Miller Gold Seal GS-250 Instrukcja obsługi - Strona 28
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4-8. Troubleshooting
Welding Trouble
No weld output; wire does not feed.
No weld output; wire feeds.
Low weld output.
Wire Drive/Gun Trouble
Electrode wire feeding stops during
welding.
OM-1311 Page 24
Secure power cord plug in receptacle (see Section 2-12).
Reset circuit breaker CB1 (see Section 4-2).
Replace fuse F1 and/or F2 (see Section 4-3).
Replace building line fuse or reset circuit breaker if open (see Section 2-12).
Secure gun trigger plug in receptacle or repair leads, or replace trigger switch (see Section 2-7 and/or
4-7).
Thermostat TP1 open (overheating). Allow fan to run; the thermostat will close when the unit has cooled
(see Section 2-3).
Connect work clamp to get good metal to metal contact.
Replace contact tip (see Section 4-5).
Connect unit to proper input voltage or check for low line voltage (see Section 2-12).
Straighten gun cable and/or replace damaged parts (see Section 4-6).
Adjust drive roll pressure (see Section 2-13).
Readjust hub tension (see Section 2-8).
Replace contact tip if blocked (see Section 4-5).
Clean or replace wire inlet guide or liner if dirty or plugged (see Section 4-6).
Replace drive rolls if worn or slipping (see Section 4-4).
Secure gun trigger plug in receptacle or repair leads, or replace trigger switch (see Section 2-7 and/or
4-7).
Check and replace F1 and/or F2 (see Section 4-3).
Check and clear any restrictions at drive assembly and liner (see Section 4-6).
Have nearest Factory Authorized Service Agent check drive motor.
Check relay CR1, and replace if necessary.
Remedy
Remedy