OM-314 Page 16
SECTION 4 – MAINTENANCE & TROUBLESHOOTING

4-1. Routine Maintenance

.Maintain more often
during severe conditions.
YDisconnect power
before maintaining.

3 Months

Replace
Unreadable
Labels
Repair Or
Replace
Cracked
Weld
Cable

3 Months 6 Months

Clean
And
Tighten
Weld
Terminals
Blow Out
Or
Vacuum
Inside
During Heavy
Service,
Clean Monthly
OR

4-2. Troubleshooting

Trouble Remedy

No weld output. 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).
Check for proper jumper link position (see Section 2-9).
Erratic or improper weld output. Use proper size and type weld cable (see Section 2-6).
Clean and tighten all weld connections (see Section 4-1).
Be sure electrode is dry and proper type for SMAW.
Check connections at input terminal board TE1 (see Section 2-9).
Fan motor FM does not run. Check line fuse(s); replace if open or reset circuit breaker(s) (see Section 2-9).
Check and clear blocked fan blade.
Have Factory Authorized Service Agent check fan motor.
Low weld output. Check for proper input connections (see Section 2-9).
Check for proper jumper link positions (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).
Low weld output; Amperage Adjustment control does
not control weld output. Reset control circuit overload breaker CB1 (see Section 3-1).