Vanair AIR N ARC RELIANT 300 Series Operations Manual & Parts List page 126

SECTION 7: TROUBLESHOOTING
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Engine overheats (continued)
Engine stops during operation
Gradual loss of engine power
For additional information concerning an engine problem, consult the Engine Operator's Manual.
Compressor overheats
This condition will cause a
compressor shutdown and
compressor fault light to turn
on. Before restarting the
compressor, determine the
cause for overheating.
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AIR IN ARC
Possible Cause
ENGINE (CONTINUED)
Fault with engine cooling system
Compressor oil level low (fan
hydraulics depend on compressor oil
level)
Low oil level
High engine temperature
Engine shutdown switch activated
Contaminated fuel
Engine air filter contaminated
Fuel filter(s) contaminated
Low fuel level
Overload
Engine not warmed up
COMPRESSOR
Low compressor oil level
Obstructed fluid cooler
Obstructed cooler fins
090012-OP_r0
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300 SERIES ALL-IN-ONE POWER SYSTEM
Corrective Action
Consult Engine Operator's Manual.
Check oil level and refill to proper level if
necessary (ensure machine is parked on a
level surface). Refer to Section 6.6.3,
Checking the Compressor Oil.
Check engine oil level; refer to Section
6.6.12, Checking the Engine Oil.
Replenish as necessary. Consult the Engine
Operator's Manual for additional information
on engine maintenance.
Let engine cool. Check for engine coolant
level. Refer to Engine Overheats fault.
Confirm that access door is properly in
place. Replace faulty engine shutdown
switch; see Section 1.11, Machine Canopy
Access Safety Switches.
Draw and replace fuel supply.
Check air filter. Replace if necessary (refer
to the Engine Operator's Manual).
Check fuel filters. Refer to Section 2.4,
Engine, and the Engine Operator's Manual
for additional information on engine
maintenance.
Add fuel.
Reduce load; check load use, and reduce
Allow engine to warm up.
Check oil level and refill to proper level if
necessary (ensure machine is parked on a
level surface). Refer to Section 6.6.3,
Checking the Compressor Oil.
Clear debris/dirt from cooler core/flush
shroud.
Clear/clean if required. Refer to Section
6.6.11.
Continued on next page
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