Vanair Air N Arc All-in-One Power Systems 300 Operations Manual & Parts List page 119

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AIR IN ARC 300 SERIES ALL-IN-ONE POWER SYSTEM
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Improper Control Operation:
Engine does not speed up
Improper Control Operation:
Engine does not slow down
Engine overheats
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Possible Cause
ENGINE (CONTINUED)
Throttle solenoid stuck
Governor stuck
Fuel filter partly plugged
Leak in control line
Pressure switch out of adjustment
Pressure switch faulty
Throttle solenoid stuck
Governor stuck
Located too close to obstruction.
Engine oil filter plugged
Low oil level
Restricted cooling air in or out
Engine oil cooler plugged
090010-OP_r0
SECTION 7: TROUBLESHOOTING
Corrective Action
Check throttle solenoid. Replace if
necessary.
Check throttle relay; replace if necessary.
Refer to Section 6.6, Servicing the
System Fuses and Circuit Breakers.
Free governor and lubricate if necessary.
Replace fuel filter. Refer to Section 2.4,
Engine, and the Engine Operator's Manual.
Check for leaks; replace line if necessary.
Adjust to proper pressure setting. Refer to
Section 2.2.7, Adjustable Pressure
Switch, and Section 6.5.15, Adjusting the
Pressure Setting. Replace if switch
continues to deviate from setting.
Replace pressure switch.
Check throttle solenoid. Replace if
necessary.
Check throttle relay; replace if necessary.
Refer to Section 6.6, Servicing the
System Fuses and Circuit Breakers.
Free governor and lubricate if necessary.
Move further from obstruction.
Replace engine oil filter. Refer to Section
2.4, Engine, and the Engine Operator's
Manual.
Check engine oil level; refer to Section
6.5.13, Checking the Engine Oil.
Replenish as necessary. Consult the Engine
Operator's Manual for additional information
on engine maintenance.
Clean engine intake grill. Refer to 6.5.12.
Clear debris/dirt from cooler core/flush
shroud. Refer to 6.5.12.
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