User Manual
OPERATION
6
77
OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr
Types of error message
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 77.
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.
NE 107 status Type of
error
Description
Failure Error If an error message is shown in ERROR RECORD (menu item 1.3.1), the current
output goes to the error signal value set in menu item RANGE I (menu item 2.4.2)
after the time set in ERROR DELAY (menu item 2.4.5). For more data about menu
items.
Out of specification Warning If a warning message is shown, there is no effect on the current output value.
Maintenance
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.