62-11640 7–20
00031 FAILED TO START - AUTO MODE
• ACTIVATION: Engine has tried to start three times unsuccessfully in the auto start mode.
• UNIT CONTROL: Engine Operation: Shutdown and alarm.
Electric Operation: Alarm condition only.
• RESET CONDITION: Alarm may be manually reset using the display mounted keys or by turning the unit
off, then back on again. If the Configuration is set to Rail Mode, this alarm will reset after 4 hours. Rail
alarm reset will be recorded in the data recorder.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in Notes Section, page 7-2.) Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1. Check For Low Fuel Level
Check fuel level in the fuel tank. Add fuel as needed to the fuel tank.
2. Check For Additional Alarms
a. If this alarm is activated in conjunction with other alarms (00041 & 05012) check F5 & F10. Fuses
must be good. Replace fuse(s) as required. Clear alarms, restart and check for repeat alarm(s).
b. Check for the following alarms: 00040 CHECK ENGINE PREHEAT CIRCUIT and 00035 CHECK
STARTER CIRCUIT. Alarm conditions must be corrected and the alarm cleared to continue.
3. Check Engine Control Unit (ENCU) and Fuel Speed Actuator (FSA)
a. Check voltage from fuse F3 through PCM−34 and SP−18 to ENCU−22. Verify correct fuse, see Fig-
ure 2.5. Must have minimum 11 VDC with the battery connected and SROS in the OFF position.
b. Check voltage from 3MM-9 to ENCU−44. Must have minimum 11 VDC with SROS in the START/
RUN position. If not, energize the run relay output using component test mode (refer to Section
5.2.4) and retest.
c. Check for ground at ENCU-19 and ENCUGND−A (at the battery negative cable connection). If
ground not good, check connectors and wiring between terminals for damage, moisture or corrosion.
d. Inspect fuel/speed actuator (FSA), engine speed sensor (ENSSN) and engine speed control unit
(ENCU) connector pins & terminals. Verify no physical damage to components, and no damage or
corrosion in connectors.
e. Check resistance & amp draw of FSA. Refer to Section 2.11 for specifications.
f. Check FSA plunger. Must move in and out freely. Refer to engine manual.
4. Check Engine Air-intake System
a. Check air cleaner indicator. Flag must not be visible.
b. Inspect air intake system. Verify hoses & tubes in good condition, with no kinks or restrictions.
5. Check For Correct Engine Oil
Check viscosity is correct for ambient conditions. Refer to Section 2.7.
6. Check Engine Exhaust System
Inspect the exhaust system. Must be clear and unobstructed.
7. Check Generator
Check for proper preventative maintenance and operating precautions. Refer to Section 8.9.13
8. Check Engine
Check engine compression. Refer to Engine Workshop manual.
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