Vanair 050518, Operations Manual & Parts List

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SECTION 7: TROUBLESHOOTING AIR IN ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 114 090012-OP_r0
WELDER (CONTINUED)
No welder output in CC mode Bad ground connect Make sure of connection. Clean welding
surface.
Faulty electrical circuit Check electrical circuit.
GENERATOR
No AC generator output Serpentine belt slipping or damaged
Re-situate and adjust belt tension, or
replace belt if necessary. Consult
Section
6.6.15, Replacing and Re-tensioning the
Serpentine Belts
. Order replacement
belt—see Table 9A: Recommended Spare
Parts List .
Faulty AC generator relay
Check; replace if necessary.
Faulty capacitor
Check; replace if necessary.
Low AC voltage Engine speed too low for demand Adjust speed control. Consult Section
6.6.13, Adjusting the Engine Speed , and
the Engine Operator’s Manual.
Weak or faulty capacitor Check; replace if necessary.
Belt slipping
Check tension or replace belt ifnecessary.
Consult
Section 6.6.16, Replacing and Re-
tensioning the Serpentine Belts . Order
replacement belt—see Table 9A: Recom-
mended Spare Parts List .
High AC voltage Engine speed too high for demand Adjust speed control. Consult Section
6.6.13, Adjusting the Engine Speed , and
the Engine Operator’s Manual.
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction Possible Cause Corrective Action