MX300 C PULSE
Simple design, easy to useTechnical Documentation
Front Panel
(1) Wire Feed Speed
(2) Welding Current
(3) Material Thickness Selection
(4) Above Menu Selection / Function Settings
(5) Trigger Selection
(6) Material Type Selection / Press and Hold for Manual Welding
(7) Wire Diameter Selection / Press and Hold for TIG Welding
(8) Shielding Gas Selection / Press and Hold for MMA Welding
(9) Standard Process Selection
(10) X Process Selection
(11) Above Menu Selection / Job Settings
(12) Inductance
(13) Voltage
(14) Program Memory
(15) Hold Indicator
(16) Lock Indicator
(17) Trigger Indicator
Job Table

Function Table

(F1) Gas Pre-Flow
Gas Pre-Flow
Allows to regulate the duration of the shielding gas flowing before arc ignition to form
the protection gas cloud around ignition area. Usual set rule of thumbs: 0.1*Torch hosepacklength.
Unit: s
Setting range: 0 – 10
Factory setting: 0.1
Fabrika ayarı: 0,1
(F2) Wire start creep speed
Defines how fast the wire approach the workpiece before arc ignition related to main wire.
Lower values lead to softer ignition, higher values provide immediate start with minimal delay,
but the probability of ignition spatters occurs. The creep speed is limited in the range 1.5…11 m/min.
Unit: %
Setting range: 20 – 100
Factory setting: 1
(F3) Start (HotStart) Time
Together with F4, F5, F6 determines the weld start mode, mostly regulates the amount of metal to
fill the initial volume of the welding pool.
Unit: s
Setting range: 0 – 10
Factory setting: 130
(F4) Start (HotStart) Amperage Correction
Together with F3, F5, F6 determines the weld start mode, mostly regulates the penetration on the
initial volume of the welding pool. Usually takes the value more than 100% to allow the cold
metal to heat up rapidly. If the initial gap has to be bridged and filled, the value less than
100% recommended.
Unit: %
Setting range: 0 – 200
Factory setting: 0.2
(F5) Start Arc Correction
Together with F3, F4, F6 determines the weld start mode, allows the operator to regulate the
penetration profile on the initial phase of the weld.
Unit: %
Setting range: 9.9-+9.9
Factory setting: 0
(F7) Start Slope
Together with F3, F4, F5 determines the weld start mode, allows the operator to reach smooth
transition from the arc initiation point of the weld to the main seam geometry.
Unit: s
Setting range: 0 – 5
Factory setting: 0.5
(F8) Duo Peak Time
Relevant for TIG Pulse, and MIG/MAG DuoPulse, Position and Tack/Stitch welding modes.
Determines the duration of high power phase of the process (TIG, MIG/MAG DuoPulse, Position)
or arc on time (Stitch/Tack).
Unit: s
Setting range: 0.05 – 10
Factory setting: –
(F10) Duo Base Time
Relevant for TIG Pulse, and MIG/MAG DuoPulse, Position and Stitch welding modes.
Determines the duration of high power phase of the process (TIG, MIG/MAG DuoPulse, Position)
or arc break time (Stitch).
Unit: s
Setting range: 0.05 – 10
Factory setting: –
(F11) Duo Base Amper
The expression of the low-energy (cold) pulse current of DuoPulse and Position processes relative
to main weld current.
Unit: %
Setting range: 1 – 100
Factory setting: –
(F12) Duo Base Arc Correction
The arc voltage correction during the low-energy (cold) pulse current of DuoPulse and Position
processes, affects the overlap boundary between the weld bead ripples mainly along the seam toe.
Unit: %
Setting range: -9.9 -+9.9
Factory setting: –
(F15) End Down Slope
Together with F16, F17, F18 determines the crater filling mode, allows the operator to reach
smooth transition from the main seam to end crater filling zone.
Unit: s
Setting range: 0 – 10
Factory setting: –
(F16) End Time
Together with F15, F17, F18 determines the crater filling mode, mainly regulates the volume of
metal to transfer to fill the crater.
Unit: s
Setting range: 0 – 10
Factory setting: –
(F17) End Amperage Correction
Together with F15, F16, F18 determines the crater filling mode, regulates the penetration and
fusion degree during end crater filling.
Unit: %
Setting range: 0 – 200
Factory setting: –
(F18) End Arc Correction
Together with F15, F16, F17 determines the crater filling mode, regulates the crater filling
fusion spot area.
Unit: %
Setting range: – 9.9 -+ 9.9
Factory setting: 0.5
(F20) Cut Length correction
Together with F21 set to 2 defines the duration of the BurnBack pulse duration at arc end.
Unit: ms
Setting range: 0-15
Factory setting: –
(F21) End Wire Cut Mode
0: The wire stops immediately on arc off (no additional wire cut algorithms enabled);
1: The wire comes toward the welding pool to touch it and let the last droplet to be transferred
with additional current pulse with predefined current value and duration regarding F20 (CL).
Suitable for Steel, CrNi and other wires with high melting temperature
2: The wire stops and
the last droplet is being detatched with the pulse with duration determined in F20 (CL).
Suitable for Al-, Cu-based alloys and other materials with low melting temperature and high
termal conductivity.
3: The wire comes toward the welding pool to touch it and let the last
droplet to be transferred, after that the wire is retracted back with predefined speed and
time regarding F20 (CL) correction.
Unit: –
Setting range: 0-2
Factory setting: 2
(F22) Gas Post-flow
Allows to regulate the duration of nd shielding gas flowing after arc off to balance between gas
consumption and after-weld hot seam metal protection.
Unit: s
Setting range: 0-10
Factory setting: –
(F23) Smart Trigger
Enabling of the SmartTrigger allows the welder to select first three program memories (P01…P03)
in loop by rapid torch trigger double push.
Unit: s
Setting range: 0-10
Factory setting: –
(F24) Stable Penetration Limit
Relevant for Stabil process. Sets the limit of automatic wire regulation implementing Penetration
Stabilizer function. While the welding the weld current keeps constant due involving of the
wirefeed speed into the arc regulation process. E.g.: Penetration Stabilizer (F24) = 2 m/min;
main wire feeding speed = 10m/min. The wirefeed regulation boundaries is 10 +/-2 = 8 to
12 m/min in this case.
Unit: m/min
Setting range: 0-10
Factory setting: 2
(F25) Hot Start Time
Together with F26 determines the weld start mode, mostly regulates the initial weld spot
formation and metal preheat degree.
Unit: s
Setting range: 0-10
Factory setting: –
(F26) Hot Start Amperage Correction
Together with F25 determines the weld start mode, mostly regulates the initial penetration
and fusion degree.
Unit: %
Setting range: 0-200
Factory setting: –
(F27) Arc Force
Defines the droplet detachment force and general arc pressure due imitation of inductance coil
in the weld circuit. Less percentage equals to less “virtual inductance”, leads to more agressive
and penetrative arc.
Unit: –
Setting range: 0-+50
Factory setting: –
(F28) MMA: AntiStick
Duration of short circuit current allowed to flow through electrode to workpiece contact spot until
the current cut off to prevent the fusion of the electrode end to the base metal surface.
Unit: s
Setting range: 0-2
Factory setting: 0.5
(F29) MMA: VRD Function
Voltage Reduction Device setting enabled reduces idle open circuit voltage to prevent the
electrical shock in dangerous conditions.
Unit: –
Setting range: 0-1
Factory setting: off 0
(F31) TIG: V Stop Limit
Determines the voltage of the arc cut off. If the voltage goes higher, than setting specified, the
powersource breaks the arc. Initial value is calculated according set parameters, additionally
correction -2.0…2.0 V allowed.
Unit: V
Setting range: 18-18
Factory setting: –
(F32) TIG: Comfort Stop Sensitivity
The Comfort Stop uses the “lift up-back down” torch gesture to trigger the welding to stop. The
correction of the minimal default voltage rise, which the powersource reacts on, specified.
Unit: –
Setting range: -2-+2
Factory setting: off 0
(F34) Tack/Stitch Mode
0 – Disabled. 1 – Tack mode: the arc burns during the time specified in F08 parameter, after stops
until the weld start is triggered again. Useful to implement the tacking. 2 – Stitch mode: the arc
burns during the time specified in F08 parameter, after stops for period of time F09, and reignites
again automatially. Short cycles form the overlapping metal scales, they are useful for vertical up
weldiung, thin metal fusion, gap bridging; long cycles are used to form the dashed seam,
especially with use of automation.
Unit: –
Setting range: 0-2
Factory setting: 0
(F35) Cooling Unit Mode
0 – Default: cooling pump and main fan are enabled automatically if welding starts;
1 – water cooling pump is disabled constantly, main fan is enabled automatically if welding starts;
2 – water cooling pump runs constantly, main fan is enabled automatically if welding starts;
3 – water cooling pump is disabled, main fan runs constantly;
4 – water cooling pump and main fan are running constantly.
Unit: –
Setting range: 0-4
Factory setting: 0
(F36) Feeder Motor Current
Displays wire feeder motor current rate. Useful to diagnose the condition of wirefeeding patch
during welding or wire forwarding.
Unit: A
Setting range: 0-4
Factory setting: –
(F37) Feeder Motor Current Limit
Limits the wire feeder motor curreIt. In the case of current excess the Err 30 is displayed and
welding stops automatically.
Unit: A
Setting range: 0.7-7
Factory setting: –
(F38) Auto load Job Defaults
Defines the behavior of background parameters set in the F-menu. 0 – Program-memory-related
background parameters: all the menu settings are stored to the Program Memory. No change of
it if the different Job is selected. 1 – Job-related background parameters: the background
parameters follow the Jobs. They are set automatically to their factory defaults in the case
of different Job selection.
Unit: –
Setting range: 0-1
Factory setting: 0
(F39) Motor Control Firmware
Displays the firmware version number of the wire feeder motor and control panel board.
Unit: –
Setting range: Auto-Auto
Factory setting: –
(F40) Power Control Firmware
Displays the firmware version number of the power control board.
Unit: –
Setting range: Auto-Auto
Factory setting: –
(F41) Arc on Time
Displays total time of arc burning.
Unit: h
Setting range: 0-4
Factory setting: –
(F42) Machine on Time
Displays total duration of the machine switched on state.
Unit: h
Setting range: 0-4
Factory setting: –
(F45) Wirefeed speed correction
Allows to add the constant correction to the default wirefeed speed value independently
from electrical welding parameters. It is useful to apply not exact Job-reffered welding wire / gas
mixture or to compensate their chemical composition deviations.
Unit: m/min
Setting range: -2-+2
Factory setting: 0
(F48) LED bar mode
Sets the color and behavior of the LED bar on the front panel.
Unit: –
Setting range: 0-4
Factory setting: 0
(F49) Pulse controller mode
For the Pulse process defines the type of the Pulse controller to implement.
Unit: –
Setting range: 0-9
Factory setting: 0
(F50) RL Cable Callibration
Set the value of the welding circuit resistance for automatic compensation of arc control
parameters. May be set manually or calibrated automatically via ensuring the contact between
base metal and torch contact tip and pushing the trigger while F50 parapeter is active on the
display. No welding start is performed in that case.
Unit: –
Setting range: 0-30
Factory setting: 7
Error List
| ERR | 01 | Error-1 Phase error. Occurs when any of the phases does not reach the machine. |
| ERR | 03 | Error-3 IGBT thermal error. Occurs when the IGBTs overheat or when the fan is not operating. (Used in SAW models only.) |
| ERR | 04 | Error-4 Flow sensor error. Triggered when the machine runs out of coolant or when the connectors are not properly inserted. |
| ERR | 05 | Error-5 IGBT thermal error. Occurs when the IGBTs overheat or the fan is not operating. |
| ERR | 06 | Error-6 Diode thermal error. Triggered when the output diode overheats. |
| ERR | 08 | Error-8 Panel board communication error. Occurs when the panel board fails to communicate with the motor board. |
| ERR | 09 | Error-9 Motor board communication error. Occurs when the motor board fails to communicate with the control board. |
| ERR | 10 | Error-10 Con trol board communication error. Triggered when the control board fails to communicate with the panel. |
| ERR | 12 | Error-12 Overcurrent error. Occurs when the machine attempts to draw excessive current or when one of the phases is missing. |
| ERR | 14 | Error-14 Overcurrent protection error. Usually triggered by an IGBT malfunction. |
| ERR | 15 | Error-15 It occurs when there is a problem at +15 or -5 volts. It can also trigger this error if the current sensor is faulty. |
| ERR | 20 | Error-20 Robot board communication error. Occurs when the robot board fails to communicate with the control board. |
| ERR | 30 | Error-30 Motor overcurrent error. Triggered when the motor current exceeds its defined limit. |
| ERR | 40 | Error-40 Memory read/write error. Occurs when the panel fails to read or write data. When this error occurs, the panel automatically resets after 5 seconds and attempts to read/write again. |
Factory Settings
Press and hold the F5 button for 5 seconds.
The machine will display a countdown from 5 to 1 on the screen.
When the countdown is complete, the device will automatically return to factory settings.