheated
sample
The analyzer is ready to measure the next sample. 
In order to avoid the future appearance of the same 
error message, please, check the following: 
-The sample is prepared according the instructions 
and its temperature does not exceed the maximum 
permissible sample’s temperature. 
-Complete the procedure for checking the analyzer 
in case of error message Empty Camera. 
Operation manual
MRC.VER.01-02.10