Troubleshooting - VWR 710-0958 Manual De Instrucciones

6. Push F in order to select Time or Speed function, the corresponding light will light up. Using the arrows
you can change time or speed. The selected parameters are now in the memory.
7. Push the START button.
8. If needed, stop the homogenising process by pushing the STOP button or turning off the unit. The units
have a safety device that prevents the opening during operation. Do not force the door.
9. At the end of the homogenising programmed time the instrument will automatically stop. The door can
then be opened by raising the handle and the bag removed. The instrument is then ready for a new cycle.
10. At the end of the cycle the sample usually looks different from a sample treated with a blade
homogeniser. For example, the liver will look like a thin sediment, the heart like fibres, and the connective-like
corpuscle.
11. Since there are so many type of sample that can be treated, it is not possible give a general treatment
rule.

Troubleshooting

Problem
The instrument doesn't start.
The instrument doesn't start. The
display shows Err1
Instrument door cannot be opened
Instrument door cannot be closed
Bag broken
Possible cause
The instrument is turned off
The door is not closed
The instrument is still working
Too much sample in the bag
Hard or sharp sample
8
Solution
Check plug connection and turn on
the main switch
Close the door
Push STOP, then open the
instrument door
Check that the sample volume is
less than 400 ml
Do not blend hard or sharp
samples. Open the door and clean
the instrument