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7-4. Troubleshooting
Trouble
No weld output; unit completely inop-
erative.
No weld output; meter display On.
Erratic or improper weld output.
Notes
Place line disconnect switch in On position (see Section 5-7).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 5-7).
Check for proper input power connections (see Section 5-7).
Input voltage outside acceptable range of variation (see Section 5-6).
Check, repair, or replace remote control.
Unit overheated. Allow unit to cool with fan On (see Section 4-3).
Use proper size and type of weld cable (see Section 5-4).
Clean and tighten all weld connections.
Check for correct polarity.
Remedy
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