Hobart Welding Products 210 manual Troubleshooting Table, Trouble Remedy, Does not run

Page 30

7-8. Troubleshooting Table

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

 

Remedy

 

 

No weld output; wire does not feed; fan

Secure power cord plug in receptacle (see Section 5-6).

does not run.

 

 

 

Replace building line fuse or reset circuit breaker if open.

 

 

 

 

 

 

 

Place Power switch in On position (see Section 6-1).

 

 

 

 

 

Reset welding power source supplementary protector (see Section 7-2).

 

 

No weld output; wire does not feed; fan

Thermostat TP1 open (overheating). Allow fan to run with gun trigger switch off; thermostat closes when

motor continues to run.

unit has cooled (see Section 4-2).

 

 

 

 

 

Check Voltage range switch position. Rotate knob until it “clicks” into detent at desired range setting.

 

 

 

 

 

Secure gun trigger leads (see Section 5-1).

 

 

No weld output; wire feeds.

Connect work clamp to get good metal to metal contact.

 

 

 

 

 

Replace contact tip (see Section 7-5).

 

 

 

 

 

Check for proper polarity connections (see Section 5-4).

 

 

 

 

 

Check thumbscrew securing gun end to feed head adapter and tighten if necessary.

 

 

Low weld output.

Connect unit to proper input voltage or check for low line voltage.

 

 

 

 

 

Place voltage switch in desired position (see Section 6-1).

 

 

Electrode wire feeding stops during

Straighten gun cable and/or replace damaged parts.

welding.

 

 

 

Adjust drive roll pressure (see Section 5-11).

 

 

 

 

 

 

 

Change to proper drive roll groove (see Section 7-4).

 

 

 

 

 

Readjust hub tension (see Section 5-8).

 

 

 

 

 

Replace contact tip if blocked (see Section 7-5).

 

 

 

 

 

Clean or replace wire inlet guide or liner if dirty or plugged (see Section 7-4or Section 7-6).

 

 

 

 

 

Replace drive roll or pressure bearing if worn or slipping (see Section 7-4).

 

 

 

 

 

Secure gun trigger leads or repair leads (see Section 5-1).

 

 

 

 

 

Check and clear any restrictions at drive assembly and liner (see Section 5-11or Section 7-6).

 

 

 

 

 

Gun is not secured to feed head. Check thumbscrew securing gun end to feed head adapter and tighten

 

 

if necessary.

 

 

 

 

 

Have nearest Factory Authorized Service Agent check drive motor.

 

 

 

 

 

OM-227 978 Page 26

Image 30
Contents Description OM-227 978AProcesses 2006−12From Hobart to You Table of Contents − Parts List Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer unIncendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures graves’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesSpecifications − SpecificationsSymbols And Definitions − DefinitionsAmperes Duty Cycle And OverheatingVolt-Ampere Curves Output− Installation Installing Welding GunInstalling Work Clamp Process/Polarity Table Changing PolarityInstalling Gas Supply Selecting a Location And Connecting Input Power Do not move or operate unit where it could tipFirst, and never to a line ter- minal Electrical Service Guide Installing Wire Spool And Adjusting Hub TensionInstalling Contact Tip And Nozzle Flux NozzleConnecting Optional Spool Gun Appropriate settingThreading Welding Wire Hold wire tightly to keep it from unraveling− Operation ControlsWeld Parameter Chart For 230 VAC Model 227 949-A Overload Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Cleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyDoes not run OM-227 978 − Electrical Diagram Circuit Diagram227 951-A − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsThickness to Amperage a Typical MIG Process Control SettingsWire Size Amperage Range AmperageHolding And Positioning Welding Gun Cored wire Conditions That Affect Weld Bead ShapePoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Common MIG Shielding Gases Troubleshooting − Waviness Of BeadTroubleshooting − Distortion ApplicationTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feedOM-227 978 − Parts List Main AssemblyDia Part Description Quantity Dia Part Description Quantity Mkgs H-14 Gun 231Optional Drive Rolls OptionsConsumables Page Work like a Pro Service SupportAssistance Contact your Distributor for Hobart Welding Products
Related manuals
Manual 56 pages 12.21 Kb