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SECTION 4 – MAINTENANCE & TROUBLESHOOTING
4-1. Routine Maintenance
4-2. Troubleshooting
Trouble
No weld output; unit completely inoperative; pilot light
not on.
Erratic weld output.
No open-circuit voltage; pilot light on; wire does not
feed.
No open-circuit voltage; pilot light on; wire feeds.
Open-circuit voltage normal; pilot light on; wire does
not feed.
No 115 volts ac output at Remote 14 receptacle RC3. Reset circuit breaker CB1 (see Section 3-1).
No 24 volts ac output at Remote 14 receptacle RC3.
All manuals and user guides at all-guides.com
Y Disconnect power before maintaining.
3 Months
Replace
Unreadable
Labels
Clean And
Tighten
Weld
Terminals
6 Months
OR
Place Power switch in the On position (see Section 3-1).
Place line disconnect switch in the On position (see Section 2-9).
Check line fuse(s); replace if open or reset circuit breaker(s) (see Section 2-9).
Check for proper input connections (see Section 2-9).
Use proper size and type weld cable (see Section 2-6).
Clean and tighten all weld connections (see Section 4-1).
Check for proper input connections (see Section 2-9).
Secure gun trigger connections or see gun Owner's Manual.
Secure plug in Remote 14 receptacle RC3 (see Section 2-7).
Thermostat open (overheating). Allow unit to cool.
Have Factory Authorized Service Agent check contactor W.
Check gun or wire feeder Owner's Manual.
Reset circuit breaker CB2 (see Section 3-1).
Torch, Electrode Holder,
14-Pin Cord
Blow Out
During Heavy
Or
Service,
Vacuum
Clean Monthly
Inside
Remedy
Repair Or
Replace
Cracked
Weld
Cable
Replace
Cracked
Parts
Or Gun Cable
OM-293 Page 15
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