User Manual

OPERATION 6
79
OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr
ERR 204 Sensor no Signal 3 The device's hardware is
defective.
Replace the signal converter.
For more data, refer to How to
turn or remove the signal
converter on page 35.
ERR 206 Sensor Microwave
failure
1 The device's hardware is
defective.
Replace the signal converter.
For more data, refer to How to
turn or remove the signal
converter on page 35.
ERR 207 Sensor Memory
failure
1 The device's hardware is
defective.
Replace the signal converter.
For more data, refer to How to
turn or remove the signal
converter
on page 35.
ERR 208 Sensor Voltage
failure
3 The device's hardware is
defective.
Do a check of the power supply
at the device terminals. Make
sure that voltage values are in
the specified limits in menu
item 2.2.2 DIAGNOSTIC
(Configuration mode /
Supervisor menu). If the voltage
is correct, replace the signal
converter. For more data on
how to replace the signal
converter, refer to How to turn
or remove the signal converter
on page 35.
ERR 210 Sensor Not
compatible
1 The software version of the
sensor is not compatible with
the software version of the
signal converter.
Go to menu 1.1.0 IDENT. in
Configuration mode. Record the
version numbers of the device
software given in menu items
1.1.2, 1.1.3 and 1.1.4. Give this
data to the supplier.
1 Defective wiring.
Out of specification (NE 107 status signal)
ERR 102 Temperature Out of
Range
1 The ambient temperature is
outside the given range. This
can cause loss or corruption of
data.
Measure the ambient
temperature. De-energize the
device until the ambient
temperature is back in the given
range. If the temperature does
not stay in the correct range,
make sure that there is
insulation around the signal
converter. If this error occurs 2
times, replace the device.
ERR 201 Overfill 2 The level is in the blocking
distance. There is a risk that the
product will overflow and/or
cover the device.
Remove some of the product
until the level is below the
blocking distance.
ERR 203 Peak Lost 2 The signal peak is not found
within the measuring window
that filters the signals received
by the antenna. The
measurement is not correct.
The device will automatically
increase this window to find the
correct signal.
Do a check of the device, tank
and the process and make sure
that the data agrees with the
device configuration. If
necessary, record a new empty
spectrum. Follow the
instructions on page 75. If
necessary, speak to the
supplier.
Maintenance (NE 107 status signal)
Error
code
Error Message Status marker
shown
Cause Corrective action