Engine Failed to Stop
engine
Description
Engine failed to stop means engine speed stays above 500 RPM for 20 seconds after shutdown or cycling off, and the unit shuts down and alarms.
Activation Conditions
Engine is turning more than 500 RPM for 20 seconds after unit shutdown or cycled off.
Unit Behavior
Shutdown and alarm.
Reset Conditions
Alarm may be manually reset via keypad or by turning the unit off, then back on again.
Corrective Actions
1. Check to Ensure Engine is Running: Verify that engine is still running. Engine should not be running. 2. Check Start/Run-Off Switch and Circuit a. Check SROS. It must be in the OFF position. b. Check two way communication equipment. It must not be wired so unit can start with SROS in the OFF position. Correct wiring as needed. c. Check voltage to 2MM-35: 0 VDC at 2MM-35 (including SP-9) and 3MM-16. 3. Check For Alarm 00130 Check Engine RPM Sensor. 4. Check Fuel Speed Actuator (FSA) and Circuit a. Check voltage to ENCU-44. Must have 0 VDC between 3MM-9 and ENCU-44. b. Check FSA plunger. Must move in and out freely. Refer to engine manual.