2. Air leak in the system. Check the air lines for any leaks. Repair any leaks found.
3. Air compressor not working properly. Check the air compressor for any damage or leaks. Repair or replace the air compressor if necessary.
4. Governor is faulty. Replace the governor.
5. Check the air dryer. If the air dryer is clogged, it can cause low air pressure. Replace the air dryer if necessary.
6. Electrical issue. Check the electrical connections to the low air pressure buzzer. Make sure the connections are clean and tight. Check for damaged wires or connectors. Repair or replace any damaged wires or connectors.
