Q1: Why does the meter shows: HHHH or LLLL
A: It may be the input broken line or the FH value, the FL value setting is incorrect or the temperature of the working environment is not normal or the input signal is incorrect.
Q2: Check the wiring is correct, why the pressure sensor table
does not display
Q3: When the modified menu is locked, the alarm relay is frequent.
What is the reason and how to deal with it?
Q4: Why voltage, current display value is partly wrong.
Q5: The instrument failed to display the required function
A: To see whether this type of
instrument contains this function, the functions of different types of tables
are different, so they cannot be blindly connected.
Q6: Switch input unclosed
A:The circuit and backstage system settings may be checked because
of the virtual connection or backstage setting of the auxiliary contacts on the
switch.
