Vanair AIR N ARC RELIANT 300 Series Operations Manual & Parts List page 131

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AIR IN ARC 300 SERIES ALL-IN-ONE POWER SYSTEM
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
System operating pressure below
specified minimum (continued)
Excess amount of oil in air
discharge
Excessive moisture in the
compressed air
Welder and battery charger
behave erratically
No welder output
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Possible Cause
COMPRESSOR (CONTINUED)
Inlet valve frozen shut
Machine not on level surface
Compressor oil level too high
Scavenger system not operating
Coaleser element plugged or damaged Replace the coalescer element. Consult
Moisture accumulating in air tank
WELDER
Connection cables or receptacles are
soiled/contaminated
Welding function is not drawing enough
operating power
Fuse at welder field blown
090012-OP_r0
SECTION 7: TROUBLESHOOTING
Corrective Action
Repair/replace inlet valve. Refer to Section
6.6.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Move machine to level surface.
The correct oil level is between the bottom
of the oil port threads (low level) to the top
lip of the port's threads (high level). Drain
excess oil to correct level.
Tank not positioned with the drain at its
lowest point. Reposition machine. NOTE:
Machine must be operated while on a level
surface in order for proper compressor oil
circulation throughout the system.
Inspect scavenger line for obstructions or
leaks. Replace if necessary.
Section 6.6.6, Replacing the Spin-on Air/
Oil Coalescer. Order replacement
coalescer element—see Table 9A: Recom-
mended Spare Parts List.
Drain water from air tank. Refer to Section
6.6.9, Draining the Air Tank.
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
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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 6.7, Servicing the System Fuses
and Circuit Breakers
Continued on next page
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