AIR N ARC
®
I
-300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: TROUBLESHOOTING
090045-OP_r1
PAGE - 57
ENGINE (CONTINUED)
Engine will not start (continued)
Glow plugs not engaging
Check fuse, wiring, and Engine Operation
Manual.
Fuel solenoid is faulty
Replace fuel solenoid.
Improper Control Operation:
Engine does not speed up
Throttle solenoid stuck
Lubricate; replace throttle solenoid if
necessary.
Fuel shut-off solenoid stuck
Free governor and lubricate if necessary.
Operating pressure too high
Adjust to proper pressure setting. Refer to
Section
5.4.2, Adjusting the Pressure
Setting
. Replace if switch continues to
deviate from setting.
If pressure too high, always on high
speed.
Check pressure setting.
Fuel filter partly plugged
Replace fuel filter. Refer to the Engine
Operation Manual.
Auxiliary fuel pump may be needed for
remote fuel tank. Refer to
Section 3,
Installation
.
Pressure switch faulty
Replace pressure switch.
Defective Throttle Control Relay
Solenoid not actuating
Inspect; replace if necessary.
Improper Control Operation:
Engine does not slow down
Leak in control line
Check for leaks; replace line if necessary.
Pressure switch out of adjustment
Adjust to proper pressure setting. Refer to
Section
5.4.2, Adjusting the Pressure
Setting
. Replace if switch continues to
deviate from setting.
Generator switch left on
Turn generator switch off.
Pressure switch faulty
Replace pressure switch.
Throttle solenoid stuck
Free governor and lubricate if necessary.
Refer to Engine Operation Manual.
Engine overheats
Low oil level
Check engine oil level. Consult the Engine
Operation Manual for additional information
on engine maintenance.
Engine coolant level low
Check coolant level; add if necessary.
Located too close to obstruction
Move further from obstruction.
Continued on next page
6.2 TROUBLESHOOTING GUIDE
Use Section 7, Illustrated Parts List, to
visually identify and confirm any part
number that may need to be replaced.
Fault/Malfunction
Possible Cause
Corrective Action
