EWM Saturn 256 DG User manual

Operating instructions
Machines for MIG/MAG welding
GB
Saturn 256 DG
Observe additional system documents!
099-005167-EW501 29.06.2010
Register now!
For your benefit
Jetzt Registrieren
und Profitieren!
www.ewm-group.com
*Details for ewm-warranty
www.ewm-group.com
*

General instructions
CAUTION
Read the operating instructions!
The operating instructions provide an introduction to the safe use of the products.
• Read the operating instructions for all system components!
• Observe accident prevention regulations!
• Observe all local regulations!
• Confirm with a signature where appropriate.
NOTE
In the event of queries on installation, commissioning, operation or special conditions at the
installation site, or on usage, please contact your sales partner or our
customer service department on [phone].
A list of authorised sales partners can be found at www.ewm-group.com.
Liability relating to the operation of this equipment is restricted solely to the function of the equipment. No other
form of liability, regardless of type, shall be accepted. This exclusion of liability shall be deemed accepted by the
user on commissioning the equipment.
The manufacturer is unable to monitor whether or not these instructions or the conditions and methods are
observed during installation, operation, usage and maintenance of the equipment.
An incorrectly performed installation can result in material damage and injure persons as a result. For this reason,
we do not accept any responsibility or liability for losses, damages or costs arising from incorrect installation,
improper operation or incorrect usage and maintenance or any actions connected to this in any way.
© EWM HIGHTEC WELDING GmbH · Dr. Günter-Henle-Str. 8 · D-56271 Mündersbach, Germany
The copyright to this document remains the property of the manufacturer.
Reprinting, including extracts, only permitted with written approval.
Subject to technical amendments.

Inhaltsverzeichnis
099-005167-EW501
29.06.2010 3
1Inhaltsverzeichnis
1Inhaltsverzeichnis..................................................................................................................................3
2Safety instructions.................................................................................................................................6
2.1 Notes on the use of these operating instructions ..........................................................................6
2.2 Explanation of icons.......................................................................................................................7
2.3 General..........................................................................................................................................8
2.4 Transport and installation ............................................................................................................11
2.5 Ambient conditions.......................................................................................................................12
2.5.1 In operation...................................................................................................................12
2.5.2 Transport and storage..................................................................................................12
3Intended use.........................................................................................................................................13
3.1 Applications..................................................................................................................................13
3.1.1 MIG/MAG standard welding.........................................................................................13
3.2 Use and operation solely with the following machines................................................................13
3.3 Documents which also apply .......................................................................................................13
3.3.1 Warranty.......................................................................................................................13
3.3.2 Declaration of Conformity.............................................................................................13
3.3.3 Welding in environments with increased electrical hazards.........................................13
3.3.4 Service documents (spare parts and circuit diagrams)................................................13
4Machine description – quick overview ..............................................................................................14
4.1 Front view ....................................................................................................................................14
4.2 Rear view.....................................................................................................................................15
5Design and function.............................................................................................................................16
5.1 General........................................................................................................................................16
5.2 Installation....................................................................................................................................17
5.3 Machine cooling...........................................................................................................................17
5.4 Workpiece lead, general..............................................................................................................17
5.5 Mains connection.........................................................................................................................18
5.5.1 Mains configuration ......................................................................................................18
5.5.2 Intermediate tube package connection........................................................................19
5.6 Shielding gas supply....................................................................................................................20
5.6.1 Connecting the shielding gas supply............................................................................20
5.7 Connection for workpiece lead ....................................................................................................22
6Maintenance, care and disposal.........................................................................................................23
6.1 General........................................................................................................................................23
6.2 Maintenance work, intervals ........................................................................................................23
6.2.1 Daily maintenance tasks ..............................................................................................23
6.2.2 Monthly maintenance tasks..........................................................................................23
6.2.3 Annual test (inspection and testing during operation)..................................................23
6.3 Repair Work.................................................................................................................................24
6.4 Disposing of equipment ...............................................................................................................24
6.4.1 Manufacturer's declaration to the end user..................................................................24
6.5 Meeting the requirements of RoHS .............................................................................................24

Inhaltsverzeichnis
4 099-005167-EW501
29.06.2010
7Rectifying faults....................................................................................................................................25
7.1 Customer checklist.......................................................................................................................25
7.2 Machine faults (error messages) .................................................................................................26
7.2.1 Check the machine type setting ...................................................................................26
7.3 Setting the machine type..............................................................................................................26
7.3.1 Reset via machine control ............................................................................................27
8Technical data.......................................................................................................................................28
8.1 Saturn 256 DG.............................................................................................................................28
9Accessories, options ...........................................................................................................................29
9.1 General accessories ....................................................................................................................29
10 Appendix A............................................................................................................................................30
10.1 Setting instructions.......................................................................................................................30
11 Appendix B............................................................................................................................................31
11.1 Overview of EWM branches.........................................................................................................31

Inhaltsverzeichnis
099-005167-EW501
29.06.2010 5

Safety instructions
Notes on the use of these operating instructions
6 099-005167-EW501
29.06.2010
2Safety instructions
2.1 Notes on the use of these operating instructions
DANGER
Working or operating procedures which must be closely observed to prevent imminent
serious and even fatal injuries.
• Safety notes include the "DANGER" keyword in the heading with a general warning symbol.
• The hazard is also highlighted using a symbol on the edge of the page.
WARNING
Working or operating procedures which must be closely observed to prevent serious
and even fatal injuries.
• Safety notes include the "WARNING" keyword in the heading with a general warning
symbol.
• The hazard is also highlighted using a symbol in the page margin.
CAUTION
Working or operating procedures which must be closely observed to prevent possible
minor personal injury.
• The safety information includes the "CAUTION" keyword in its heading with a general
warning symbol.
• The risk is explained using a symbol on the edge of the page.
CAUTION
Working and operating procedures which must be followed precisely to avoid damaging
or destroying the product.
• The safety information includes the "CAUTION" keyword in its heading without a general
warning symbol.
• The hazard is explained using a symbol at the edge of the page.
NOTE
Special technical points which users must observe.
• Notes include the "NOTE" keyword in the heading without a general warning symbol.
Instructions and lists detailing step-by-step actions for given situations can be recognised via bullet
points, e.g.:
• Insert the welding current lead socket into the relevant socket and lock.

Safety instructions
Explanation of icons
099-005167-EW501
29.06.2010 7
2.2 Explanation of icons
Symbol Description
Press
Do not press
Turn
Switch
01
Switch off machine
01
Switch on machine
ENTER (enter the menu)
NAVIGATION (Navigating in the menu)
EXIT (Exit the menu)
Time display (example: wait 4s/press)
Interruption in the menu display (other setting options possible)
Tool not required/do not use
Tool required/use
Wire feed unit
Power source (Welding machine)

Safety instructions
General
8 099-005167-EW501
29.06.2010
2.3 General
DANGER
Electric shock!
Welding machines use high voltages which can result in potentially fatal electric shocks
and burns on contact. Even low voltages can cause you to get a shock and lead to
accidents.
• Do not touch any live parts in or on the machine!
• Connection cables and leads must be free of faults!
• Switching off alone is not sufficient!
• Place welding torch and stick electrode holder on an insulated surface!
• The unit should only be opened by specialist staff after the mains plug has been unplugged!
• Only wear dry protective clothing!
• Wait for 4 minutes until the capacitors have discharged!
Electromagnetic fields!
The power source may cause electrical or electromagnetic fields to be produced which
could affect the correct functioning of electronic equipment such as IT or CNC devices,
telecommunication lines, power cables, signal lines and pacemakers.
• Observe the maintenance instructions! (see Maintenance and Testing chapter)
• Unwind welding lines completely!
• Shield devices or equipment sensitive to radiation accordingly!
• The correct functioning of pacemakers may be affected (obtain advice from a doctor if
necessary).
Do not carry out any unauthorised repairs or modifications!
To avoid injury and equipment damage, the unit must only be repaired or modified by
specialist, skilled persons!
The warranty becomes null and void in the event of unauthorised interference.
• Appoint only skilled persons for repair work (trained service personnel)!

Safety instructions
General
099-005167-EW501
29.06.2010 9
WARNING
Risk of accidents if these safety instructions are not observed!
Non-observance of these safety instructions is potentially fatal!
• Carefully read the safety information in this manual!
• Observe the accident prevention regulations in your country.
• Inform persons in the working area that they must observe the regulations!
Risk of injury due to radiation or heat!
Arc radiation results in injury to skin and eyes.
Contact with hot workpieces and sparks results in burns.
• Use welding shield or welding helmet with the appropriate safety level (depending on the
application)!
• Wear dry protective clothing (e.g. welding shield, gloves, etc.) according to the relevant
regulations in the country in question!
• Protect persons not involved in the work against arc beams and the risk of glare using
safety curtains!
Explosion risk!
Apparently harmless substances in closed containers may generate excessive pressure
when heated.
• Move containers with inflammable or explosive liquids away from the working area!
• Never heat explosive liquids, dusts or gases by welding or cutting!
Smoke and gases!
Smoke and gases can lead to breathing difficulties and poisoning. In addition, solvent
vapour (chlorinated hydrocarbon) may be converted into poisonous phosgene due to
the ultraviolet radiation of the arc!
• Ensure that there is sufficient fresh air!
• Keep solvent vapour away from the arc beam field!
• Wear suitable breathing apparatus if appropriate!
Fire hazard!
Flames may arise as a result of the high temperatures, stray sparks, glowing-hot parts
and hot slag produced during the welding process.
Stray welding currents can also result in flames forming!
• Check for fire hazards in the working area!
• Do not carry any easily flammable objects such as matches or lighters.
• Keep appropriate fire extinguishing equipment to hand in the working area!
• Thoroughly remove any residue of flammable substances from the workpiece before
starting welding.
• Only continue work on welded workpieces once they have cooled down.
Do not allow to come into contact with flammable material!
• Connect welding leads correctly!
CAUTION
Noise exposure!
Noise exceeding 70 dBA can cause permanent hearing damage!
• Wear suitable ear protection!
• Persons located within the working area must wear suitable ear protection!

Safety instructions
General
10 099-005167-EW501
29.06.2010
CAUTION
Obligations of the operator!
The respective national directives and laws must be observed for operation of the
machine!
• National implementation of the framework directive (89/391/EWG), as well as the associated
individual directives.
• In particular, directive (89/655/EWG), on the minimum regulations for safety and health
protection when staff members use equipment during work.
• The regulations regarding work safety and accident prevention for the respective country.
• Setting up and operating the machine according to IEC 60974-9.
• Check at regular intervals that users are working in a safety-conscious way.
• Regular checks of the machine according to IEC 60974-4.
Damage due to the use of non-genuine parts!
The manufacturer's warranty becomes void if non-genuine parts are used!
• Only use system components and options (power sources, welding torches, electrode
holders, remote controls, spare parts and replacement parts, etc.) from our range of
products!
• Only insert and lock accessory components into the relevant connection socket when the
machine is switched off.
Electromagnetic interference!
The machines are intended to be used in industrial areas, according to IEC 60974-10. If
they are used in residential areas, for example, problems may occur with ensuring
electromagnetic compatibility.
• Check whether interference is caused to other machines!

Safety instructions
Transport and installation
099-005167-EW501
29.06.2010 11
2.4 Transport and installation
WARNING
Incorrect handling of shielding gas cylinders!
Incorrect handling of shielding gas cylinders can result in serious and even fatal injury.
• Observe the instructions from the gas manufacturer and in any relevant regulations
concerning the use of compressed air!
• Place shielding gas cylinders in the holders provided for them and secure with fixing
devices.
• Avoid heating the shielding gas cylinder!
CAUTION
Risk of tipping!
There is a risk of the machine tipping over and injuring persons or being damaged itself
during movement and set up. Tilt resistance is guaranteed up to an angle of 10°
(according to IEC 60974-1, -3, -10).
• Set up and transport the machine on level, solid ground.
• Secure add-on parts using suitable equipment.
Damage due to supply lines not being disconnected!
During transport, supply lines which have not been disconnected (mains supply leads,
control leads, etc.) may cause hazards such as connected equipment tipping over and
injuring persons!
• Disconnect supply lines!
CAUTION
Equipment damage when not operated in an upright position!
The units are designed for operation in an upright position!
Operation in non-permissible positions can cause equipment damage.
• Only transport and operate in an upright position!

Safety instructions
Ambient conditions
12 099-005167-EW501
29.06.2010
2.5 Ambient conditions
CAUTION
Installation site!
The machine must not be operated in the open air and must only be set up and
operated on a suitable, stable and level base!
• The operator must ensure that the ground is non-slip and level, and provide sufficient
lighting for the place of work.
• Safe operation of the machine must be guaranteed at all times.
CAUTION
Equipment damage due to dirt accumulation!
Unusually high quantities of dust, acid, corrosive gases or substances may damage the
equipment.
• Avoid high volumes of smoke, vapour, oil vapour and grinding dust!
• Avoid ambient air containing salt (sea air)!
Non-permissible ambient conditions!
Insufficient ventilation results in a reduction in performance and equipment damage.
• Observe the ambient conditions!
• Keep the cooling air inlet and outlet clear!
• Observe the minimum distance of 0.5 m from obstacles!
2.5.1 In operation
Temperature range of the ambient air:
• -20 °C to +40 °C
Relative air humidity:
• Up to 50% at 40 °C
• Up to 90% at 20 °C
2.5.2 Transport and storage
Storage in an enclosed space, temperature range of the ambient air:
• -25 °C to +55 °C
Relative air humidity
• Up to 90% at 20 °C

Intended use
Applications
099-005167-EW501
29.06.2010 13
3Intended use
This machine has been manufactured according to the latest developments in technology and current
regulations and standards. It must only be operated in line with the instructions on correct usage.
WARNING
Hazards due to improper usage!
Hazards may arise for persons, animals and material objects if the equipment is not used
correctly. No liability is accepted for any damages arising from improper usage!
• The equipment must only be used in line with proper usage and by trained or expert staff!
• Do not modify or convert the equipment improperly!
3.1 Applications
3.1.1 MIG/MAG standard welding
Metal arc welding using a wire electrode whereby gas from an external source surrounds the arc and the
molten pool to protect them from the atmosphere.
3.2 Use and operation solely with the following machines
• Saturn drive 41L M2.41
• Saturn drive 41L M1.02
3.3 Documents which also apply
3.3.1 Warranty
NOTE
For further information, please see the accompanying supplementary sheets "Machine
and Company Data, Maintenance and Testing, Warranty"!
3.3.2 Declaration of Conformity
The designated machine conforms to EC Directives and standards in terms of its design
and construction:
• EC Low Voltage Directive (2006/95/EC),
• EC EMC Directive (2004/108/EC),
This declaration shall become null and void in the event of unauthorised modifications, improperly
conducted repairs, non-observance of the deadlines for the repetition test and / or non-permitted
conversion work not specifically authorised by the manufacturer.
The original copy of the declaration of conformity is enclosed with the unit.
3.3.3 Welding in environments with increased electrical hazards
In compliance with IEC / DIN EN 60974, VDE 0544 the machines can be used in
environments with an increased electrical hazard.
3.3.4 Service documents (spare parts and circuit diagrams)
DANGER
Do not carry out any unauthorised repairs or modifications!
To avoid injury and equipment damage, the unit must only be repaired or modified by
specialist, skilled persons!
The warranty becomes null and void in the event of unauthorised interference.
• Appoint only skilled persons for repair work (trained service personnel)!
Original copies of the circuit diagrams are enclosed with the unit.
Spare parts can be obtained from the relevant authorised dealer.

Machine description – quick overview
Front view
14 099-005167-EW501
29.06.2010
4Machine description – quick overview
4.1 Front view
Figure 4-1
Item Symbol Description 0
1 Carrying handle
2
Signal light, Functional error
On when excess temperature detected
3
Main switch, machine on/off
4
Welding voltage step switch
To set the welding voltage
5 Cooling air inlet
6
Connection socket, workpiece lead
"Hard" choke tapping
7
Connection socket, workpiece lead
Choke tapping "soft"
8 Conveyor rolls, guide castors

Machine description – quick overview
Rear view
099-005167-EW501
29.06.2010 15
4.2 Rear view
Figure 4-2
Item Symbol Description 0
1
42V/4A
Key button, automatic cutout
Wire feed motor supply voltage fuse
press to reset a triggered fuse
2
Changeover switch for welding current polarity (welding voltage display)
Depending on the polarity selected on the welding torch (standard MIG or cored wire
welding) it is necessary to set this status on the machine to ensure the welding voltage
is displayed correctly.
Position A: Standard MIG welding (factory setting)
Position B: Cored wire welding (self-shielding)
3
Earth cable connecting (PE)
Connection of green-yellow earth cable from the intermediate tube package
4
7-pole connection socket
Wire feed unit control lead
5 Connector plug, welding current "+"
Welding current connection on wire feed unit
6 Securing elements for shielding gas cylinder (strap/chain)
7 Cooling air outlet
8 Bracket for shielding gas cylinder
9 Conveyor rolls, fixed castors
10 Mains connection cable
11 Intermediate tube package strain relief

Design and function
General
16 099-005167-EW501
29.06.2010
5Design and function
NOTE
Observe documentation of other system components when connecting!
5.1 General
DANGER
Risk of injury from electric shock!
Contact with live parts, e.g. welding current sockets, is potentially fatal!
• Follow safety instructions on the opening pages of the operating instructions.
• Commissioning may only be carried out by persons who have the relevant expertise of
working with arc welding machines!
• Connection and welding leads (e.g. electrode holder, welding torch, workpiece lead,
interfaces) may only be connected when the machine is switched off!
CAUTION
Risk of burns on the welding current connection!
If the welding current connections are not locked, connections and leads heat up and
can cause burns, if touched!
• Check the welding current connections every day and lock by turning in clockwise direction,
if necessary.
Risk of injury due to moving parts!
The wire feed units are equipped with moving parts, which can trap hands, hair,
clothing or tools and thus injure persons!
• Do not reach into rotating or moving parts or drive components!
• Keep casing covers closed during operation!
Risk of injury due to welding wire escaping in an unpredictable manner!
Welding wire can be conveyed at very high speeds and, if conveyed incorrectly, may
escape in an uncontrolled manner and injure persons!
• Before mains connection, set up the complete wire guide system from the wire spool to the
welding torch!
• Remove the counter pressure rollers from the wire feed unit if no welding torch is fitted!
• Check wire guide at regular intervals!
• Keep all casing covers closed during operation!
Risk from electrical current!
If welding is carried out alternately using different methods and if a welding torch and
an electrode holder remain connected to the machine, the open-circuit/welding voltage
is applied simultaneously on all cables.
• The torch and the electrode holder should therefore always be placed on an insulated
surface before starting work and during breaks.

Design and function
Installation
099-005167-EW501
29.06.2010 17
CAUTION
Damage due to incorrect connection!
Accessory components and the power source itself can be damaged by incorrect
connection!
• Only insert and lock accessory components into the relevant connection socket when the
machine is switched off.
• Comprehensive descriptions can be found in the operating instructions for the relevant
accessory components.
• Accessory components are detected automatically after the power source is switched on.
Using protective dust caps!
Protective dust caps protect the connection sockets and therefore the machine against
dirt and damage.
• The protective dust cap must be fitted if there is no accessory component being operated
on that connection.
• The cap must be replaced if faulty or if lost!
5.2 Installation
CAUTION
Installation site!
The machine must not be operated in the open air and must only be set up and
operated on a suitable, stable and level base!
• The operator must ensure that the ground is non-slip and level, and provide sufficient
lighting for the place of work.
• Safe operation of the machine must be guaranteed at all times.
5.3 Machine cooling
To obtain an optimal duty cycle from the power components, the following precautions should be
observed:
• Ensure that the working area is adequately ventilated.
• Do not obstruct the air inlets and outlets of the machine.
• Do not allow metal parts, dust or other objects to get into the machine.
5.4 Workpiece lead, general
CAUTION
Risk of burns due to incorrect connection of the workpiece lead!
Paint, rust and dirt on the connection restrict the power flow and may lead to stray
welding currents.
Stray welding currents may cause fires and injuries!
• Clean the connections!
• Fix the workpiece lead securely!
• Do not use structural parts of the workpiece as a return lead for the welding current!
• Take care to ensure faultless power connections!

Design and function
Mains connection
18 099-005167-EW501
29.06.2010
5.5 Mains connection
DANGER
Hazard caused by improper mains connection!
An improper mains connection can cause injuries or damage property!
• Only use machine with a plug socket that has a correctly fitted protective conductor.
• If a mains plug must be fitted, this may only be carried out by an electrician in accordance
with the relevant national provisions or regulations (any phase sequence for three-phase
machines)!
• Mains plug, socket and lead must be checked regularly by an electrician!
5.5.1 Mains configuration
NOTE
The machine may be connected and operated on all TN or TT networks with a neutral
conductor and a protective conductor.
L1
N
PE
Figure 5-1
Legend
Item Designation Colour code
L1 Outer conductor brown
N Neutral conductor blue
PE Protective conductor green-yellow
CAUTION
Operating voltage - mains voltage!
The operating voltage shown on the rating plate must be consistent with the mains
voltage, in order to avoid damage to the machine!
• For mains fuse protection, please refer to the “Technical data” chapter!
• Insert mains plug of the switched-off machine into the appropriate socket.

Design and function
Mains connection
099-005167-EW501
29.06.2010 19
5.5.2 Intermediate tube package connection
Figure 5-2
Item Symbol Description 0
1
Wire feed unit
2 Intermediate tube package
3 Intermediate tube package strain relief
4 Connector plug, welding current "+"
Welding current connection on wire feed unit
5
Earth cable connecting (PE)
Connection of green-yellow earth cable from the intermediate tube package
6
7-pole connection socket
Wire feed unit control lead
• Insert the end of the tube package through the strain relief of the tube package and lock by turning to
the right.
• Insert the plug on the welding current lead into the welding current connection socket "+" and lock.
• Screw the eyelet of the earth lead on to the connecting nipple of the earth lead.
• Insert cable plug on the control lead into the 7-pole connection socket and secure with crown nut (the
plug can only be inserted into the connection socket in one position).

Design and function
Shielding gas supply
20 099-005167-EW501
29.06.2010
5.6 Shielding gas supply
5.6.1 Connecting the shielding gas supply
DANGER
Risk of injury caused by shielding gas cylinders toppling over!
Shielding gas cylinders may topple over and cause serious injury if not
adequately secured!
• Secure shielding gas cylinders with the securing device (chain/strap)
supplied as standard with the machine!
• Securing devices must fit tightly around the cylinder!
• The strap or chain must be fitted to the upper half of the shielding gas
cylinders!
• Cylinders may not be secured at the valve!
WARNING
Incorrect handling of shielding gas cylinders!
Incorrect handling of shielding gas cylinders can result in serious and even fatal injury.
• Observe the instructions from the gas manufacturer and in any relevant regulations
concerning the use of compressed air!
• Place shielding gas cylinders in the holders provided for them and secure with fixing
devices.
• Avoid heating the shielding gas cylinder!
CAUTION
Faults in the shielding gas supply.
An unhindered shielding gas supply from the shielding gas cylinder to the welding
torch is a fundamental requirement for optimum welding results. In addition, a blocked
shielding gas supply may result in the welding torch being destroyed.
• Always re-fit the yellow protective cap when not using the shielding gas connection.
• All shielding gas connections must be gas tight.
NOTE
Before connecting the pressure reducer to the gas cylinder, open the cylinder valve
briefly to expel any dirt.