Check indication pressure of 423 BF1 PDT 2002 value 2.2 to 2.3 mbar same with CCR operator. Bring down pressure transmitter do zero adjustment result indication become 0.0 mbar output 4.00 mA. Install pressure transmitter at site result indication  0.1 mbar compare CCR around 0.2 mbar. Check at location area sump pump at L63 HS1 found there is no water and sump pump working normal ( EDI & ADI & DADANG )