- The ABPR does not achieve the set pressure
- Delta pressure between the CO2 pump and the ABPR is high
- Automatic Back Pressure Regulator (ABPR)
- Convergence Manager
- ACQUITY UPC2
The ABPR is not responding. The ABPR must be reset.
FIX or WORKAROUND
- Stop CO2 flow.
- 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.