- The ABPR does not achieve the set pressure Delta pressure between the CO pump and the ABPR is high.
- Automatic Back Pressure Regulator (ABPR) Convergence Manager ACQUITY UPC.
The ABPR is not responding. The ABPR must be reset.
FIX or WORKAROUND
- Stop CO, Close out of software.
- Power-off the ABPR and wait 10 seconds.
- Power-on the ABPR.
- Start the control software.
- Start the method and ensure that the ABPR is communicating.
- Confirm that the LEDs on the ABPR are on.