804-R010-330 datasheet(24/32 Pages) MAGNETROL

24 / 32 page

50-604 Kotron Model 804 Sentinel II RF Level Transmitter

3.1.4 View Version #

The View Version # menu enables the user to verify the

version number of the software of the unit.

3.1.5 Factory Presets

The Factory Presets menu allows setting of special factory

functions. This menu should only be used with guidance

from factory personnel. Contact the factory for assistance.

3.1.6 Troubleshooting Procedures

The chart below describes error messages that can appear

on the Sentinel II display.

Display

Cause

Solution

Open

probe

The capacitance being

measured by the unit is too

low. Possible causes include

missing probe; missing/broken

probe wire; or a poorly

connected probe wire.

Check the interconnection

wire between the probe

and the preamplifier.

Shorted

probe

Probe resistance between the

center connection and mount-

ing nut is less than 1 megohm.

Possible causes include a bare

probe in conductive media or

a damaged insulated probe in

a conductive media.

Check the probe resistance

by connecting an ohmmeter

between the center connec-

tion and the mounting nut.

If the resistance is less than

infinity, contact the factory.

Probe

error

Probe capacitance exceeds

50,000 pF.

Contact the factory for

application assistance.

return

signal

Occurs when the oscillator is

not receiving a signal. Possible

causes include a shorted

probe; missing/broken inter-

connection cable between

the preamplifier and the main

electronics (remote only); or

a defective circuit board.

If the probe is a shorted

probe, follow the instruc-

tions above for shorted

probe.

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