System does not detect the pump A (DKA1) or Pump B (DKB1) reed switch sensor, or detects an invalid state.
Flip reed switch 180 degrees to align with magnet in air valve.
Verify cable is connected on both ends. Verify that reed switch, cable, and AFCM are operational. Replace any malfunctioning component.
Verify that magnet is installed properly and is operational.