Kemppi FastMig SF 51 User manual

FastMig
SF 51, SF 54
Operating manual
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OPERATING MANUAL
English

FastMig SF 51, SF 54
2
EN
CONTENTS
1. Preface........................................................................................................... 3
1.1 General ....................................................................................................................................... 3
2. Use.................................................................................................................. 4
2.1 Connecting and mounting the panel............................................................................. 4
2.2 Functions of SF 51 and SF 54 function panel............................................................... 5
2.3 SF 51 and SF 54 operations................................................................................................. 6
2.4 Panel SF 51 and SF 54 Setup parameters ...................................................................... 8
3. FastMig error codes.................................................................................... 9
4. Disposal....................................................................................................... 11
5. Ordering numbers.................................................................................... 11

3
© Kemppi Oy / 1515
EN
1. PREFACE
1.1 General
Congratulations on choosing the SF panel. Used correctly, Kemppi products can signicantly
increase the productivity of your welding, and provide years of economical service.
This operating manual contains important information on the use, maintenance and safety of
your Kemppi product. The technical specications of the equipment can be found at the end
of the manual.
Please read the manual carefully before using the equipment for the rst time. For your
own safety and that of your working environment, pay particular attention to the safety
instructions in the manual.
For more information on Kemppi products, contact Kemppi Oy, consult an authorised Kemppi
dealer, or visit the Kemppi web site at www.kemppi.com.
The specications presented in this manual are subject to change without prior notice.
Important notes
Items in the manual that require particular attention in order to minimise damage and
personal harm are indicated with the ’NOTE!’ notation. Read these sections carefully and follow
their instructions.
Disclaimer
While every eort has been made to ensure that the information contained in this guide
is accurate and complete, no liability can be accepted for any errors or omissions. Kemppi
reserves the right to change the specication of the product described at any time without
prior notice. Do not copy, record, reproduce or transmit the contents of this guide without
prior permission from Kemppi.

FastMig SF 51, SF 54
4
EN
2. USE
FastMig SF 51 and SF 54 panels are supposed to be used only with synergic powers sources
FastMig KMS 300, 400 or 500. SF 51 panel can be mounted to MXF 63 (200 mm wire spool)
wire feeder and SF 54 panel to MXF 65 and 67 (300 mm wire spool) wire feeders.
2.1 Connecting and mounting the panel
Fasten the ribbon cable connector from the MXF wire feed unit to the function panel.
MXF 65
1.
2.
1. Place the bottom edge of the panel behind the securing clips on the machine. Remove
the xing pin from the top edge with, for example, a screwdriver. Then gently push
the upper part of the panel into place. Make sure that the cables do not get damaged,
continue gently pushing the upper part of the panel until it clips into place.
2. Finally secure the panel into place with the additional black plastic security clip provided
(MXF 65 only). Ensure that the clip is positioned correctly. You will notice that the clip
does not seat snuggly if it's positioned upside down.
MXF 63 + MXF 67
MXF 63 MXF 67
+

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© Kemppi Oy / 1515
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2.2 Functions of SF 51 and SF 54 function panel
DYNAMICS
WIRE INCH
GAS TEST
weld
data
ARC FORCE
V
A
m/min
4T
SETUP
2T
U
MMA
MIG
MMA
PANEL
SF 51
W001318
1. 2. 3. 4. 5. 6. 7.
8.
9. 10. 11. 12. 13.
1. ON/OFF button
2. a) Wire feed speed/welding current display
b) Selected SETUP entry display
3. MIG dynamics/MMA Arc Force selection
4. Selection of air/liquid cooled MIG gun
5. Gas test
6. Weld data: Show last used welding parameters in displays
7. Wire inch
8. a) Welding voltage display
b) Adjustable parameters display
9. Selection of MIG/MMA process
10. a) Selection of switching logic: 2T/4T
b) Long press: Setting the basic parameters (SETUP)
11. a) Adjustment of wire feed speed
b) Adjustment of MMA current
c) Selection of SETUP parameter
12. a) Welding voltage adjustment
b) Adjustment of MIG dynamics
c) Adjustment of SETUP parameters
13. Manual control/remote control unit selection

FastMig SF 51, SF 54
6
EN
2.3 SF 51 and SF 54 operations
ON/OFF (1)
The wire feed unit remains in the OFF position when the power source is switched on, thus
preventing start-up. ’OFF’is shown on the display.
When the ON/OFF button is pressed for more than 1 second, the unit starts up. The unit is now
ready for welding and will automatically return back to it previous position, before the power
was cut o. The wire feed unit starts up also by pressing three (short) times the switch of the
welding gun.
Basic settings and displays
The wire feed speed is set via left potentiometer (control knob) and the value is shown on the
left display. The welding voltage is set via right potentiometer (control knob) and the value is
shown on the right display.
During welding, the left display shows the actual welding current value and the display on the
right shows the welding voltage.
With electrode welding (MMA) the welding current value is set via the potentiometer and
the value is shown on the left display. The display on the right shows the idling voltage of the
power source. During welding the left display shows the actual welding current value and the
display on the right shows the welding voltage.
When the MIG dynamics adjustment is activated with Arc Force/Dynamics button the Mig
dynamics value is adjusted via right potentiometer (control knob) (see the information on
adjustment of MIG dynamics).
Adjustment of MIG dynamics/Arc Force (3)
With MIG welding dynamics adjustment is inuenced on welding stability and spatter
amount. Zero setting is recommended basic setting. Values –> min (-9 ... -1), softer arc for
reduced spatter amount. Values –> max (1 – 9), harder arc for increased stability and when 100
% CO₂ shielding gas is used when welding steel.
With electrode welding Arc Force adjustment is inuenced on welding stability. Adjustment
is needed for using dierent types of electrodes. Control range (-9 ... 0) is commonly used for
welding electrodes for stainless steel. Control range (0 – 9) is used for harder arc characteristic
to increase stability, e.g. for welding with thicker basic electrodes and using lower current
value than recommendated. Factory set value (0) is a good general use for adjusting the
roughness of the arc.
Selection of liquid-/air-cooled MIG gun (4)
Selection of liquid-cooled/air-cooled MIG gun is activated by pressing buttons 3 and 5
simultaneously (for more than 1 second). When ‘Gas’ is shown on the display, the welding
equipment will assume that an air-cooled MIG gun has been connected. If the above buttons
are pressed again, the text ’CooLEr’ appears on the display and the LED indicating liquid
cooling selection lights up. In this case, the welding equipment will assume that a liquid-
cooled MIG gun has been connected to the equipment. When liquid cooling is selected, the
liquid cooling unit will start up in connection with the next equipment start-up.
The selection can also be made through the SETUP function.

7
© Kemppi Oy / 1515
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Gas test (5)
The gas test button opens the gas valve without activating the wire feed or power source. Gas
ows for 20 seconds by default. The display shows the remaining gas ow time. The default
time of gas ow can be adjusted via the right-hand potentiometer within a range of 0 to 60
seconds. The new time setting is recorded in the memory. The gas ow can be discontinued
by pressing the ON/OFF button or the start switch of the gun.
Weld data (6)
The weld data function is activated by pressing buttons 5 and 7 simultaneously. The weld
data function returns the welding current and voltage values to the displays that were in use
during the last weld.
Wire inch (7)
The wire inch button starts the wire feed motor without opening the gas valve and without
engaging the power source. The default wire feed speed is 5 m/min. The speed can be
adjusted via the right-hand potentiometer. When the button is released, the wire feed stops.
Operation returns to normal approx. 3 seconds after release of the button or if the ON/OFF
button is pressed briey.
Selection of welding process (9)
The welding process – normal MIG/MMA – can be chosen by the welding process selection
button. In MIG welding wire feed speed and welding voltage are adjusted separately.
Electrode welding (MMA) is selected by pressing the button for >1 second.
NOTE! When electrode welding is selected, the power source, the electrode holder connected to it
and the MIG gun become energised (open circuit voltage).
Selection of MIG operating procedure (10)
Gun trigger logic selection.
Short Press: 2T / 4T selection.
Long Press: Setup functions.
Setup (10)
When the adjustment of SETUP parameters has been conrmed with long press of the SETUP
button (10b), the adjustable parameter is selected via left potentiometer (control knob), and
the name of the parameter is shown on the left display. Parameter value is selected from
right potentiometer (control knob), and the value can be seen on the right display. (See the
information on SETUP functions).

FastMig SF 51, SF 54
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EN
Remote Selection Button (13)
Remote control unit is connected to the device by pressing button 13. The wire feed speed
and welding voltage setting operations are performed via remote control. In this case,
potentiometers 11 and 12 of the panel are disconnected.
2.4 Panel SF 51 and SF 54 Setup parameters
Normal MIG welding Setup -parametres
Name of
parameter
Name on
display
Parameter
values
Factory
setting
Description
Pre Gas Time PrG 0.0 – 9.9 s 0,0 s Pre gas time in seconds
Post Gas Time PoG 0.0 – 9.9 s Aut Post gas time in seconds or automatically according to
welding current (Aut)
Creep Start Level CrE 10 – 170% 50 % Percentage of wire feed speed:
10 % slowed start
100 % = no creep start function
170 % accelerated start
Start Power StA -9 ... +9 0 Strength of start pulse
Post Current Time PoC -9 ... +9 0 Post current
Arc Voltage Ard OFF, on OFF on: Display shows arc voltage
OFF: Display shows pole voltage
Cable Length CAb std, 5 – 80m std Cable loss is calculated for optimal arc control and for the
ArcVoltage display
Common Setup -parameters for MIG processes
Name of
parameter
Name on
display
Parameter
values
Factory
setting
Description
Device Address Add 3 or 6 3 Wire feeder bus address
Using features of
PMT Gun
Gun OFF, on on on = PMT gun
OFF = other gun
Gas Guard
Connected
GG no, YES on Implementation of gas guard
LongSystem Mode LSY OFF, on OFF on: Gives optimum welding characteristics with long
welding cables
Code Entry Cod ---, Ent --- Entering license codes manually:
1. Adjust right potentiometer to (‘Ent’).
2. Press REMOTE.
3. Set code with right potentiometer.
4. Choose next with left potentiometer.
5. Go back to point 3, until all codes have been set.
6. Approve by pressing REMOTE. (‘Suc cEs’)
Water Cooler Coo OFF, on on Enables water cooler
Wire Inch Stop Inc OFF, on on OFF = Stops wire inch in case arc does not ignite
on = Feeds wire as long as the welding gun start switch
is pressed.

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© Kemppi Oy / 1515
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Auto Wire Inch AIn OFF, on on SuperSnake AutomaticWire Inch function.Wire Inch
button runs the ller wire from the wire feeder up to the
SuperSnake.
Demo Licence Time dEt 3-h, 2-h, **’,
**’’, OFF
The remaining time for the WiseDemo licence
(readable value only).
3-h = max. 3 hours left
2-h = max. 2 hours left
**’= ** minutes left
**’’= ** seconds left
OFF = Demo period has expired.
Restore Factory
Settings
FAC OFF, PAn,
ALL
OFF Control panel reset function.
OFF = No reset
PAn = Settings will be restored, but memory channels
remain unchanged
ALL = All settings will be restored to factory values.
Setup-parameters for MMA welding
Name of parameter Name on
display
Parameter
values
Factory
setting Description
Start Power StA -9 ... +9 0 Strength of start pulse
Device Address Add 3 or 6 3 Wire feeder bus address
Code Entry Cod ---, Ent ---
Entering license codes manually:
1. Adjust right potentiometer to (‘Ent’).
2. Press REMOTE.
3. Set code with right potentiometer.
4. Choose next with left potentiometer.
5. Go back to point 3, until all codes have
been set.
6. Approve by pressing REMOTE. (‘Suc cEs’)
Restore Factory
Settings FAC OFF, PAn, ALL OFF
Control panel reset function.
OFF = No reset
PAn = Settings will be restored, but
memory channels remain unchanged
ALL = All settings will be restored to
factory values
NOTE! Arc Voltage Display function needs activation.

FastMig SF 51, SF 54
10
EN
3. FASTMIG ERROR CODES
The existence of possible faults in the equipment is investigated in connection with each
wire feed unit start-up. If a fault is detected, the fault in question will be indicated as an ’Err’
message on the panel display.
Error code examples:
Err 2: Undervoltage
The device has stopped because it has detected a mains undervoltage that disturbs welding.
Check the quality of the supply network.
Err 3: Overvoltage
The device has stopped because dangerously high temporary voltage surges or a continuous
over-voltage has been detected in the electric network. Check the quality of the supply
network.
Err 4: Power source is overheated
The power source has overheated. The cause may be one of the following:
• The power source has been used for a long time at maximum power.
• The circulation of cooling air to the power source is blocked.
• The cooling system has experienced a failure.
Remove any obstacle to air circulation, and wait until the power source fan has cooled down
the machine.
Err 5: Water unit alarm
The water circulation is blocked. The cause may be one of the following:
• Congestion or disconnection in the cooling pipeline
• Insucient cooling liquid
• Excessive cooling liquid temperature
Check the circulation of the cooling liquid and the air circulation of the water unit.
Err 54: No data communication from power source
The data transmission between the power source and the wire feed unit has been cut o or is
defective. Check the extension lead and connections.
Err 55: Power source is busy
The communication channel is busy. The power source is being used by another wire feed unit
or the programming for some other device in the channel (e.g. control panel) is in progress.
Err 61: The water unit is not found
Water unit is not connected to the equipment or there is a connection fault.
Connect up the water unit or change the setting of the unit to air-cooled, if you are using an
air-cooled welding gun
Err 153: Overheating of liquid-cooled PMT gun
When starting to weld or during welding, the overheat protection on the liquid-cooled MIG
welding gun has activated. Check that there is sucient liquid in the cooling unit and that
air is circulating freely through it. Ensure that liquid is circulating freely through the cooling
hoses.
Err 154: Overloading of the wire feed motor
The welding has been interrupted because the loading of the wire feed motor has risen to
a high level. The cause of this could be a blockage of the wire line. Check the wire conduit,
contact tip and feed rolls.
Err 155: Warning of the wire feed unit overloading
The wire feed motor load level has risen. The cause could be dirty wire conduits or a gun cable
twisted into sharp curves. Check the state of the gun and clean the wire line if necessary
Err 165: Gas guard alarm
Gas guard function has worked, because the pressure of gas has decreased. Possibly reasons:
Gas is unconnected to the wire feeder. Gas has been ran out, gas hose is leaking or there is no
pressure enough in the gas web. Connect the gas to the wire feeder, check gas hose and the
pressure of the gas web.

11
© Kemppi Oy / 1515
EN
Err 171: Conguration not found for the device
The equipment’s internal data transmission has been cut o. The optional features cannot be
used. Turn o the machine, detach the welding gun and re-start the machine. If an error code
does not appear in the display, the fault lies in the welding gun. If this error code pertains,
contact maintenance.
Err 172: A wrong conguration code has been supplied
License activation with DataGun has failed. Turn o the machine, detach DataGun and restart
the machine. Reconnect DataGun. If this error code recurs, contact maintenance.
Err 201: Use of PMT gun is prevented
You try to use the PMT welding gun, but the necessary settings have not been entered into
the machine’s control panel. Select ‘PMT gun’from the control panel SETUP menu, if you wish
to use it. This fault can also occur with other guns, if the trigger contacts are bad or dirty.
Err 221: Two wire feeders connected with the same device address.
Two wire feed units have the same device address. Dene dierent addresses for the devices
as follows:
1. Press any button on either control panel (except the ESC button). “Add” (Device Address)
is displayed.
2. Change the device address using the right-hand control knob.
3. Return to normal status by pressing again any button on the control panel.
The machines will return to normal status within 15 seconds.
Other error codes:
The machine can show codes not listed here. In the event of an unlisted code appearing,
contact an authorised Kemppi service agent and report the error code shown.
4. DISPOSAL
Do not dispose of electrical equipment with normal waste!
In observance of European Directive 2002/96/EC on waste electrical and electronic
equipment, and its implementation in accordance with national law, electrical equipment
that has reached the end of its life must be collected separately and taken to an appropriate
environmentally responsible recycling facility.
The owner of the equipment is obliged to deliver a decommissioned unit to a regional
collection centre, per the instructions of local authorities or a Kemppi representative. By
applying this European Directive you will improve the environment and human health.
5. ORDERING NUMBERS
SF 51 MSF 53, MXF 63 6085100
SF 54 MSF 55, MSF 57, MXF 65, MXF 67 6085400

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1515
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