Trouble Shooting; Initialisation And Software Upgrade - Fisher AVS 470 Manual De Instrucciones

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2.4

Trouble shooting

Check whether the AVS 470 Viscosity Measuring Unit is switched on:
Air bubbles in the viscometer
Is the filling quantity sufficient? Check, fill viscometer if required.
Is the viscometer of properly connected?
in the case of pressing operation, please check whether the filling tube is connected; if necessary
-
connect properly.
for operation in suction mode, please check whether the capillary tube is connected; if necessary,
-
connect properly
please check whether the venting port is tightly connected; if necessary re-tighten its screwed
-
connection.
Over-pumping of measurement medium in the thermostat bath:
Is the tubing set properly connected?
for pressing operation
-
for operation in suction mode
-
When the using stands:
check position of the rack within the stand
-
check the electrical connection from the viscometer to the ViscoPump type II module
-
When using TC viscometers:
Is the viscometer properly connected?
2.5

Initialisation and Software upgrade

2.5.1
Initialisation
At the time of delivery, all memory values of the AVS 470 Viscosity Measuring Unit are set to starting values
(so-called default values). If it should prove necessary to restore this delivery status at any time, this can be
achieved in the form of a so-called initialisation. This process is triggered by simultaneously pressing the "Up
↑ " and "Down ↓ "key for at least 2 seconds as shown in figure 5 after switching the device off and on again,
initialisation is completed.
2.5.2
Software upgrade
The software of the AVS 470 Viscosity Measuring Unit can be upgraded, but such an upgrade has to be
done by specially trained service personnel. If such an upgrade should become necessary, please contact
Schott Instruments (address can be found at the end of the present operating instructions) to take the
required action.
Chapter 2 initial operation

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