Miller Electric INTEGRA 201/241 manual Troubleshooting, Trouble Remedy

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4-4. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

 

Remedy

 

 

No weld output; wire does not feed.

Be sure line disconnect switch is On (see Section 2-8).

 

 

 

 

 

Replace building line fuse or reset circuit breaker if open (see Section 2-8).

 

 

 

 

 

Reset circuit breaker CB1 (see Section 4-2).

 

 

 

 

 

Secure gun trigger connections.

 

 

 

 

 

Check and replace Power switch if necessary.

 

 

No weld output; overload light on

Thermostat TP1 open (overheating). Allow fan to run; the thermostat will close when the unit has cooled

 

 

(see Section 2-2).

 

 

 

 

 

An overload condition occurred. Release gun trigger (see Section 4-3).

 

 

Low weld output.

Connect unit to proper input voltage or check for low line voltage (see Section 2-8).

 

 

No wire feed.

Reset circuit breaker CB1 (see Section 4-2).

 

 

 

 

 

Turn Wire Speed control to higher setting (see Section 3-1).

 

 

 

 

 

Clear obstruction in gun contact tip or liner.

 

 

 

 

 

Readjust drive roll pressure.

 

 

 

 

 

Change to correct size drive rolls (see Section 2-5).

 

 

 

 

 

Check gun trigger and leads. Repair or replace gun if necessary.

 

 

 

 

 

Have Factory Authorized Service Agent check main control board.

 

 

Poor weld bead, or welding

Check polarity setting for type of welding wire being used.

wire is noodle welding.

 

 

 

 

 

 

 

 

OM-188 414 Page 11

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Contents OM-188 414C ProcessesDescription From Miller to You Table of Contents Standards DirectivesElectric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationInstallation SpecificationsDuty Cycle and Overheating Installing Gas Supply Volt-Ampere CurvesModel Installing Drive Roll and Wire Inlet Guide Installing Wire Spool and Adjusting Hub TensionElectrical Service Guide Installing Work Clamp Selecting a Location and Connecting Input PowerControls OperationUnit Overload Maintenance and TroubleshootingRoutine Maintenance Circuit Breaker CB1Trouble Remedy TroubleshootingIntegra Electrical DiagramCode Dwg Parts ListCommon Parts Assembly Dia Code DwgMain Assembly DiaDia Qty Code Dwg 201 Effective January 1 Miller Electric Mfg. Co Owner’s Record