Troubleshooting Table - Hobart Welding Products Trek 180 Owner's Manual

8-8. Troubleshooting Table

Trouble
No weld output; wire does not feed;
Ready light is off.
No weld output; wire does not feed; Low
Battery light is on.
Batteries do not charge; Low Battery
light goes on when the Power switch is
turned on.
Battery charging takes longer than spe-
cified.
No weld output; wire does not feed;
Ready light is on.
Cooling fan does not run.
No weld output; wire does not feed; Over
Temp light is on.
No weld output; wire feeds.
Weld bead does not penetrate base
metal; filler metal "piles up."
Erratic welding arc when welding with
flux cored wire.
Erratic welding arc when welding with
solid wire and shielding gas.
OM-232 661 Page 34
Place Power switch in On position (Section 7-1).
Unit shuts down after 15 minutes of activity. Reset unit by turning unit off and then on again. (The Ready
light goes on.)
Have a Factory Authorized Service Agent check fuse F3.
Secure power cord in 115 V receptacle and allow batteries to charge (Section 6-8).
Secure power cord in 115 V receptacle and allow batteries to charge (Section 6-8).
If unit is connected to a vehicle power inverter, verify power inverter can supply at least 400 watts
(Section 7-3).
If unit is connected to a vehicle power inverter, reset power inverter. (See power inverter Owner's
Manual.)
Replace fuse or reset circuit breaker in 115 V receptacle circuit.
If unit is connected to a vehicle power inverter, verify power inverter can supply at least 400 watts.
Batteries may need replacement. Contact a Factory Authorized Service Agent.
Check the gun trigger connection (Section 6-2).
Press gun trigger switch.
Cooling fan runs only when unit needs to be cooled. Fan usually does not run at start-up.
Allow cooling fan to cool unit until Over Temp light goes out.
Connect work clamp to get good metal to metal contact.
Verify the correct size contact tip is installed in gun (see Section 8-5).
Check polarity connections (see Section 6-5).
Verify gun is fully seated in drive assembly and securing knob is tight (Section 6-2).
Set weld polarity to match the weld process (Sections 6-6 and 6-5).
Check size of contact tip in gun, and replace tip if size is incorrect (Section 8-5).
Check wire spool hub tension, and adjust if necessary (see Section 6-9).
Check gun contact tip, and replace if worn (Section 8-5).
Set weld polarity to match the weld process (Sections 6-6 and 6-5).
Check gas supply, hose, regulator, and connections, and ensure gas is flowing (no leaks).
Check wire spool hub tension, and adjust if necessary (see Section 6-9).
Verify gun is fully seated in drive assembly and securing knob is tight (Section 6-2).
Check gun o−rings, and replace if worn or damaged.
Remedy