OM-233 381 Page 16
SECTION 5 − MAINTENANCE AND TROUBLESHOOTING
5-1.
Routine Maintenance
!
Disconnect power
before maintaining.
= Check
= Change
= Clean
= Replace
* To be done by Factory Authorized Service Agent
Every
3
Months
Damaged Or
Unreadable Labels
Cracked Weld cables
Weld Connections
Every
6
Months
OR
Inside Unit
5-2.
Troubleshooting
Trouble
Remedy
No weld output; fan does not run.
Be sure Power switch is On (see Section 4-1).
Be sure line disconnect switch is in On position.
Check and replace line fuses if open. Reset breakers if necessary.
Fan does not run; weld output okay.
Be sure nothing is blocking movement of fan. If fan does not run freely, replace fan motor.
Erratic or improper weld output.
Clean and tighten all weld cable connections.
Check for proper size and type of cable (see Section 3-6).
Check for proper input and output connections (see Sections 3-6 and/or 3-10).
Replace electrode.
Erratic arc with excessive spatter.
Use dry, properly stored electrodes.
Shorten arc length.
Reduce amperage setting.
Electrode freezing to work.
Increase amperage setting.
Increase arc length.
Use dry, properly stored electrodes.
Low weld output with no control.
Check position of Amperage Control (see Section 4-1).
Limited output and low open-circuit
voltage.
Check incoming power for correct voltage. Replace line fuse if open (see Section 3-10).
voltage.
Check for proper input and output connections (see Sections 3-6 and/or 3-10).
