Section 6 − maintenance and troubleshooting, 1. routine maintenance, 2. troubleshooting – Miller Electric Blu-Fab 3500 User Manual
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SECTION 6 − MAINTENANCE AND TROUBLESHOOTING
6-1. Routine Maintenance
Y Disconnect power before maintaining.
.
Maintain more often during severe conditions.
3 Months
Replace unreadable labels.
Clean and tighten weld terminals.
Repair or replace cracked weld
cable.
Repair or replace cracked gas
hose.
Replace o-ring in Electrode/Gas
Output receptacle if cracked.
6 Months
Blow out or vacuum inside.
OR
6-2. Troubleshooting
Trouble
Remedy
No weld output; fan does not run.
Place line disconnect switch in On position (see Section 4-4).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 4-4).
Check for proper input power connections (see Section 4-4).
No weld output; fan on.
Check and replace if necessary.
Tighten wire feeder connection to Remote 14 receptacle.
Unit overheated. Allow unit to cool (see Section 3-3).
Fan not operating; weld output
available
Check for and remove anything blocking fan movement.
available.
Have Factory Authorized Service Agent check fan motor.