![](/images/new-backgrounds/1209411/20941165x1.webp)
5-8. Welding Troubleshooting Table
|
|
|
|
|
|
|
|
|
|
| Welding Trouble |
|
| Remedy |
|
| |||
No weld output; wire does not feed. | Secure power cord plug in receptacle (see Section | |||
|
|
| ||
|
| Check and replace power switch if necessary. | ||
|
|
| ||
|
| Check supplementary protectors CB1 and/or CB2, and reset if necessary (see Section | ||
|
|
| ||
|
| Replace building line fuse or reset circuit breaker if open (see Section | ||
|
|
| ||
|
| Secure gun trigger plug in receptacle or repair leads, or replace trigger switch (see Sections | ||
|
| Parts List). | ||
|
|
| ||
|
| Thermostat open (overheating). Allow fan to run; the thermostat will close when the unit has cooled (see | ||
|
| Section | ||
|
| |||
No weld output; wire feeds. | Connect work clamp to get good metal to metal contact. | |||
|
|
| ||
|
| Replace contact tip (see Section | ||
|
| |||
Low weld output. | Connect unit to proper input voltage or check for low line voltage (see Section | |||
|
| |||
Low, high, or erratic wire speed. | Readjust front panel settings (see Section | |||
|
|
| ||
|
| Change to correct size drive roll (see Section | ||
|
|
| ||
|
| Readjust drive roll pressure (see Section | ||
|
|
| ||
|
| Replace inlet guide, contact tip, and/or liner if necessary (see Sections | ||
|
|
|
|
|
5-9. Wire Drive/Gun Troubleshooting Table
Wire Drive/Gun Trouble | Remedy |
|
|
Electrode wire feeding stops during | Straighten gun cable and/or replace damaged parts (see Section |
welding. |
|
|
|
| Adjust drive roll pressure (see Section |
|
|
| Readjust hub tension (see Section |
|
|
| Check supplementary protectors CB1 and/or CB2, and reset if necessary (see Section |
|
|
| Replace contact tip if blocked (see Section |
|
|
| Clean or replace wire inlet guide or liner if dirty or plugged (see Sections |
|
|
| Replace drive roll if worn or slipping (see Section |
|
|
| Secure gun trigger plug in receptacle or repair leads, or replace trigger switch (see Section |
| see Parts List). |
|
|
| Check and clear any restrictions at drive assembly and liner (see Section |
|
|
| Have nearest Factory Authorized Service Agent check drive motor. |
|
|