Questions

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

A: It may be that no pressure is given to it

Q3: When the modified menu is locked, the alarm relay is frequent. What is the reason and how to deal with it?

A: It is related to the size of the error setting of the alarm, and the difference value of the alarm back in the menu should be set small.

Q4: Why voltage, current display value is partly wrong.

A: It is possible to set up a problem for the connection mode, and the correct connection mode of the voltage or current can be changed in the instrument setting according to the actual connection of the system.


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.