P4A1: Pressure High Error - Pump A

To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.

System detects a high pressure reading on pump A (P4A1) or pump B (P4B1).

Reduce pressure on air supply to system or pumps.

Relieve pressure if system has been idle. Decrease environmental temperature.

Replace transducer. Verify that cable and AFCM are operational.