SECTION 6: TROUBLESHOOTING
AIR N ARC
®
150 SERIES
PAGE - 42
090051-OP_r0 (FEB-2014)
Vanair Manufacturing, Inc.
vanair.com • 800-526-8817
6.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Possible Cause
Corrective Action
ENGINE
For additional information concerning the engine, consult the Engine Owner’s Manual
Engine will not crank
Faulty battery connection.
Check for proper battery connections and
battery charge.
Battery out of power
Recharge or replace battery.
Engine fuse blown or faulty
Check engine fuse (consult the Engine
Owner’s Manual).
Faulty starter connection
Check for proper electrical connections at
starter.
Poor ground connection
Check and clean/renew connection.
Faulty starting solenoid
Replace solenoid.
Engine will crank, but not start
Low fuel and/or oil supply
Check fuel gauge. Check engine oil level;
replenish as necessary. Refer to the Engine
Owner’s Manual for additional information
on engine maintenance.
Pinched fuel line
Replace or reroute if necessary.
Plugged fuel filter
Replace if necessary. Refer to the Engine
Owner’s Manual for additional information
on engine maintenance.
Low battery voltage
Recharge or replace if necessary.
Loose connections; tighten connections.
Dirty connections; clean connections.
Plugged engine air filter
Replace engine air filter. Refer to Engine
Owner’s Manual.
Poor ground connection
Check and clean/renew connection.
Fouled spark plug
Check spark plug and replace if necessary.
See Engine Owner’s Manual.
Engine choke not operating properly
Check engine choke position.
Faulty starter motor
Replace starter.
Improper Control Operation:
Engine does not speed up
Throttle solenoid stuck
Check throttle solenoid. Replace if
necessary.
Check throttle relay; replace if necessary.
Governor stuck
Free governor and lubricate if necessary.
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