F52 Fault — Mass flow sensor/Venturi contact fault

What does F52 mean?

The mass flow sensor/Venturi is not connected electrically, or its plug is defective or not plugged in correctly.

• Mass flow sensor/Venturi is not connected electrically
• The plug is not plugged in correctly
• The plug is defective
• The slot is defective (loose connection)
• Mass flow sensor/Venturi defective

Click steps to track your progress.

1. 1

   Ensure the plug for the mass flow sensor/Venturi is securely and correctly plugged in.

2. 2

   Check the plug for any defects or damage.

3. 3

   Check the voltages to the mass flow sensor (refer to voltage sheet, requires specialist tools).

4. 4

   If voltages are fine, the mass flow sensor itself may be faulty (contact a technician).