Service manual
7−24
62-11389
Alarm
NO.
Steps Alarm/Cause Corrective Action
31 FAILED TO START - AUTO MODE - Continued
6 Check Engine Air–intake Heater System (This step only applies when the engine coolant
temperature is less than 77°F (25°C.)
a. Check voltage to heater. Must be 11 VDC or higher
b. Check operation of intake air heater
relay.
CAUTION
DO NOT leave the circuit energized for the full 5
minutes if full amperage is shown, as the intake air
heater element life will be greatly shortened.
Using Component Test Mode, refer to Section 5.2.2,
energize the intake air heater relay.
LED 30 must be illuminated.
Amperage must be correct, refer to Section 2.8 for
correct electrical values.
7 Check Engine Air–intake System
a. Check air cleaner indicator. Flag must not be visible.
b. Inspect air intake system. Hoses & tubes in good condition.
No kinks or restrictions.
8 Check For Correct Engine Oil
Check for correct oil viscosity
(weight) for conditions.
Refer to Section 2.8.
Must be correct for ambient conditions.
9 Check Engine Exhaust System
Inspect the exhaust system. Must be clear and unobstructed.
10 Check Generator
Check for proper preventative
maintenance and operating
precautions.
Refer to Section 8.9.9
11 Check Engine
Check engine compression. Refer to Engine Workshop manual