AIR IN ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 7: TROUBLESHOOTING
090034-OP_r0
PAGE - 107
WELDER (CONTINUED)
No welder output
Fuse at welder field blown
Replace the welder field fuse. Refer to
Section 6.7,
Servicing the System Fuses
and Circuit Breakers
Low battery voltage
Check/replace battery
No welder output in CC mode
Bad ground connection
Make sure of connection. Clean welding
surface.
BATTERY BOOSTER/CHARGER
No output
(Note: Must be hooked to a
battery for output)
Bad connection
Check all connections
Battery damaged or voltage too low
Replace battery
Fuse at generator blown
Replace fuse. Refer to
Section 6.7,
Servicing the System Fuses and Circuit
Breakers
AC GENERATOR
No AC generator output
Serpentine belt slipping or damaged
Re-situate and adjust belt tension, or
replace belt if necessary. Consult
Section
6.6.14, Replacing and Re-tensioning the
Serpentine Belts
. Order replacement
belt—see
Table 9A: Recommended Spare
Parts List
.
Circuit breaker tripped
Reset circuit breaker (two located on
machine and two located on panel)
Faulty AC generator relay
Check; replace if necessary.
Faulty capacitor
Check; replace if necessary.
Low AC voltage
Motor speed too low
Check Hz and adjust PTO
Weak or faulty capacitor
Check; replace if necessary.
Belt slipping
Check tension or replace belt if necessary.
Consult
Section 6.6.14, Replacing and Re-
tensioning the Serpentine Belts
. Order
replacement belt—see
Table 9A: Recom-
mended Spare Parts List
.
Cap mF too small
Check cap mF
High AC voltage
Motor speed too high
Check Hz and adjust PTO
Cap mF too large
Check cap mF
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Possible Cause
Corrective Action