Suction Pressure Sensor Fault 57

What does 57 mean?

A fault has been detected with the suction pressure sensor. This could be caused by a disconnected harness, broken wire, an electrical short, or heat damage during brazing. The system will reset after 15 minutes.

• Sensor Harness not connected to ODU control
• Broken or loose harness wire
• Electrical short destroyed Transducer electronics
• Heat damage during brazing

Click steps to track your progress.

1. 1

   Ensure the sensor harness plug is securely connected to the ODU control board.

2. 2

   Check the harness for continuity to detect any broken or loose wires.

3. 3

   Compare the transducer reading with a gauge reading taken at the service valve.

4. 4

   Check the system for electrical shorts and correct them; replace the transducer if damaged.

5. 5

   If heat damage from brazing is suspected as the cause, replace the transducer.