Miller Econotig - SECTION 7 - MAINTENANCE AND TROUBLESHOOTING; 7-1. Routine Maintenance; 7-2. Troubleshooting

OM-303 Page 18
SECTION 7 − MAINTENANCE AND TROUBLESHOOTING
7-1. 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
7-2. Troubleshooting
Trouble Remedy
No weld output; fan does not run. Place line disconnect switch in On position (see Section 5-5).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 5-5).
Check for proper input power connections (see Section 5-5).
No weld output; fan on. Be sure Range/Polarity switch is not set between positions.
Tighten remote control connection to Remote 14 receptacle.
Check remote control (see remote control Owner’s Manual).
Unit overheated. Allow unit to cool (see Section 4-3).
Fan not operating; weld output
available
Check for and remove anything blocking fan movement.
ava
il
a
bl
e.
Have Factory Authorized Service Agent check fan motor.