Miller Electric DS-74S16, DS-74S12, DS-74D12, and DS-74D16 manual Diagnostics

Page 25

6-2.

Diagnostics

 

1 LED3 On Right Side Motor

 

Control Board PC1

 

2 LED3 On Left Side Motor

 

Control Board PC101

 

3 LED3 On Dual Board PC70

 

2

 

3

 

1

 

803 063-A

 

 

Display On

 

LED3 Sequence

 

Indicated Error

 

 

Optional Meter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Left Side Motor Control

 

HELP 11

 

1 Blink

 

 

Communication Error

 

 

 

 

 

 

 

Board PC101

 

HELP 12

 

2 Blinks

 

 

Trigger Error

 

 

 

 

 

 

 

 

 

 

HELP 13

 

3 Blinks

 

 

Tach Error

 

 

 

 

 

 

 

 

 

 

HELP 14

 

*4 Blinks

 

 

Motor Error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Right Side Motor Control

 

HELP 21

 

1 Blink

 

 

Communication Error

 

 

 

 

 

 

 

Board PC1

 

HELP 22

 

2 Blinks

 

 

Trigger Error

 

 

 

 

 

 

 

 

 

 

HELP 23

 

3 Blinks

 

 

Tach Error

 

 

 

 

 

 

 

 

 

 

HELP 24

 

*4 Blinks

 

 

Motor Error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dual Board PC70

 

HELP 31

 

*4 Blinks

 

 

Communication Error

 

 

 

 

 

*Since blink On time and blink Off time are equal in a four-blink

 

cycle, the four−blink sequence appears as constant blinking.

 

 

 

 

 

 

 

 

 

 

 

 

 

• Error Indications

a lower one (if a motor error and a communica-

 

ride is not enabled), or if the user holds the

Error conditions are indicated by LED3 on

tion error existed, the light would blink four

 

trigger past the postflow phase in a timed

times for the motor error).

 

 

weld. This error also occurs if the trigger is

PC1, PC101, PC70 or on display if meter op-

 

 

 

 

 

 

held when the feeder is powered up. The er-

tion is present. To view LED3, turn Off unit, re-

• The communication error occurs 2.5 sec-

 

 

ror may be cleared by releasing the trigger.

move wrapper, and turn unit On. LED3 is most

onds after a loss of communication between

 

 

 

easily observed from the left side of the unit.

the motor and the optional meter board or

• The tach error occurs 2 seconds after the

The LED blinks in a 2.5 second cycle. The

Dual board. The user may continue to weld

 

loss of tachometer feedback. The user may

number of blinks in this period indicates the

with this error. The error may be cleared by

 

continue to weld with this error. The motor

type of error.

turning power Off, waiting a minimum of two

 

speed is regulated through the monitoring of

The priority of the errors is related to the num-

seconds, and turning power On.

 

voltage and current.

• The trigger error occurs if the user has the

• The motor error indicates that the motor

ber of blinks indicating the error. The more

blinks, the more severe the error (motor error

trigger held for more than two minutes with-

 

has been drawing too much current for too

is top priority). A higher priority error overrides

out striking an arc (providing current over-

 

long.

 

 

 

 

 

 

 

 

OM-1500-13 Page 21

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Contents Processes OM-1500-13 207 494HDescription File MIG GmawFrom Miller to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéInstalling Swivel Into Pipe Post SpecificationsDo not remove Safety Collar until instructed to RatingInstalling Boom And Reel Support Installing Control Box And Adjusting TiltInstalling Wire Guide Extension Equipment Connection Diagram Pin Plug Information Control Box ConnectionsPin Information Wire Type, Size, And Feed Speed Capability Table Removing Safety Collar And Adjusting BoomMotor Speed Wire Type Wire Size Feed Speed Capability Gun Recommendation TableOut touching Installing And Threading Welding WireCurrent Detect Override OFF Factory Default S1-1 And S1-2 Setting Internal DIP SwitchesRight Side Motor Control Board PC1 Left Side Motor PC101 Automatic Run-In OFF S1-1 And S1-2PC60 Optional Equipment DIP Switch SettingsLeft/Right Select Switch Jog/Purge Power SwitchVoltage Control And Digital Meters Trigger Hold SwitchDisconnect power before maintaining Routine MaintenanceMonths Diagnostics Disconnect power before troubleshooting TroubleshootingTrouble Remedy OM-1500-13 − Electrical Diagram 204 716-B − Parts List Quantity Control Box 130 Harness Connectors/ReceptaclesBoom Assembly Boom Assembly -1 Item Drive Assembly, Wire PLG5 Support, Hub & Reel Fraction Metric Drive Roll and Wire Guide KitsRoll Kit RollPage Page Page Support ServiceMiller Electric Mfg. Co Owner’s Record

DS-74D12, DS-74S12, and DS-74D16, DS-74S16 specifications

Miller Electric has long been recognized for its high-quality welding and cutting equipment. Among their extensive lineup, the DS-74S16, DS-74D16, DS-74S12, and DS-74D12 models stand out for their robust features and advanced technologies tailored for professional welders and metal fabricators.

The Miller DS-74S16 is particularly engineered for heavy-duty applications, making it perfect for industrial environments. It boasts a powerful input range, providing versatility for different welding processes. Its user-friendly interface allows for quick adjustments, ensuring efficiency during operation. The design emphasizes safety and reliability, with protections against overcurrent and thermal overload. Similarly, the DS-74D16 offers dual capabilities for welding and cutting, which adds flexibility to a welder's toolkit. This model integrates advanced digital controls that help maintain consistent performance, enhancing the overall quality of the welds produced.

Moving on to the DS-74S12 and DS-74D12 models, these versions cater to lighter applications without compromising on quality. The DS-74S12 is designed with portability in mind, making it an excellent choice for fieldwork and smaller workshops. It features a compact design while still delivering impressive performance, ideal for less demanding tasks. The DS-74D12 variant shares this lightweight construction but offers the added benefit of dual-functionality. Users can effortlessly switch between welding and cutting, accommodating various project requirements.

Across the board, these models incorporate Miller’s innovative technologies. Their advanced inverter technology helps increase efficiency, reduce energy consumption, and minimize noise levels during operation. Additionally, the use of durable materials ensures longevity and resilience in harsh working conditions.

The entire range is characterized by ease of maintenance and serviceability, with components designed for quick replacement when needed. User support and comprehensive documentation provided by Miller Electric further enhance the experience for both novice and experienced welders.

Overall, the DS-74S16, DS-74D16, DS-74S12, and DS-74D12 models represent a perfect blend of power, flexibility, and precision, catering to the evolving needs of professionals in the welding industry. These machines are suitable for diverse applications, ranging from heavy industrial tasks to light repairs, making them an invaluable addition to any welder’s arsenal.
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