Troubleshooting - Thermo Scientific Diluflux Mode D'emploi

5. Troubleshooting

Before calling technical support, please check that your problem cannot be
solved easily by following the guidelines below. In this chart, you will find the
most common problems and their solutions.
PROBLEMS CHECK
The Diluflux • Check that the power cord is correctly connected to the mains
dilutor does not
and to the Diluflux
start. • Check the two fuses at the back of the machine (1A each)
The pump does • Switch the dilutor off and on again to reinitialize it, then
not start
re-start the operation.
There are air
• Check that you have correctly inserted the tube in the peristaltic
bubbles in the pump following the flow direction indicated on top of the housing.
diluent
If not, open the pump and insert the tube the other way round.
• Check that the unit has been on for 10 mn
• Check that there are no vibrations on the surface where the
Diluflux is installed
• Check that the unit is perfectly horizontal
The weight is not
• Check that no air draft is affecting the weighing
stable
• Switch off and on again the dilutor to reinitialize it
• Do the calibration again
• Check that the weighing cell and the protection cap are
correctly centered
24 | Diluflux Gravimetric Dilutor
5
EN
Thermo Scientific
PROBLEMS CHECK
• The tube might not be stretched enough. In this case,
remove it from the pump and stretch it several times (not too
The motor emits a
strongly not to rupture it!) and insert it back into the pump
shrill noise but the
as explained in chapter 1.3
pump does not
• The silicone tube might be too long. Either the bottle/pump
rotate.
length is greater than 2.10 m or the pump/nozzle length is
greater than 70 cm. In this case, cut off a piece of tube.
The pump pierces • Check that the tubes are correctly inserted and centered in
the tubes.
the pump as explained in chapter 1.3
The pump does
• The pump is not well adjusted at 4.8 as explained in chapter
not draw up the 1.3 1 , open it and turn the wheel to increase pressure on the
liquid
tubes.
• There is no paper. Please add some.
The printer does
not work and an
• The printer lid is not correctly locked or there might be a
orange circle
problem between the PC board and the printer. Press the
blinks around the
green key until the blinking stops then put the lid back in
green key.
position.
Thermo Scientific
Troubleshooting | Chapter 1
2
.
5
.
EN
Diluflux Gravimetric Dilutor
25
|