Comparc S-512P CV - Section 5 - Maintenance & Troubleshooting; Routine Maintenance; Troubleshootings

PM1395
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5-1 ROUTINE MAINTENANCE
TIME
Replace unreadable labels, clean and tighten weld terminals, tape or replace cracket weld cable,
replace cracket parts (such as 14-pin cord, gas hose, cable gun), clean and tighten input/output
terminals.
Each 3 Months
Each 6 Months
MAINTENANCE
Blow out or vacuum inside, during heavy service clean monthly, clean drive rolls.
SECTION 5 MAINTENANCE &
TROUBLESHOOTING
WARNING
SEE SAFETY SIGNAL at the beginnig this manual.
Remove carefully slags arround tip gun using
wood, NEVER USE METALIC TOOLS.
Slags acumulation on MIG gun tip.
WIRE DOES NOT BE FEEDED
Replace gun. Reset CB1 and change F1 if
necessary.
WIRE DOES NOT BE FEEDED UNTIL
TRIGGER IS PULLED, BUT CONTINUES TO
FEED AFTER TRIGGER IS RELEASED
Check for short circuit between welding gun trigger
leads and weld cable.
GAS VALVE IN FEEDER IS RATING
LOUDLY ALONG WITH POSSIBLY
ERRATIC OR SLOW WIRE FEED SPEED
Check for short circuit between welding gun trigger
and weld cable.
Replace the gun. Restart CB1 and change F1
if necessary.
F1 Fuse.
Incorrect or wrong trigger connection.
Gun trigger.
Motor.
PC1 control board.
Check F1 fuse and replace if necessary.
Check trigger connections.
See owner´s manual of MIG gun.
Replace motor.
Replace PC1.
5-2 TROUBLESHOOTINGS
TROUBLE PROBABLE CAUSE REMEDY
WIRE FEEDER DOES NOT WORK
Readjust drive roll pressure by turning clock
pressure assembly gear until getting required
pressure.
Change to correct size drive rolls.
Replace drive rolls.
Cleand or replace drive rolls.
Replace PC1.
ERRATIC WIRE FEED
Drive rolls pressure.
Incorrect drive rolls size according applications.
Worn drive rolls.
Dirty drive rolls.
PC1 control board.