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DR22
0 Radar Level Instrument
X
5 Maintenance, error handling
Replacement of the signal converter
Before replacing the signal converter, note the parameters of the DR22X0 and switch off
the power supply!
1. Disconnect all cables from the terminals in the terminal compartment.
2. Remove the 4 Allen screws M (Allen key size 5 mm) and lift off the signal converter.
The flange unit (incl. waveguide window) will remain tight even with pressurized tanks.
Caution
On pressurized tanks, do not remove the 4 screws H connecting the wave-guide window to
the DR22X0 flange! DANGER!
3. Fit the new DR22X0 converter.
4. Reconnect all cables in the terminal compartment, as described in Section 3.
5. Check against the enclosed report onsettings whether the factory-set parameters are
correct for your application. If not, reset.
6. Record the empty spectrum, see Section 4.
Important: Ensure that the screw threads on the terminal and electronic compartments are
well greased at all times.
M
signal converter
O-ring
distance piece
(for high temperature
version up to 250˚C (482˚F)
H
DR22X0
connecting flange
Error display during measurement (only for versions with local display)
When function 3.2.5 "ERROR. MSG." is set to YES, any error occurring during measure-
ment is indicated in the display and alternates with the measured value for as long as the
error is present.
In addition, all errors are stored. Press the keystroke combination ↵ . → → to get into
the error list. You can page through the list with key → , and acknowledge the errors at the
end - if required - by "QUIT YES". Press key ↵ twice to return to the measuring mode.
Fatal errors (FATAL ERROR), that are detected when the device is started up, make
the DR22X0 instrument inoperable.
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