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P M 13 7 9
12
5-4 TROUBLESHOOTINGS.
No weld output; wire does not feed; fan
does not run.
Table 5-1. Welding Trouble
RECOMENDED ACTION
TROUBLE
Low weld output.
No weld output; wire does not feed; fan
motor continues to run.
No weld output; wire feeds.
Straighten gun cable and/or replace damaged parts.
Adjust drive roll pressure.
Change to proper groove.
---------------- ------------------ -------------------- ---------------
Replace contact tip if blocked
Clean or replace wire inlet guide or liner if dirty or plugged.
Replace drive roll or pressure bearing if worn or slipping.
Secure gun trigger plug in receptacle.
Check and replace motor fuse F1.
Check and clear any restrictions at drive assembly and liner.
Have nearest Factory Authorized Service Station/Service Distributor check drive
motor.
RECOMMENDED ACTION
TROUBLE
Table 5-2. Wire Drive/Gun Trouble
Wire feeding stops during welding
Secure power cord plug in receptacle.
Replace building line fuse or reset circuit breaker if open.
Secure gun trigger plug in receptacle.
Power switch in On position.
Have Factory Authorized Service Station/ Service Distributor check all board
connections and shut down PC1 board.
Connect work clamp to get good metal to metal contact.
Replace contact tip.
Check for proper connections at polarity changeover board.
Connect unit to proper input voltage or check for low line voltage
Place voltage switch in desired position.