(1) Loop check
Whether the pressure transmitter UPB5 is short-circuited, open-circuited, or grounded at multiple points. Note: Do not use a voltage higher than I00V when checking the circuit.
(2) Output pulsation
Adjust the damping potentiometer.
(3) Pressure pipe
① Check whether there is gas in the liquid pressure pipe;
② Check whether there is any liquid in the gas pressure pipe.
(4) Electrical connection
① Check whether the pressure transmitter UPB7 is short-circuited or open-circuited;
②Ensure that the connectors are clean and reliable, and check the connection of sensitive components;
③ Check whether the pins are connected to the shell.
For details, please contact Qi Huang