62-11389
7
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25
Alarm
NO.
Steps
Alarm/Cause
Corrective Action
34
ENGINE FAILED TO STOP
•
TRIGGER–ON: When in Engine Operation, engine is turning more than 500 RPM for 20 seconds
after unit shutdown or cycled off or Oil Pressure switch is closed longer than 20 seconds after unit
shutdown or cycle off.
•
UNIT CONTROL:
Engine Operation: engine and unit shutdown and alarm.
Standby Operation: this alarm will not activate in standby Operation.
•
RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on
again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (See Note 1 page 7
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2.) Operate the unit through the appropriate modes to see if any active alarm
occurs. Continue with the steps below as necessary.
1
Check For Engine Running
Verify that engine is still running.
Engine should not be running.
2
Check For Bad Engine RPM Sensor Alarm
Check for Alarm 130.
Alarm conditions must be corrected and the alarm
cleared to continue.
3
Check Engine Oil Pressure Switch
a. Inspect switch & connector pins &
terminals.
No physical damage to switch.
No damage or corrosion in connector.
b. Check engine oil switch operation. Contacts close on a pressure rise at 15 psig (1.02
bar.)
Contacts open on a pressure fall at 12 psig (0.82
bar.)
4
Check Engine Oil Switch Harness
a. Inspect harness & control box
connector pins & terminals. (See
wiring schematic Section 10.)
No physical damage to harness.
No damage, moisture, or corrosion in connectors.
b. Check for shorted circuit in
harness, and continuity through the
harness.
Energize circuit. (See Note 2 page 7
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2.)
Battery voltage reading (12-13 VDC) between wires
in plug.
5
Check Fuel/Speed Actuator (FSA) & Circuit
a. Check Run Relay LED.
LED 28 must be OFF.
b. Check voltage at harness to
ENSCU.
0 VDC between
ENSCU13 and ENSCU19 and between
ENSCU24 and ENSCU19
c. Check FSA plunger.
Must be free to move to the stop position (extended
out of the solenoid.)
