Manuals / Miller Electric / Power Tools / Welder

Miller Electric DS-74DX12 Maintenance & Troubleshooting, ERR OPT1, ERR OPT2, Routine Maintenance

Models: and DS-74DX16

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7-3. Diagnostics For User Defined Options

ERR

OPT1

	1	Front Panel
	2 Front Panel Board PC20
	User Defined Shutdown Error
	Messages (Additional hardware
1	required for these to be functional)
1	If OPT1 and/or OPT2 are enabled
	If OPT1 and/or OPT2 are enabled
	without additional hardware setup,
	the following error messages will be
	displayed on the front panel meters.
	OPT1 and/or OPT2 must be dis-
	abled.
	. Refer to Section 5-12for cor-
	2	rect setup procedures.

803 198

ERR

OPT2

Indicates a User Defined

Option Error

SECTION 8 − MAINTENANCE & TROUBLESHOOTING

8-1. Routine Maintenance

!	Disconnect power	. Maintain more often
	before maintaining.	during severe conditions.

3 Months
	Clean and	Repair	or
Replace	tighten	Repair	or
Replace	tighten	replace
unreadable	weld	cracked
labels.	terminals.	weld
		cable.
Replace	Check	Check gas	Check gun
cracked	14-pin cord.	hose and	Check gun
cracked	14-pin cord.	hose and	cable.
parts.		fittings.	cable.
parts.		fittings.
6 Months
Blow out or vacuum	Or	Clean
inside. During heavy		Clean
		drive rolls.

service, clean
service, clean
monthly.
OM-1500-14 Page 30

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Miller Electric DS-74DX12 Maintenance & Troubleshooting, ERR OPT1, ERR OPT2, Diagnostics For User Defined Options, Months

Contents

OM-1500-14 207 499H DS-74DX SwingarcDS-74DX12, and DS-74DX16 ProcessesFrom Miller to You TABLE OF CONTENTS SECTION 6 − SETTING SEQUENCE PARAMETERSTABLE OF CONTENTS OPTIONS AND ACCESSORIES WARRANTY1-2. Arc Welding Hazards SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING1-1. Symbol Usage ELECTRIC SHOCK can killWELDING can cause fire or explosion FUMES AND GASES can be hazardousARC RAYS can burn eyes and skin FLYING METAL or DIRT can injure eyesFIRE OR EXPLOSION hazard 1-3. Additional Symbols For Installation, Operation, And MaintenanceWELDING WIRE can cause injury FALLING UNIT can cause injury1-6. EMF Information 1-5. Principal Safety Standards1-4. California Proposition 65 Warnings For Gasoline EnginesSECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 2-1. Symboles utilisés2-2. Dangers relatifs au soudage à l’arc UNE DÉCHARGE ÉLECTRIQUE peut entraîner la mortLES FUMÉES ET LES GAZ peuvent être dangereux DES PIÈCES CHAUDES peuvent provoquer des brûlures gravesLE SOUDAGE peut provoquer un in cendie ou une explosion LES BOUTEILLES peuvent exploser si elles sont endommagées LES CHAMPS MAGNETIQUES peuv- ent affecter des implants médicauxLE BRUIT peut endommager l’ouïe Risque D’INCENDIE OU D’EXPLO- SIONDES ORGANES MOBILES peuvent provoquer des blessures 2-4. Proposition californienne 65 AvertissementsLES FILS DE SOUDAGE peuvent provoquer des blessures LIRE LES INSTRUCTIONS2-6. Information EMF 2-5. Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-1500-14 Page 4-1. Installing Swivel Into Pipe Post SECTION 4 − INSTALLATION3-1. Specifications SECTION 3 − INTRODUCTIONswivel and slide forward. Tighten 4-2. Installing Control Box And Adjusting Tilt4-3. Installing Boom And Reel Support Loosen rear pivot screw. RemoveTighten bolt to secure liner in wire 4-4. Installing Wire Guide Extensionguide fitting. Do not overtighten bolt Shielding gas pressure not to 4-5. Equipment Connection Diagramexceed 100 PSI 689 kPa 4-7. 14-Pin Plug Information 4-6. Control Box ConnectionsPin Information 4-9. Gun Recommendation Table 4-8. Removing Safety Collar And Adjusting Boom4-10. Wire Type, Size, And Feed Speed Capability Table Wire Typeextending from outlet wire guide as 4-11. Installing And Threading Welding WireWhen installing gun, position liner close as possible to drive rolls withPosition Settings And Results For DIP Switch S1 4-12. Setting Internal DIP Switchesw Defining Motor Speed S1-7 Disabling The Power Source Selection Menu 4-13. Power Source Selection MenuPower Source Non-CE Model ShownSECTION 5 − OPERATION 5-2. Power Switch5-3. Left/Right Select Switch 5-1. Operational TermsWire Speed 5-4. Jog/Purge Switch5-5. Front Panel Controls AdjustProgram 5-6. Program Push Button5-7. Upper Display VoltsWire Speed 5-9. Setup Push Button5-8. Lower Display SetupAdjust 5-10. Adjust Control5-11. Sequence Push Button StartReset To Factory Settings 5-12. Auxiliary Menus5-12 Auxiliary Menus Continued Power Source Selection Menu5-12 Auxiliary Menus Continued Trigger Hold SetupWire Feed Speed Units Burnback6-1. Sequence Parameters In A Program SECTION 6 − SETTING SEQUENCE PARAMETERSSequence SECTION 7 − SETTING DUAL SCHEDULE PARAMETERS 7-1. Optional Dual Schedule Switch DiagramsTCH1 COM1TRG1 COM28-1. Routine Maintenance SECTION 8 − MAINTENANCE & TROUBLESHOOTING7-3. Diagnostics For User Defined Options ERR OPT1Trouble 8-2. TroubleshootingDisconnect power before troubleshooting RemedySECTION 9 − ELECTRICAL DIAGRAM Figure 9-1. Circuit DiagramOM-1500-14 Page 204 144-CSECTION 10 − PARTS LIST Figure 10-1. Main AssemblyFigure 10-1. Main Assembly Housing Plug+Skts, service kit Circuit Card Assy,SwitchesHousing Plug+Pins, service kit Figure 10-2. Control BoxHarness Connectors/Receptacles Figure 10-2. Control Box ContinuedHardware is common and not available unless listed Figure 10-3. Boom AssemblyST-142 306-H Figure 10-3. Boom Assembly Figure 10-1 Item Figure 10-4. Drive Assembly, Wire Figure 10-1 Items 26 and Figure 10-4. Drive Assembly, Wire802 977-B Figure 10-4. Drive Assembly, Wire continued Figure 10-5. Support, Hub and Reel Figure 10-1 Item Figure 10-5. Support, Hub & ReelRing, Retaining Spool V-GROOVE Table 10-1. Drive Roll and Wire Guide KitsWire Size U-GROOVEPage Over 80,000 trained since Start Your Professional Welding Career Now400 Trade Square East, Troy, Ohio Page Call 1-800-4-A-MILLER for your local Miller distributor Warranty Questions?Service SupportOwner’s Record For ServiceContact a DISTRIBUTOR or SERVICE AGENCY near you Please complete and retain with your personal records

7-3. Diagnostics For User Defined Options

ERR

User Defined Shutdown Error

ERR

SECTION 8 − MAINTENANCE & TROUBLESHOOTING

8-1. Routine Maintenance

Disconnect power

before maintaining.

3 Months

6 Months