d. Replace wire reel and lock it.
4.5 TROUBLESHOOTING
Whenever a malfunction occurs in the welding system,
e. Close and lock hinged cover.
refer to Table V to determine whether the trouble can
be isolated to the Feeder. Then troubleshoot the Feeder
f, Test for proper brake adjustment by measuring
in accordance with Table VI to repair the trouble.
the amount of wire overrun from a full spool of wire in
Reference to the sequence of operations (Fig. 8),
the PUSH mode. The overrun should be approximately
schematic diagram (Fig. 9), and the wiring diagram
l/2-5/8-inch.
(Fig. 10) may be
desirable.
Welding System Troubleshooting
Symptom
Remedy
Probable Cause
a. Turn ON.
No welding arc with
a. Welding power source
OFF.
power on and gun
trigger depressed.
b. Check and repair
b. Contactor trouble.
c. Repair or replace,
c. Defective cable.
d. See Control manual.
d. Malfunction in Control
e. See gun manual.
e. Malfunction in gun.
f. Malfunction in
Feeder.
a. Turn ON.
No gas flow with
a. Gas source OFF.
power on and gun
trigger depressed.
b. Repair or replace.
b. Clogged line.
c. See gun manual.
c. Malfunction in gun.
d. See Control manual.
d. Malfunction in Control.
e. Malfunction in
Feeder.
a. Turn ON.
No water flow with
a. Water source OFF.
power on and gun
trigger depressed.
b. Repair or replace.
b. Clogged line.
c. See gun manual.
c. Malfunction in gun.
d. See Control manual.
d. Malfunction in Control.
No water flow with
e. Malfunction in
Feeder.
power on and gun
trigger depressed.
a. See Control manual.
a. Malfunction in Control.
No wire feed with
power on and gun
trigger or wire jog
b. Malfunction in
depressed.
Feeder.
c. See gun manual.
c. Malfunction in gun.
53