Vanair Air N Arc All-in-One Power Systems 300 Operations Manual & Parts List page 127

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AIR IN ARC 300 SERIES ALL-IN-ONE POWER SYSTEM
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Compressor system fails to build-
up pressure (continued)
Compressor relief valve opening
Welder and/or battery charger
behave erratically
No welder output
Display not working
Lights do not turn off
No AC generator output
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Possible Cause
COMPRESSOR (CONTINUED)
Inlet valve fails to open
Inlet valve frozen
Safety switches not operating (these
should shut down the compressor
before the relief valve opens)
WELDER
Connection cables or receptacles are
soiled/contaminated
Welding function is not drawing enough
operating power
Fuse at welder field blown
Loose or faulty wiring
Battery charge low
AC GENERATOR
Serpentine belt out of position or
malfunctioning
090010-OP_r0
SECTION 7: TROUBLESHOOTING
Corrective Action
Repair/replace inlet valve. Refer to Section
6.5.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Repair/replace inlet valve. Refer to Section
6.5.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Check pressure safety switch/control box.
Replace if necessary.
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
®
Vanair Mfg., Inc. Service Department if
behavior persists.
If running more than one function
simultaneously, turn off competing function.
Replace the welder field fuse. Refer to
Section 6.6, Servicing the System Fuses
and Circuit Breakers
Check wiring: Loose—secure ;
faulty—replace.
Flip AC generator switch to bring engine to
high rpm, and charge battery.
Re-situate and adjust belt tension, or
replace belt if necessary. Consult Section
6.5.16, Replacing and Re-tensioning the
Serpentine Belts. Order replacement
belt—see Table 9A: Recommended Spare
Parts List.
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