Technical Manual 9200
REF: 380/5 18
6. Troubleshooting
The hereunder table lists all the reasonable malfunctioning and some advices in order to analyze
them and to fix them:
Observed malfunctioning Checking advice
The screen does not light on when we turn
on the power supply.
Check the wiring connections and the
power supply of the equipment (see § 2.2.1
and 2.3.1).
If it does not solve the problem please
contact Sofraser or your distributor.
The sensor is not vibrating but the screen
lights on.
Check the resistor value between wires A
and B (PIN 11 and 12) and between wires C
and D (PIN 13 and 14).
The screen displays Out Of Range instead of
the viscosity.
The viscosity measured is over the calibrated
range of the unit.
Contact Sofraser or your distributor for a
new calibration.
The screen displays Sensor BREAK.
Check the connections of the wires A to D of
the MIVI sensor on PIN 11 to 14 on the bottom
connector (see § 2.3.2).
The screen displays Pt100 BREAK.
Check the connections of the wires E to G of
the MIVI sensor on PIN 15 to 17 on the
bottom connector (see § 2.3.2).
If the MIVI sensor is not equipped with a
Pt100, just disable temperature
measurement (see § 3.7)
The screen displays an asterisk * on the
bottom right corner.
It indicates that a correlation is activated
(see § 3.3.6).
The temperature is not displayed on the
main screen.
The temperature feature is deactivated (see
§ 3.3.7 to activate it).
The value of the current 4-20 mA output is
not consistent with the measured value
displayed on the main screen.
Check the range of the current output in the
specific notes.
Contact Sofraser or your distributor if the 4-
20 mA output range must be modified.
There is no signal on the current output. Contact Sofraser or your distributor.
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