BESTER 190C MULTI
OPERATOR’S MANUAL
IM3116
10/2019
REV02
Lincoln Electric Bester Sp. z o.o.
ul. Jana III Sobieskiego 19A, 58-263 Bielawa, Poland
www.lincolnelectric.eu
ENGLISH
THANKS! For having chosen the QUALITY of Lincoln Electric products.
Please Examine Package and Equipment for Damage. Claims for material damaged in shipment must be notified
immediately to the dealer.
For future reference record in the table below your equipment identification information. Model Name, Code & Serial
Number can be found on the machine rating plate.
Model Name:
………………………………………………………………………………………………………………………………………….
Code & Serial Number:
………………………………………………………………….. …………………………………………………………………..
Date & Where Purchased
…………………………………………………………………. …………………………………………………………………..
12/05
ENGLISH INDEX
Technical Specifications ...................................................................................................................................................... 1
Electromagnetic Compatibility (EMC) .................................................................................................................................. 2
Safety .................................................................................................................................................................................. 3
Introduction ......................................................................................................................................................................... 4
Installation and Operator Instructions .................................................................................................................................. 4
WEEE ............................................................................................................................................................................... 11
Spare Parts ....................................................................................................................................................................... 11
Authorized Service Shops Location .................................................................................................................................. 11
Electrical Schematic .......................................................................................................................................................... 11
Accessories ....................................................................................................................................................................... 12
English I English
Technical Specifications
NAME INDEX
BESTER 190C MULT B18259-1
INPUT - SINGLE PHASE ONLY
Standard Voltage/Phase/
Frequency and Fuse type
Generator required
(recommended)
Maximum Input Current Input Effective Current
230+/-15% / 1/50/60 Hz
16A (I2>160A)
Mode Duty Cycle
GMAW
SMAW
GTAW
Mode Open Circuit Voltage (peak) Welding Current Range Welding Voltage Range
GMAW U0 88V 30A ÷ 180A 15.5V ÷ 23V
SMAW U0 88V 15A ÷ 180A 20.6V ÷ 27.2V
GTAW U0 88V 15A ÷ 180A 10.6V ÷ 17.2V
Power Factor Efficiency and Idle power Protection Class Insulation Class
0,75 86% 24W IP21S F
Length Width Height Weight (Net)
480mm 220mm 305mm 13kg
Operating Temperature Range -10°C ~ +40°C(14°F~104°F)
Storage Temperature Range -25°C ~ +55°C(-13°F~131°F)
(1) Based upon 10 minute time period (i.e., for 30% duty cycle, it is 3 minutes on and 7 minutes off)
Note: The above parameters are subject to change with the improvement of machine
** When welding with maximum current I
>10 kVA 38A 16A
RATED OUTPUT – DC ONLY
(1)
Amperes Volts at Rated Amperes
20% 180A** 23V
60% 115A 19.8V
100% 90A 18.5V
15% 180A** 27.2V
60% 95A 23.8V
100% 75A 23.0V
25% 180A** 17.2V
60% 120A 14.8.4V
100% 90A 13.6V
The duty cycle above is about 40℃
OUTPUT RANGE
OTHER PARAMETERS
PHYSICAL DIMENSIONS
TEMPERATURE RANGE
>160A replace input plug with one>16A.
2
English 1 English
Electromagnetic Compatibility (EMC)
This machine has been designed in accordance with all relevant directives and standards. However, it may still generate
electromagnetic disturbances that can affect other systems like telecommunications (telephone, radio, and television) or
other safety systems. These disturbances can cause safety problems in the affected systems. Read and understand this
section to eliminate or reduce the amount of electromagnetic disturbance generated by this machine.
This machine has been designed to operate in an industrial area. To operate in a domestic area it is necessary
to observe particular precautions to eliminate possible electromagnetic disturbances. The operator must install
and operate this equipment as described in this manual. If any electromagnetic disturbances are detected the
operator must put in place corrective actions to eliminate these disturbances with, if necessary, assistance from
Lincoln Electric.
Before installing the machine, the operator must check the work area for any devices that may malfunction because of
electromagnetic disturbances. Consider the following.
Input and output cables, control cables, and telephone cables that are in or adjacent to the work area and the machine.
Radio and/or television transmitters and receivers. Computers or computer controlled equipment.
Safety and control equipment for industrial processes. Equipment for calibration and measurement.
Personal medical devices like pacemakers and hearing aids.
Check the electromagnetic immunity for equipment operating in or near the work area. The operator must be sure that
all equipment in the area is compatible. This may require additional protection measures.
The dimensions of the work area to consider will depend on the construction of the area and other activities that are
taking place.
Consider the following guidelines to reduce electromagnetic emissions from the machine.
Connect the machine to the input supply according to this manual. If disturbances occur if may be necessary to take
additional precautions such as filtering the input supply.
The output cables should be kept as short as possible and should be positioned together. If possible connect the work
piece to ground in order to reduce the electromagnetic emissions. The operator must check that connecting the work
piece to ground does not cause problems or unsafe operating conditions for personnel and equipment.
Shielding of cables in the work area can reduce electromagnetic emissions. This may be necessary for special
applications.
WARNING
The Class A equipment is not intended for use in residential locations where the electrical power is provided by the public
low-voltage supply system. There may be potential difficulties in ensuring electromagnetic compatibility in those locations,
due to conducted as well as radiated disturbances.
11/04
WARNING
This equipment does not comply with IEC 61000-3-12. If it is connected to a public low-voltage system, it is responsibility of
the installer or user of the equipment to ensure, by consultation with the distribution network operator if necessary, that the
equipment may be connected.
English 2 English
Safety
11/04
WARNING
This equipment must be used by qualified personnel. Be sure that all installation, operation, maintenance and repair
procedures are performed only by qualified person. Read and understand this manual before operating this equipment.
Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or damage to this equipment.
Read and understand the following explanations of the warning symbols. Lincoln Electric is not responsible for damages
caused by improper installation, improper care or abnormal operation.
WARNING: This symbol indicates that instructions must be followed to avoid serious personal injury,
loss of life, or damage to this equipment. Protect yourself and others from possible serious injury or
death.
READ AND UNDERSTAND INSTRUCTIONS: Read and understand this manual before operating this
equipment. Arc welding can be hazardous. Failure to follow the instructions in this manual could cause
serious personal injury, loss of life, or damage to this equipment.
ELECTRIC SHOCK CAN KILL: Welding equipment generates high voltages. Do not touch the
electrode, work clamp, or connected work pieces when this equipment is on. Insulate yourself from the
electrode, work clamp and connected work pieces.
ELECTRICALLY POWERED EQUIPMENT: Turn off input power using the disconnect switch at the
fuse box before working on this equipment. Ground this equipment in accordance with local electrical
regulations.
ELECTRICALLY POWERED EQUIPMENT: Regularly inspect the input, electrode, and work clamp
cables. If any insulation damage exists replace the cable immediately. Do not place the electrode holder
directly on the welding table or any other surface in contact with the work clamp to avoid the risk of
accidental arc ignition.
ELECTRIC AND MAGNETIC FIELDS MAY BE DANGEROUS: Electric current flowing through any
conductor creates electric and magnetic fields (EMF). EMF fields may interfere with some pacemakers
and welders having a pacemaker shall consult their physician before operating this equipment.
CE COMPLIANCE: This equipment complies with the European Community Directives.
ARTIFICIAL OPTICAL RADIATION: According with the requirements in 2006/25/EC Directive and EN
12198 Standard, the equipment is a category 2. It makes mandatory the adoption of Personal Protective
Equipment (PPE) having filter with a protection degree up to a maximum of 15, as required by EN169
Standard.
FUMES AND GASES CAN BE DANGEROUS: Welding may produce fumes and gases hazardous to
health. Avoid breathing these fumes and gases. To avoid these dangers the operator must use enough
ventilation or exhaust to keep fumes and gases away from the breathing zone.
ARC RAYS CAN BURN: Use a shield with the proper filter and cover plates to protect your eyes from
sparks and the rays of the arc when welding or observing. Use suitable clothing made from durable
flame-resistant material to protect you skin and that of your helpers. Protect other nearby personnel with
suitable, non-flammable screening and warn them not to watch the arc nor expose themselves to the
arc.
WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION: Remove fire hazards from the welding area
and have a fire extinguisher readily available. Welding sparks and hot materials from the welding
process can easily go through small cracks and openings to adjacent areas. Do not weld on any tanks,
drums, containers, or material until the proper steps have been taken to insure that no flammable or
toxic vapors will be present. Never operate this equipment when flammable gases, vapors or liquid
combustibles are present.
WELDED MATERIALS CAN BURN: Welding generates a large amount of heat. Hot surfaces and
materials in work area can cause serious burns. Use gloves and pliers when touching or moving
materials in the work area.
English 3 English
CYLINDER MAY EXPLODE IF DAMAGED: Use only compressed gas cylinders containing the correct
shielding gas for the process used and properly operating regulators designed for the gas and pressure
used. Always keep cylinders in an upright position securely chained to a fixed support. Do not move or
transport gas cylinders with the protection cap removed. Do not allow the electrode, electrode holder,
work clamp or any other electrically live part to touch a gas cylinder. Gas cylinders must be located
away from areas where they may be subjected to physical damage or the welding process including
sparks and heat sources.
: There are moving mechanical parts in this machine, which can cause serious injury. Keep your hands,
body and clothing away from those parts during machine starting, operating and servicing.
SAFETY MARK: This equipment is suitable for supplying power for welding operations carried out in an
environment with increased hazard of electric shock.
The manufacturer reserves the right to make changes and/or improvements in design without upgrade at the same time
the operator’s manual.
Introduction
The welding machines BESTER 190C MULTI enables
welding:
GMAW (MIG/MAG)
FCAW-SS
SMAW (MMA)
The following equipment has been added to
BESTER 190C MULTI :
Work lead – 3m
GMAW welding gun – 3m
Driving roll V0.6/V0,8 for solid wire (mounted in the
wire feeder).
For GMAW and FCAW-SS process, the technical
specification describes:
Type of welding wire
Wire diameter
Recommended equipment, which can be bought by
user, was mentioned in the chapter "Accessories".
Installation and Operator Instructions
Read this entire section before installation or operation
of the machine.
Location and Environment
This machine will operate in standard environments.
However, it is important that simple preventative
measures are followed to assure long life and reliable
operation:
Do not place or operate this machine on a surface
with an incline greater than 15° from horizontal.
Do not use this machine for pipe thawing.
This machine must be located where there is free
circulation of clean air without restrictions for air
movement to and from the air vents. Do not cover
the machine with paper, cloth or rags when switched
on.
Dirt and dust that can be drawn into the machine
should be kept to a minimum.
This machine has a protection rating of IP21. Keep it
dry when possible and do not place it on wet ground
or in puddles.
Locate the machine away from radio controlled
machinery. Normal operation may adversely affect
the operation of nearby radio controlled machinery,
which may result in injury or equipment damage.
Read the section on electromagnetic compatibility in
this manual.
Do not operate in areas with an ambient temperature
greater than 40°C.
Duty cycle and Overheating
The duty cycle of a welding machine is the percentage of
time in a 10 minute cycle at which the welder can
operate the machine at rated welding current.
Example: 60% duty cycle
Welding for 6 minutes. Break for 4 minutes.
Excessive extension of the duty cycle will cause the
thermal protection circuit to activate.
The machine is protected from overheating by a
temperature sensor.
English 4 English
Input Supply Connection
WARNING
Only a qualified electrician can connect the welding
machine to the supply network. Installation had to be
made in accordance with the appropriate National
Electrical Code and local regulations.
Check the input voltage, phase and frequency supplied
to this machine before turning it on. Verify the
connection of ground wires from the machine to the input
source. The welding machine BESTER 190C MULTI,
must be connected to a correctly installed plug-in socket
with an earth pin.
Input voltage is 230V, 50/60Hz. For more information
about input supply refer to the technical specification
section of this manual and to the rating plate of the
machine.
Make sure that the amount of mains power available
from the input supply is adequate for normal operation of
the machine. The necessary delayed fuse (or circuit
breaker with "B" characteristic) and cable sizes are
indicated in the technical specification section of this
manual.
WARNING
The welding machine can be supplied from a power
generator of output power at least 30% larger than input
power of the welding machine.
WARNING
When powering welder from a generator be sure to turn
off welder first, before generator is shut down, in order to
prevent damage to welder!
Output Connections
Refer to points [7], [8] and [9] of the Figure 2.
Power Source Placement and
connections
WARNING
Avoid excessive dust, acid and corrosive materials in the
air.
Keep protected from rain and direct sun when in use
outdoors.
There should be 500 mm space about for the welding
machine to have good ventilation.
Use adequate ventilation when in confined areas.
Controls and Operational Features
Front Panel
Figure 2
1. Amp/WFS display
2. Voltage/arc force display
3. Power indicator / Warning indicator
4. Wire inching Button
5. 2T/4T selection
6. Weld mode(MIG/GTAW/MMA) selection
7. Inductance control knob
8. Output terminal (Negative)
9. Output terminal (Active)
10. Euro gun connector
11. Voltage/arc force control knob
12. Amp/WFS control knob
Note:
The ‘protection indicator light’ will come on if the duty
cycle is exceeded. It shows that the inner
temperature is over the permitted level, the machine
should be stopped being used to allow it cool down.
Welding can continue after the ‘protection indicator
light’ is off.
The power source should be switched off when not in
use.
Welders should wear protective clothing and welding
helmet to prevent injury from arc and thermal
radiation.
Care should be taken so as not to expose others to
the welding arc. Use of screening is recommended.
Do not weld near Inflammable or explosive materials.
7. Knob Control: In GMAW, this knob controls [7]:
Inductance: Arc control is
GMAW
process
11. Voltage/Arc Force control: Depending on welding
process, this knob controls [11]:
GMAW
process
controlled by this knob. If the value
is higher, the arc will be softer and
during welding is less spatters.
The welding load voltage and set
V
by this knob (also during welding).
ARC FORCE: The output current
SMAW
process
Figure 1
English 5 English
is temporarily increased to clear
short circuit connections between
the electrode and the workpiece.
12. Wire Feed Speed / Current Knob Control: Depending
on welding process, this knob controls [12]:
GMAW
process
SMAW
process
Wire feed speed WFS: Value in
percentage of nominal value wire
feed speed (m/min).
The welding current is set by this
A
knob (also during welding).
Rear Panel
Figure 3
1. Gas connector
2. Input power cord
3. Power switch
WARNING
When the machine is switched again on, last welding
process will be recalled.
WARNING
If the push-button is pushed in GMAW process in, the
output terminals will lived.
WARNING
During SMAW process, the output terminals are still lived.
The installation and connection
WARNING
The machine must be used with the door completely
closed during welding.
WARNING
Not use handle to move the machine during work.
Loading the Electrode Wire
Turn the machine off.
Open the side cover of the machine.
Unscrew the locking nut of the sleeve.
Load the spool with the wire on the sleeve such that
the spool turns anticlockwise when the wire is fed
into the wire feeder.
Make sure that the spool locating pin goes into the
fitting hole on the spool.
Screw in the fastening cap of the sleeve.
Put on the wire roll using the correct groove
corresponding to the wire diameter.
Free the end of the wire and cut off the bent end
making sure it has no burr.
WARNING
Sharp end of the wire can hurt.
Rotate the wire spool anticlockwise and thread the
end of the wire into the wire feeder as far as the Euro
socket.
Adjust force of pressure roll of the wire feeder
properly.
Adjustments of Brake Torque of Sleeve
To avoid spontaneous unrolling of the welding wire the
sleeve is fitted with a brake.
Adjustment is carried by rotation of its Allen screw M8,
which is placed inside of the sleeve frame after
unscrewing the fastening cap of the sleeve.
26
Figure 4
WARNING
Positive (+) polarity is set at the factory.
If the welding polarity has to be changed, user should:
Switch off the machine.
Determine the polarity for the electrode to be used
(or wire). Consult the data for this information.
Select and set the correct polarity.
WARNING
Before welding check the polarity for using electrodes and
wires.
27
28
Figure 5
26. Fastening cap.
27. Adjusting Allen screw M8.
28. Pressing spring.
Turning the Allen screw M8 clockwise increases the
spring tension and you can increase the brake torque
Turning the Allen screw M8 anticlockwise decreases the
spring tension and you can decrease the brake torque.
After finishing of adjustment, you should screw in the
fastening cap again.
English 6 English
Adjusting of Force of Pressure Roll
Force
The pressure arm controls the amount of force the drive
rolls exert on the wire.
Pressure force is adjusted by turning the adjustment nut
clockwise to increase force, counterclockwise to
decrease force. Proper adjustment of pressure arm
gives the best welding performance.
WARNING
If the roll pressure is too low the roll will slide on the wire.
If the roll pressure is set too high the wire may be
deformed, which will cause feeding problems in the
welding gun. The pressure force should be set properly.
Decrease the pressure force slowly until the wire just
begins to slide on the drive roll and then increase the
force slightly by turning of the adjustment nut by one turn.
Inserting Electrode Wire into Welding
Torch
Turn the welding machine off.
Depending on welding process, connect the proper
gun to the euro socket, the rated parameters of the
gun and of the welding machine should be matched.
Remote the nozzle from the gun and contact tip or
protection cap and contact tip. Next, straighten the
gun out flat.
Turn the welding machine on.
Depress the gun trigger to feed the wire through the
gun liner until the wire comes out of the threaded
end.
When trigger is released spool of wire should not
unwind.
Adjust wire spool brake accordingly.
Turn the welding machine off.
Install a proper contact tip.
Depending on the welding process and the type of
the gun, install the nozzle (GMAW process) or
protection cap (FCAW-SS process).
WARNING
Take precaution to keep eyes and hands away from the
end of the gun while the wire is being come out of the
threated end.
Changing Driving Rolls
WARNING
Turn the input power off of the welding power source
before installation or changing drive rolls.
BESTER 190C MULTI is equipped with drive roll
V0.6/V0.8 for steel wire. For others wire sizes, is
available the proper drive rolls kit (see "Accessories"
chapter) and follow instructions:
Turn the welding machine off.
Release the pressure roll lever [1].
Unscrew the fastening cap [3].
Change the drive roll [2] with the compatible ones
corresponding to the used wire.
Figure 6
Screw fastening cap [3].
Gas Connection
A gas cylinder must be installed with a proper flow
regulator. Once a gas cylinder with a flow regulator has
been securely installed, connect the gas hose from the
regulator to the machine gas inlet connector. Refer to
point [1] of the Figure 3.
WARNING
The welding machine supports all suitable shielding gases
including carbon dioxide, argon and helium at a maximum
pressure of 5,0 bars.
Note: When using the GTAW lift process, connect the
gas hose from the GTAW torch to the gas regulator on
the shield gas cylinder.
Welding GMAW, FCAW-SS Process
BESTER 190C MULTI can be used to welding GMAW
and FCAW-SS process.
Preparation the Machine for Welding
GMAW and FCAW-SS Process.
Procedure of begin welding of GMAW or FCAW-SS
process:
Determine the wire polarity for the wire to be used.
Consult the wire data for this information.
Connect output the gas-cooled gun to GMAW /
FCAW-SS process to Euro Socket [10] Figure 2.
Depending on the using wire, connect the work lead
to output socket [8] or [9] Figure 2.
Connect the work lead to the welding piece with the
work clamp.
Install the proper wire.
Install the proper drive roll.
Make a sure, if it is needed (GMAW process), that
the gas shield has been connected.
Turn the machine on.
Push the gun trigger to feed the wire through the gun
liner until the wire comes out of the threaded end.
Install a proper contact tip.
Depending on the welding process and the type of
the gun, install the nozzle (GMAW process) or
protection cap (FCAW-SS process).
Close the left side panel.
Set welding mode to GMAW [6] Figure 2
The welding machine is now ready to weld.
By applying the principle of occupational health and
safety at welding, welding can be begun.
English 7 English
Welding GMAW, FCAW-SS Process in
Manual Mode
In BESTER 190C MULTI can be set:
BESTER 190C MULTI
The welding load voltage
WFS
Inductance
The 2-Step - 4-Step changes the function of the gun’s
trigger.
2 Step trigger operation turns welding on and off in
direct response to the trigger. Welding process is
performed when the gun’s trigger is pulled.
4-Step mode allows to continue welding, when the
gun’s trigger is released. To stop welding, the gun’s
trigger is pulled again. 4-step mode facilitates to
making long welds.
WARNING
4-Step does not work during Spot Welding.
Welding SMAW (MMA) Process
BESTER 190C MULTI does not include the electrode
holder with lead necessary for SMAW welding, but the
one can be purchased separately.
Procedure of begin welding of SMAW process:
First turn the machine off.
Determine the electrode polarity for the electrode to
be used. Consult the electrode data for this
information.
Depending on the polarity of using electrode,
connect the work lead and the electrode holder with
lead to output socket [8] or [9] (Figure 2) and lock
them. See the Table 1.
Table 1.
The electrode holder
with lead to SMAW
DC (+)
The electrode holder
POLARITY
with lead to SMAW
DC (-)
Connect the work lead to the welding piece with the
work clamp.
Install the proper electrode in the electrode holder.
Turn the welding machine on.
Set welding mode to MMA [6] Figure 2.
Set the welding parameters.
The welding machine is now ready to weld.
By applying the principle of occupational health and
safety at welding, welding can be begun.
Output socket
[9]
Work lead [8]
[8]
Work lead [9]
User can set functions:
BESTER 190C MULTI
The welding current
ARC FORCE
Welding GTAW Process
BESTER 190C MULTI can be used to GTAW process
with DC (-). Arc ignition can be achieved only by lift TIG
method (contact ignition and lift ignition).
BESTER 190C MULTI does not include the torch to
GTAW welding, but the one can be purchased
separately. See "Accessories" chapter.
Procedure of begin welding of GTAW process:
First turn the machine off.
Connect GTAW torch to [9] output socket.
Connect the work lead to [8] output socket.
Connect the work lead to the welding piece with the
work clamp.
Install the proper tungsten electrode in the GTAW
torch.
Turn the machine on.
Set up welding mode to GTAW [6] Figure 2
Set the welding parameters.
The welding machine is now ready to weld.
By applying the principle of occupational health and
safety at welding, welding can be begun.
English 8 English
Maintenance
WARNING
For any repair operations, modifications or maintenances,
it is recommended to contact the nearest Technical
Service Center or Lincoln Electric. Repairs and
modifications performed by unauthorized service or
personnel will cause, that the manufacturer’s warranty will
become null and void.
Any noticeable damage should be reported immediately
and repaired.
Routine maintenance (everyday)
Check condition of insulation and connections of the
work leads and insulation of power lead. If any
insulation damage exists replace the lead
immediately.
Remove the spatters from the welding gun nozzle.
Spatters could interfere with the shielding gas flow to
the arc.
Check the welding gun condition: replace it, if
necessary.
Check condition and operation of the cooling fan.
Keep clean its airflow slots.
Periodic maintenance (every 200 working hours but
at list once every year)
Perform the routine maintenance and, in addition:
Keep the machine clean. Using a dry (and low
pressure) airflow, remove the dust from the external
case and from the cabinet inside.
If it is required, clean and tighten all weld terminals.
The frequency of the maintenance operations may vary
in accordance with the working environment where the
machine is placed.
WARNING
Do not touch electrically live parts.
WARNING
Before the case of welding machine will be removed, the
welding machine had to be turned off and the power lead
had to be disconnected from mains socket.
WARNING
Mains supply network must be disconnected from the
machine before each maintenance and service. After
each repair, perform proper tests to ensure safety.
Customer Assistance Policy
The business of The Lincoln Electric Company is
manufacturing and selling high quality welding
equipment, consumables, and cutting equipment. Our
challenge is to meet the needs of our customers and to
exceed their expectations. On occasion, purchasers may
ask Lincoln Electric for advice or information about their
use of our products. We respond to our customers
based on the best information in our possession at that
time. Lincoln Electric is not in a position to warrant or
guarantee such advice, and assumes no liability, with
respect to such information or advice. We expressly
disclaim any warranty of any kind, including any
warranty of fitness for any customer’s particular purpose,
with respect to such information or advice. As a matter of
practical consideration, we also cannot assume any
responsibility for updating or correcting any such
information or advice once it has been given, nor does
the provision of information or advice create, expand or
alter any warranty with respect to the sale of our
products
Lincoln Electric is a responsive manufacturer, but the
selection and use of specific products sold by Lincoln
Electric is solely within the control of, and remains the
sole responsibility of the customer. Many variables
beyond the control of Lincoln Electric affect the results
obtained in applying these types of fabrication methods
and service requirements.
Subject to Change – This information is accurate to the
best of our knowledge at the time of printing. Please
refer to www.lincolnelectric.com for any updated
information.
English 9 English
Troubleshooting
No. Problem Possible Cause What to do
Switch off power source; Check the main
Yellow Thermal
1
Indicator is on
Wire feeding motor
2
not working
Cooling Fan not
3
working or turning
very slowly
Arc is not stable and
4
spatter is large
5 Arc will not start
6 No shielding gas
7 Others
Input voltage is too high (≥15%)
Input voltage is too low (≤15%)
Insufficient ventilation. Improve the ventilation.
Ambient temperature is too high.
Exceeding the rated duty-cycle.
Potentiometer faulty Change potentiometer
Nozzle is blocked. Change nozzle
Drive roll is loose. Increase tension on drive roll
Switch broken Replace the switch
Fan broken Replace or repair the fan
Wire broken or disconnected Check the connection
Too large contact tip makes the current
unsteady
Too thin power cable makes the power
unstable.
Too low input voltage Correct the input voltage.
Wire feeding resistance is too large
Work cable broken Connect / repair work cable
Work piece has greasy, dirty, rusty or
painted
Torch is not connected properly. Re - co nn e c t the torch.
Gas pipe is crimped or blocked. Check gas system.
Gas hose broken. Repair or replace
supply. Restart welder when power recovers
to normal state.
It will automatically recover when the
temperature reduces.
It will automatically recover when the
temperature reduces.
Change to proper contact tip and / or drive
roll.
Change the power cable.
Clean or replace the liner and keep the gun
cable straight.
Clean work piece, ensure good electrical
contact between work clamp and job.
Please contact our Field Service
Shop.
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WEEE
07/06
Do not dispose of electrical equipment together with normal waste!
In observance of European Directive 2012/19/UE on Waste Electrical and Electronic Equipment
(WEEE) and its implementation in accordance with national law, electrical equipment that has reached
the end of its life must be collected separately and returned to an environmentally compatible recycling
English
facility. As the owner of the equipment, you should get information on approved collection systems
from our local representative.
By applying this European Directive you will protect the environment and human health!
Spare Parts
12/05
Part list reading instructions
Do not use this part list for a machine if its code number is not listed. Contact the Lincoln Electric Service
Department for any code number not listed.
Use the illustration of assembly page and the table below to determine where the part is located for your particular
code machine.
Use only the parts marked "X" in the column under the heading number called for in the assembly page (# indicate a
change in this printing).
First, read the Part List reading instructions above then refer to the "Spare Part" manual supplied with the machine, which
contains a picture-descriptive part number cross-reference).
Authorized Service Shops Location
The purchaser must contact a Lincoln Authorized Service Facility (LASF) about any defect claimed under Lincoln's
warranty period.
Contact your local Lincoln Sales Representative for assistance in locating a LASF or go to
www.lincolnelectric.com/en-gb/Support/Locator.
Electrical Schematic
Refer to the "Spare Part" manual supplied with the machine.
09/16
English 11 English
Accessories
W10429-15-3M LGS2 150 MIG gun, gas cooled - 3m.
W000010786 Gas nozzle conical Ø12mm.
W000010820 Contact Tip M6x25mm ECu 0.6mm
W000010821 Contact Tip M6x25mm ECu 0.8mm
WP10440-09 Contact Tip M6x25mm ECu 0.9mm
W000010822 Contact Tip M6x25mm ECu 1.0mm
WP10468 Protection cap to FCAW-SS process.
W10529-17-4V GTAW torch WTT2 17- 4m with valve
Lead’s KIT to SMAW process:
W000260684
S33444-20 Drive roll V0.6 / V0.8
S33444-21 Drive roll V0.8 / V1.0 (Installed in standard)
S33444-22 Drive roll U0,8 / U1.0
S33444-23 Drive roll VK0.9 / VK1.1
The electrode holder with lead to SMAW process - 3m.
Work lead - 3m.
ROLL KIT FOR SOLID WIRES
ROLL KIT FOR ALUMINIUM WIRES
ROLL KIT FOR CORED WIRES
English 12 English
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