Check Fuel Sensor Circuit
fuel
Description
Fuel level sensor reads less than 2% for 30 seconds when configured YES; engine operation alarm only, and it does not activate in electric operation.
Activation Conditions
The fuel level sensor is configured “YES” and the reading (in the Unit Data) is less than 2% for 30 seconds.
Unit Behavior
Engine Operation: Alarm Only. Electric Operation: This alarm does not activate in electric operation.
Reset Conditions
Auto reset when fuel level is sensed above 4% for 30 seconds or, alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
Corrective Actions
1. Check for Low Fuel Level - Check fuel level in tank. Add fuel as needed. 2. Check Sensor Wiring a. Inspect wiring from 1-3MSM-12 to FLS-A, 1-3MSM-34 to FLS-B, and 1-3MSM-23 to FLS-C Verify there is no physical damage to harness, and no damage, moisture, or corrosion in connectors. b. Perform sensor check procedure. Refer to Section 8.6.7. NOTE If new sensor is not available, the sensor may be configured OFF temporarily. Refer to Section 5.2.3 - Configurations.