User Manual

6 OPERATION
80
OPTIWAVE 7400-24 C
www.krohne.com 12/2015 - 4003518001 - MA OPTIWAVE7400-24-R01-en
If an "Out of specification" or a "Maintenance" status symbol is shown, refer to menu item 2.2.2
DIAGNOSTIC (Configuration mode / Supervisor menu) for more data.
For data on errors, error records and error codes, refer to
Error handling on page 80.
6.5.2 Error handling
How to find an error record
• Push [>
>>
>] to enter configuration mode from normal mode.
• Push [>
>>
>], 2 × [

] and [>
>>
>] to go to menu item 1.3.1 ERROR RECORD.
• Push 2 × [>
>>
>] to look at the error list. Push [

] or [

] for the selection of an error.
i The error record gives the number of times the error occurred and the time since the last
error message.
Description of errors and corrective actions
Figure 6-9: Error record data
1 Error code for the error
2 Number of times the error occurred
3 Time since the last error record (2 days, 18 hours, 16 minutes and 43 seconds shown in this example)
INFORMATION!
The time since the error occurred is measured in Days (D), Hours (H), Minutes(') and Seconds (").
It only includes the time when the device is energized. The error is saved in the memory of the
device when it is de-energized. The counter continues when the device is energized again.
Error
code
Error Message Status marker
shown
Cause Corrective action
Failure (NE 107 status signal)
ERR 100 Device reset 1 The device detected an internal
error (watchdog timer issue).
Record the data that is in menu
item 2.2.2 DIAGNOSTIC
(Configuration mode /
Supervisor menu). Speak to the
supplier.