SECTION 6: TROUBLESHOOTING
AIR N ARC
®
150 SERIES
PAGE - 52
090043-OP_r0 (MARCH - 2015)
VANAIR MANUFACTURING, INC.
(800) 526-8817 • www.vanair.com
COMPRESSOR (CONTINUED)
Compressor uses too much oil
Clogged inlet filter
Clean inlet filter or replace, if necessary.
Wrong oil being used; wrong viscosity
Drain and replace oil.
Oil level too high
Fill compressor with oil to proper level.
Crankcase breather valve malfunction
Replace crankcase breather.
Compressor runs unloaded too long
Increase load or stop compressor when not
needed. Check for air leaks.
Compressor operating outside in cold
conditions or inlet filter not protected
against weather
Provide adequate protection against
extreme weather conditions. Refer to
Section 6.3, Extreme Condition
Operation
.
Worn piston rings
Replace piston rings.
Piston rings not seated
See
Piston rings not seated
instructions,
below.
Ample time not allowed for new rings to
seat
Allow 100 hours of normal operation for new
rings to seat.
WELDER
Welder and/or battery charger
behave erratically
Connection cables or receptacles are
soiled/contaminated
Check for twisted cables and/or soiled/
contaminated or loose receptacle
connections.
Untwist and/or straighten out any suspected
cable tensions. Carefully wipe off any
contaminants to receptacle connectors
before re-connecting. Replace any worn or
damaged cables or receptacles. Contact the
Vanair Service Department if behavior
persists.
Welding function is not drawing enough
operating power
If running more than one function
simultaneously, turn off competing function.
No welder output
Display not working
Fuse at welder field blown
Replace the welder field fuse.
Loose or faulty wiring
Check wiring: If loose, secure; if faulty,
replace.
Bad welder
Replace welder.
Lights do not turn off
Battery charge low
Flip AC generator switch to bring engine to
high rpm, and charge battery.
Continued on next page
6.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Possible Cause
Corrective Action
