KROHNE UFM 500 EN User Manual
Page 21
21
4.3
Error messages
4.3.1
Description of error messages as shown in display
The following list gives all errors that can occur during process flow measurement.
List of
errors
*
When errors are displayed during the measuring mode and in the ERRORLIST in the Reset/Quit menu, “a
numeral” and “Err” will appear in the 1
st
(top) line. The numeral gives the number of momentarily occurring
errors that are displayed alternately with the actual measured value.
**
No output in measuring mode. With these errors, the signal converter is automatically in the setting mode.
***
These errors are additionally identified by the flashing compass field.
❑
Invoke and then terminate setting mode
.
Keystrokes:
→
and
↵
or
→
/ [9-keystroke entry code 1] and
↵
(dependent on setting in fct. 3.6.2); then
acknowledge error(s) in Reset/Quit menu.
❍
Invoke and then terminate setting mode.
Keystrokes:
→
and
↵
or
→
/ [9-keystroke entry code 1] and
↵
(dependent on setting in fct. 3.6.2); then
acknowledge error(s) in Reset/Quit menu.
Consult factory if these errors occur several times in succession.
✧
Check electrical connection of US path 1+2 and make sure that the measuring tube is completely filled with fluid.
If in order, please consult factory.
2 Err
A
D
B
D
C
Error messages
Error output in measuring mode via display
(see fct. 3.2.6) dependent on setting.
Display
2
nd
(middle) line
Description of error
Rectify instrument fault
and / or
clear error message
NO MESS
US
ERROR
TOTAL
ERROR
ALL
ERROR
LINE INT.
Power failure since last setting
Note: no counting during power failure
❑
Reset totalizer(s) if necessary
-
-
yes
yes
TOTALIZER
Counts lost or totalizer overflow
Note: totalizer was reset!
❑
-
-
yes
yes
EEPROM 2
Data error in EEPROM 2 (totalizer)
Note: totalizer deviation possible
❑
Reset totalizer(s) if necessary
-
-
yes
yes
RAM
Check-sum error in RAM
❍
-
-
-
yes
ROM
Check-sum error in ROM
❍
-
-
-
yes
US PATH 1 ***
US path 1 faulted
✧
-
yes
-
yes
EMPTY PIPE ***
Measuring tube empty
✧
-
yes
-
yes
US PATH 2 ***
US path 2 faulted
✧
-
yes
-
yes
FREQ.OUTP. F
Frequency output overranged
❑
If necessary check data, fct.3.4.0
-
-
-
yes
CUR. OUTP. I
Current output overranged
❑
If necessary check data, fct.3.3.0
-
-
-
yes
EEPROM 1
Data error in EEPROM 1
(parameters)
Check instrument parameters
❍
**
**
**
**
CAL. DATA
Calibration data lost
Recalibrate signal converter, please
consult factory
**
**
**
**
EE1 EE2
Current calibration values EEPROM
1 + 2 are different
Terminate setting mode
(press 1 x
↵
-key), values corrected
automatically.
**
**
**
**
Error representation
A
Compass field (flashes when errors marked “
∗∗∗
” above occur).
B
Number of errors that have occurred.
C
Plain text for error message(s).
D
With bar:
“new” errors, not yet acknowledged.
Without bar:
“old”, acknowledged errors.
see section 4.4.3