Electromagnetic flowmeter M910
Operation manual
47
7 Error messages
When any error occurs, the flowmeter will display an error message. Errors can arise because of:
• Incorrect control, i.e. faulty connection to the flowmeter, grounding, etc.,
• Flowmeter failure
In case of any error, the error message is displayed on the display for approx. 1 second.
After switching on, an internal test of the hardware is performed. If there were any errors during the test, the
flowmeter would display the appropriate error message.
Types of errors and methods of troubleshooting (if available) are in following table.
Nr
Error Meaning Troubleshooting
01
Current output Current loop is
disconnected.
Connect the current output or switch the current output OFF
(if it is not used). This message can be disabled in “Setup
menu”.
20
Wrong password Wrong password for
setup / calibration /
service menu was used.
Use correct password.
21
Not a number Non numerical value Write the appropriate number.
22
Value too low Entry value is to low Write the appropriate number.
23
Value too high Entry value is to high Write the appropriate number.
24
Wrong format Bad date or time format Write regular date or time format.
25
Datalogger empty No records in datalogger
Datalogger is switched OFF or records have been cleared.
26
Wrong Cal. Point There are 2 or more
calibration constants
with the same nominal
value.
Correct calibration constant values or reduce number of
calibration points.
31
RS232 Frame Err. Valid stop bit missing Communication format RS232 is wrong. Check the Baud
rate (1200 Bd).
45
Excitation Err. Excitation coils error Excitation is not working properly. Contact service
department.
46
Empty pipe No liquid in pipe Fill the pipe with liquid.