KROHNE OPTIWAVE-M 7400 C Short Manual page 68

OPERATION
4
Status Error message
type
F Configuration
Inconsistent NVRAM
Incons. Converter Calib.
Incons. Sensor Calibration
NVRAMs Mismatch
Conv. NVRAM Layout Error
Disp. NVRAM Layout Error
CO Float Error
C Electronics
FW Update
68
Description
Incorrect data in the parameter
memory.
Incorrect calibration data in the
converter module.
Incorrect calibration data in the sensor
module.
The serial number of the display
screen does not agree with the serial
number of the electronics module.
Incorrect data in the parameter
memory.
Incorrect data after an update of the
firmware.
The device cannot use the
2
measurement data because the device
settings are incorrect.
A firmware update of the converter
module continues.
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OPTIWAVE-M 7400 C
Corrective action
De-energize and then energize the
device again.
If the message is shown again, tell
the supplier.
Tell the supplier.
Make sure that the display screen
agrees with the electronic module.
Go to Full Setup > Device >
Information and record the data in
menu items C7.1.5 Electronic Revision
and C7.1.6 Software Revision. If it is
necessary, tell the supplier.
De-energize and then energize the
device again.
If the message is shown again, tell
the supplier.
You must make the device go back to
its factory settings. Enter Program
mode. Set the device to the "Expert"
access level. Go to Full Setup >
Device > Factory Default > Reset to
Factory Default? and set this menu
item to "Yes". Then go back to
Normal mode and set the "Save
Configuration?" page to "Yes". De-
energize and then energize the
device again.
If the message is shown again, tell
the supplier.
Wait for the firmware update to
finish.
02/2019 - MA OPTIWAVE-M 7400 C R01 en