Fault: Pressure transmitter output ≥20mA Reason 1: The pressure transmitter power supply is normal. Solution: If less than 12VDC Yunnan boiler pressure transmitter selection, if there is a large load should check circuit, pressure transmitter Pressure to re-use the appropriate scale:;: input impedance load should be consistent with RL≤ (pressure transmitter power supply voltage -12V) / (0.02A) Ω Cause 2 Solution is the actual pressure exceeds the pressure in the pressure transmitter selected range pressure transmitter. Reason 3: The pressure sensor is damaged, serious damage can sometimes overload diaphragm. The solution: to be sent back to the manufacturer for repair. Reason 4: The wiring is loose; solution: take a good line and tighten Reason 5: The power cord wiring is correct. Solution: The power cord should be connected to the appropriate terminals on BST6800-DR Series Differential Pressure Transmitter Features ◆ replace imported micro differential pressure transmitter ◆ Measuring media: liquid ◆ gas stream output current resolution up 3uA ◆ Wide range ratio range can migrate 100: 1 ◆ includes hardware electronics and diagnostic information ◆ meet a variety of field bus standard 4-20mA / HART PROFIBUS-PA ◆ auto-zero temperature compensation technology ◆ transmitter functions can be configured: ◆ ◆ freely programmable linear square root enhanced lightning technology to ensure safe working pressure transmitter ◆ RFI technology unique electromagnetic compatibility (EMC) compliance with IEC61000-4 boiler pressure transmitter retail Yunnan, Yunnan boiler pressure transmitter, Sisson Sisson automation provided by the Guangzhou automation control equipment Limited. Guangzhou Sisson Automation Equipment Co. (www.sisenauto.com) strong, credible, in Guangzhou flow meter industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Guangzhou Sisson automation into the brilliant and you work for a better future!