Kemppi MasterTig MLS 3003 ACDC Manuel utilisateur

Service manual

Mastertig MLS 3003 ACDC

Version 1.2

Technical data

The device may be repaired only by a person legally authorized

perform electric work!

Measured values may differ by the type and model of multimeter used.

Maximum power can be achieved with 20 kVA generator for the power source.

Mains Voltage 3 ~ 230 V - 10% … 460 V +10%, 50/60 Hz

Mains cable H07RN-F 4G2.5, length 5 m

Fuse 20/ 16A delayed fuse

Rated power 40% 100%

TIG 300A TIG 190A

MMA 250A MMA 190A

Minimum Current TIG 3A ( AC 5A ) / MMA 10A

Open circuit Voltage 58 V

Power Factor at nominal values 0,95

Efficiency at nominal values 80-84 % (250A / 30V)

77-81 % (300A / 22V)

Open circuit power TIG < 13W

MMA 190W

Electrode sizes to be welded 1,5 - 5,0 mm

Size ( l x w x h ) 500 x 180 x 390 mm

Weight 25 kg

User interface

1.2.

1. Gas connector for TIG torch

2. Welding current connection (negative)

3. Operation panel

4. Remote controller connection

5. TIG -torch control connection

6. Welding current connection (positive)

7. Main switch

8. Gas connector

Error code Description

Err 3 Overvoltage

Err 4 Over heating

Err 6 Internal fault, secondary voltage over the limit.

Err 8 Maximum overheat time, machine doesn’t cool down fast enough. Only machine

shutdown and restart removes error.

Err 61 Water connection, water cooled gun connected without cooler.

COO Ler Cooler error:

- Cooling liquid over- / under pressure state

- Overheated alarm

BuS Err Communication between panel and power source isn’t possible

Err rSt System error, machine makes reset itself.

Setup functions

Welding current upslope time * A1

ON The upslope time depends on the welding

current

OFF The upslope time is fixed

Welding current downslope time * A2

ON The downslope time depends on the welding

current

OFF The downslope time is fixed

TIG Antifreeze * A3

ON TIG Antirfeeze is ON

OFF TIG Antifreeze is OFF

MMA Antifreeze * A4

ON MMA antifreeze is ON

OFF MMA antifreeze is OFF

VRD ***

(MMA open circuit voltage) A7

ON VRD-function: MMA open circuit voltage < 35

Vdc

OFF Normal open circuit voltage is 50 Vdc

2T-function´s downslope cutoff A8

ON On 2T-function the downslope is cut off by a

quick press on the start switch

OFF Quick press on the start switch has no function

Tacking automatics A9

ON Tacking automatics is ON; no downslope, if the

weld is shorter than 3 s

OFF Tacking automatics is OFF

Current upslope speed A10

ON If upslope time is 0,0 s, it goes to 0,2 s from the

halfway of currents > 100 A.

OFF Maximum current upslope speed

Method selection by remote

controller * A12

ON Method selection; TIG: minimum end of the

range of the remote controller, MMA: the

maximum end of the remote controller range

OFF The remote controller works as a normal current

adjustment

Entering the advanced setup press and hold the setup and Return buttons at the same

time. Changing the level press Setup button shortly

* Setting is always on ** Adjustable also by the Quick Setup *** Requires VRD card

Setup functions

Start current level A13

ON Start current level in use

OFF Start current level not in use

Current ”freezing” A14

ON During downslope the current can be ”frozen”

onto a certain level, using the start switch

OFF ”Freeze” function is OFF

TIG -torch auxiliary switches (RTC

20) * A15

ON Torch auxiliary switches are used to select

memory channels

OFF Torch auxiliary switches adjust welding current

TIG -torch auxiliary switches (RTC

20) activation * A16

ON Auxiliary switches are always active

OFF Auxiliary switches are active only when torch

control is selected

Cooling unit flow control * A17 ON Flow control is active

OFF Flow control is not active

Cooling unit control * A19

ON Controlled run

OFF Continous run

Coolant temperature watch * A20

ON Temperature watch is active

OFF Temperature watch is not active

Remote controller automatic

detection * A21

ON Automatic detection is ON

OFF Automatic detection is OFF

End current level A22

ON 4T-LOG: End current level is in use

OFF MINILOG: End current level is not in use

Tungsten electrode type *** A23 NOR Normal = Gray tungsten

GRN GRN = Green tungsten

* Setting is always on ** Adjustable also by the Quick Setup ***Depends on panel software version

Setup functions

Contact ignition current * B1

20 Factory setting 20 A

3…2

Adjustment range 3…230 A

Spark ignition duration * B2

1.0 Factory setting 1,0 s.

0.2

…2.

Adjustment range 0,2…2,0 s.

Downslope cutoff level * B3

10 Factory setting 10 % of the welding current

5…4

Adjustment range 5…40 % of the welding

current

Factory settings recall * B5

OFF Factory setting

PAN Recalls factory settings to the panel, but keeps

memory channels

ALL Recalls factory settings and empties the memory

channels

Downslope interruption –upslope

angle * B6

1 Upslope speed maximum

2 According to the upslope setting

3 According to the downslope

Non-linear downslope

(Current drop in the beginning of

downslope)

OFF Factory setting

0…5

Adjustment range 0…50 % of welding current

Torch switch long press * B8

0.4 Factory setting 0,4 s.

0.3

…1.

Adjustment range 0,3…1,0 s.

Cooling unit post running time * B9 OFF Factory setting 4 min.

ON Post-running time 30 s.

* Setting is always on ** Adjustable also by the Quick Setup

Setup functions

Spot welding spot-time * B10

OFF Factory setting 0,0…15,0 s.

ON 0…150 s.

MMA dynamics ** B11

0 Factory setting

9…0

…9

Adjustment range -9 = soft arc, 9 = rough arc

MMA ignition pulse ** B12

0 Factory setting

9…0

…9

Adjustment range -9 = minimum overrun, 9 =

maximum overrun

Start current level * B13

10 Factory setting 10 % of the welding current

OFF Minimum current

5…4

Adjustment range 5…40 % of the welding

current

Display recovery time B14

5.0 Factory setting 5,0 s.

1.0

…20

Adjustment range 1,0…20,0 s.

2T Hot Start duration ** B15

1.0 Factory setting 1,0 s.

0.1

…5.

Adjustment range 0,1…5,0 s.

* Setting is always on ** Adjustable also by the Quick Setup

Setup functions

Pregas time minimum * C1

0.0 Factory setting 0,0 s.

0.0

…2.

Adjustment range 0,0…2,0 s.

Postgas time minimum * C7

1.0 Factory setting 1,0 s.

0…1

Adjustment range 0…10 s.

AC balance minimum * C16

-80 Factory setting -80 %

80…

-10

Adjustment range -80…-10 %

Pregas time maximum * D1

1 Factory setting 1 s.

0…1

Adjustment range 0…10 s.

Postgas time maximum * D7

30 Factory setting 30 s.

15…

150

Adjustment range 15…150 s.

AC balance maximum * D16

10 Factory setting 10 %

0…2

Adjustment range 0…120 %

* Setting is always on ** Adjustable also by the Quick Setup

Setup functions

AC frequency ** E1

60 Factory setting 60 Hz

50…250 Adjustment range 50…250 Hz

AC waveform ** E2

Sqr Square wave

Sin Sinus wave

Half cycle AC E3

5 Factory setting 5 A

5…20 Adjustment range 5…20 A

AC balance ** E4

-25 Factory setting -25 %

-50…10 Adjustment range -50…10 %

Negative ignition current * E5

100 Factory setting 100 %

100…500 Adjustment range 100…500 % (Limited by

the max. of the power source)

Positive ignition current * E6

50 Factory setting 50 %

30…150 Adjustment range 30…150 % (Limited by the

max. of the power source)

Positive ignition sequence time * E7

10 Factory setting 10 = 0,01 s

0…20 Adjustment range 0…20 = 0,0…0,02 s

Ignition cycle total time */*** E8

0.20 Setting 0,20 s.

0.01…1,0 Adjustment range 0,01…1,0 s.

MIX TIG cycle time ** E9

0.6 Factory setting

0.1…1,0 Adjustment range 0,1…1,0 s.

* Setting is always on ** Adjustable also by the Quick Setup *** Note panel software version

Setup functions

MIX TIG AC pulse ratio ** E10

50 Factory setting 50 %

10…

Adjustment range 10…90 %

MIX TIG DC level ** E11

100 Factory setting 100 %

50…

150

Adjustment range 50…150 %

Spotwelding time * E12

10 Factory setting 10 ms.

1…2

Adjustment range 1…200 ms.

* Setting is always on ** Adjustable also by the Quick Setup

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