E22 : No Component B Transducer

  • Replace the pressure transducer
  • Check transducer B connection at J8, (E-20/E-XP1) or J3, (E-30/E-XP2), on motor control board.
  • Clean the plug and socket of transducer connection by unplugging and spraying commercially available contact cleaner and reconnecting.
  • Reverse B and A transducer connections. If error moves to transducer A (E21), replace the transducer B. If error does not move then replace the motor control board.