![background image](http://html.mh-extra.com/html/montwill/m1/m1_user-manual_1831078023.webp)
20
10. Error elimination
Error description
Measures
1.
The unit permanently indicates
overflow.
• The input has a very high measurement,
check the measuring circuit.
• With a selected input with a low voltage
signal, it is only connected on one side or
the input is open.
• Not all of the activated supporting points are
parameterised. Check if the relevant
parameters are adjusted correctly.
2.
The unit permanently shows
underflow.
• The input has a very low measurement,
check the measuring circuit .
• With a selected input with a low voltage
signal, it is only connected on one side or
the input is open.
• Not all of the activated supporting points are
parameterised. Check if the relevant
parameters are adjusted correctly.
3.
The word
HELP
lights up in the
7-segment display.
• The unit has found an error in the
configuration memory. Perform a reset to the
default values and reconfigure the unit
according to your application.
4.
Program numbers for
parameterising of the input are not
accessible.
• Programming lock is activated
• Enter correct code
5.
Err1
lights up in the 7-segment
display
• Please contact the manufacturer if errors of
this kind occur.
6.
Err2
lights up in the 7-segment
display
• Loop current <3.5 mA
7.
The device does not react as
expected.
• If you are not sure if the device has been
parameterised before, then follow the steps
as written in
chapter 6
and set it back to its
delivery status.
10. Error elimination