Miller Electric Dimension 1000 manual Troubleshooting, Trouble Remedy

Page 31

6-3. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

Remedy

 

 

No weld output; unit completely

Place line disconnect device in On position (see Section 4-14).

inoperative; pilot light PL1 off.

 

 

 

 

 

 

 

 

 

Check for open line fuse(s), and replace if open (see Section 4-14).

 

 

 

 

 

 

 

Check for proper input power connections (see Section 4-14).

 

 

 

 

 

 

 

Check for proper jumper link position (see Section 4-14).

 

 

 

 

 

 

 

Check fuse F1, and replace if necessary (see Section 6-2).

 

 

No weld output; pilot light PL1 on.

Unit overheated. Allow unit to cool with fan On (see Section 4-2).

 

 

 

 

 

 

 

If using remote control, place Output (Contactor) switch in Remote 14 position, and connect remote

 

 

 

control (see Sections 4-10and 4-11). If remote is not being used, place switch in On position (see

 

 

 

Section 5-1).

 

 

 

 

 

 

 

Check, repair, or replace remote control.

 

 

No weld output; power switch pilot light

Check for proper input power connections (see Section 4-14).

on; fan off.

 

 

Check for open line fuse(s), and replace if open, or reset circuit breaker (see Section 4-14).

 

 

 

 

 

 

 

 

 

 

Turn power switch off then back on. If no output condition remains, have Factory Authorized Service

 

 

 

agent check SCR’s.

 

 

Limited weld output and low

Check position of Remote Amperage/Voltage Control switch (see Section 5-1).

open-circuit voltage.

 

 

Check for open line fuse(s), and replace if open (see Section 4-14).

 

 

 

 

 

 

 

 

 

 

Check for proper input power connections (see Section 4-14).

 

 

 

 

 

 

 

Check for proper jumper link position (see Section 4-14).

 

 

 

 

 

 

 

Clean and tighten all weld output connections.

 

 

Unit provides only maximum or

Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

minimum weld output.

 

 

Check position of Remote Amperage/Voltage Control switch (see Section 5-1).

 

 

 

 

 

Erratic or improper weld output.

Use proper size and type of weld cable (see Section 4-9).

 

 

 

 

 

 

 

Clean and tighten all weld connections.

 

 

 

 

 

 

 

Check wire feeder installation according to Owner’s Manual.

 

 

 

 

 

 

 

Check position of Process selector switch (see Section 5-1).

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

 

 

No 115 volts ac output at duplex recep-

Reset circuit breaker CB1 (see Section 4-7).

tacle, Remote 14 receptacle,

 

 

or terminal strip 1T.

 

 

 

 

No 24 volts ac output at Remote 14 re-

Reset circuit breaker CB2 (see Section 4-7).

ceptacle or terminal strip 1T.

 

 

 

 

Fan not operating. Note: fan only runs

Check for and remove anything blocking fan movement.

when cooling is necessary.

 

 

Have Factory Authorized Service Agent check fan motor.

 

 

 

 

 

Wandering arc; poor control of arc

Reduce gas flow rate.

direction.

 

 

Select proper size tungsten.

 

 

 

 

 

 

 

 

 

 

Properly prepare tungsten.

 

 

Tungsten electrode oxidizing and not

Shield weld zone from drafts.

remaining bright after conclusion of

 

 

Increase postflow time.

weld.

 

 

 

 

 

 

 

Check and tighten all gas fittings.

 

 

 

 

 

 

 

Properly prepare tungsten.

 

 

 

 

 

 

 

Check for water in torch, and repair torch if necessary. See torch Owner’s Manual.

 

 

Digital meter not working properly.

Have Factory Authorized Service Agent check control board PC1 and connections, and replace if

 

 

 

necessary.

 

 

 

 

 

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Contents Description ProcessesFile Multiprocess From Miller to You Table of Contents Page HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux Work like a Pro I1eff Symbol DefinitionsSpecifications I1max100% Duty Cycle Duty Cycle And OverheatingVolt-Ampere Curves CC Mode CV ModeMovement Selecting a LocationDimensions Dimensions And WeightsWeight Weld output terminals Do not move or operate unit where it could tipTurn Off power before TippingBasic Sub Arc SAW Equipment Connections Basic Sub Arc SAW WeldingControl Settings For Sub Arc SAW Welding Welding Power Source Better Sensing Leads Placement Guidelines For Multiple ArcsRemote 14 Receptacle And Terminal Strip 1T Information Selecting Cable SizesTurn off power before con- necting to receptacle Connecting Remote ControlPlacing Jumper Links Electrical Service GuideWelding Power Source Input Power Connections Connecting Input PowerDisconnect Device Input Power Connec- tions Controls − OperationFuse F1 Routine MaintenanceMonths Trouble Remedy Troubleshooting− Electrical Diagram 236 682-A − Parts List PLG14 Panel, Front w/Components -1Item PLG10 Rectifier, SCR Main -1Item Panel, Rear w/Components -1Item Page Page Page Support ServiceMiller Electric Mfg. Co Owner’s Record