Sensor alarm 742 — Pressure sensor BP9 fault

What does 742 mean?

This alarm indicates a fault with pressure sensor BP9 connected to the SMO 20. Accurate pressure readings are critical for the system's operation.

• Damaged or faulty BP9 sensor.
• Loose or corroded wiring to sensor BP9.
• Pressure in the system is outside the sensor's measurement range.

Click steps to track your progress.

1. 1

   Visually inspect the BP9 sensor and its wiring for any signs of damage or loose connections.

2. 2

   Check the system's pressure readings on the SMO 20 to see if they are abnormal.

3. 3

   If the sensor appears faulty or the problem persists, contact a service technician for replacement.