ESAB CaddyTig HF Manuel de service

0740 800 179 Valid for serial no. 718--xxx--xxxx071123Tig 2200i AC/DCCaddytService manual

S0740 800 179/E071123/P64-- 1 0 --ct33_01DESCRIPTION OF OPERATIONThis description describes the function of circuit boards and other components in the

S0740 800 179/E071123/P64-- 1 1 --ct33_022AP1 Power supply boardThe power supply board filters the mains voltage and generates internal supply voltage

S0740 800 179/E071123/P64-- 1 2 --ct33_02Transistor Q5 is the switching element in a switched voltage supply. Thesecondary voltage, +24 V, is sensed b

S0740 800 179/E071123/P64-- 1 3 --ct33_02Early warning power shut downIf the voltage goes low, output PS4 generates a warning signal to theprocessor o

S0740 800 179/E071123/P64-- 1 4 --ct33_1010AP1 TIG boardWARNING!Dangerous voltage - mains voltage.The relay contacts, the gas valve 10YV1, the HF gene

S0740 800 179/E071123/P64-- 1 5 --ct33_1010AP1 Component positionsWARNING!Dangerous voltage - mains voltage.

S0740 800 179/E071123/P64-- 1 6 --ct33_15_115AP1 Power boardWARNING!Dangerous voltage - mains voltage.Never make any measurements on this boardwhen th

S0740 800 179/E071123/P64-- 1 7 --ct33_15_1Gate d river stagesTransformer TR1 is a gate driver transformer for galvanic isolation of the drive circuit

S0740 800 179/E071123/P64-- 1 8 --ct33_15_115AP1 Component positionsPin positions of the semiconductor module:(Seen from the component side of the boa

-- 1 9 --ct33_15_215AP2 Secondary boardThe secondary board is fitted on the main transformer 15TM1, diode module 15D1 andinductor 15L1.Diode module 15

S0740 800 179/E071123/P64-- 2 --TOCeRights reserved to alter specifications without notice.READ THIS FIRST 4...

S0740 800 179/E071123/P64-- 2 0 --ct33_1818AP1 AC control boardSections 18AP1:1 to 18AP1:6 refer to the wiring diagram on page 8.The processor on the

S0740 800 179/E071123/P64-- 2 1 --ct33_1818AP1:2 CAN b u sBus communication circuitsThe circuit board includes a driver for the CAN bus, IC17, which h

S0740 800 179/E071123/P64-- 2 2 --ct33_1818AP1:3 Temperature monitoringPrinciple diagram of the temperature monitoring circuitsThe temperature monitor

S0740 800 179/E071123/P64-- 2 3 --ct33_1818AP1:5 Fan power supplyThe fan is supplied at 24 V DC from the power supply board,18AP1:6 Switch driverSee a

S0740 800 179/E071123/P64-- 2 4 --ct33_1818AP1 Component positions

S0740 800 179/E071123/P64-- 2 5 --ct33_1818AP2 AC power boardSections 18AP2:1 to 18AP2:3 refer to the wiring diagram on page 8.18AP2:1 Switching circu

S0740 800 179/E071123/P64-- 2 6 --ct33_1818AP2:2 Temperature monitoringSee 18AP1:3 on page 22.18AP2:3 Fan power supplySee 18AP1:5 on page 23.18AP2 Com

S0740 800 179/E071123/P64-- 2 7 --ct33_2020AP1 Control boardThe processor on the control board monitors and controls the various functions of the powe

S0740 800 179/E071123/P64-- 2 8 --ct33_20The voltage on terminal PS4 is normally about 24 V, when this drops below20 V, pin 14 of IC6 goes low, provid

S0740 800 179/E071123/P64LEDs on circuit board 20AP1-- 2 9 --ct33_2020AP1:2 The CAN busBus communication circuits to and from the control boardA stand

S0740 800 179/E071123/P64-- 3 --TOCeRights reserved to alter specifications without notice.SERVICE INSTRUCTIONS 42...

S0740 800 179/E071123/P64-- 3 0 --ct33_20S All screen connections must be sound. Measure the resistance betweenthe shell of the CAN connector connecte

S0740 800 179/E071123/P64-- 3 1 --ct33_2020AP1:5 Temperature monitoringThe thermal overload switches, 15ST1 and 15ST2, are normally closed.Terminal T2

S0740 800 179/E071123/P64-- 3 2 --ct33_2020AP1:7 Arc voltage feedbackThis circuit measures and scales the arc voltage to a suitable level for theproce

S0740 800 179/E071123/P64-- 3 3 --ct33_2020AP1:9 Welding process cont rolThe processor inputs are the set values of welding data and the arc voltage.T

S0740 800 179/E071123/P64-- 3 4 --ct33_2020AP1:10 Cooling unit controlStarting the welding equipment1. The welding data unit senses whether the water

S0740 800 179/E071123/P64-- 3 5 --ct33_2020AP1 Component positions

S0740 800 179/E071123/P64-- 3 6 --ct33f1REMOTE CONTROLSA number of remote control units can be connected to the power source, these aredescribed in a

S0740 800 179/E071123/P64-- 3 7 --ct33f1Code ACunitRemotecontrolunitPowersourceWeldingdataunitDescription20 High inductance in the welding circuit x*2

S0740 800 179/E071123/P64-- 3 8 --ct33f1Code Description, power source4 5 V power supply too lowThe unregulated power supply voltage (+24 V) is too lo

S0740 800 179/E071123/P64-- 3 9 --ct33f1AC unitCode Description, AC unit1 EPROM check sum error -- program memory errorCheck sum test of the program m

S0740 800 179/E071123/P64-- 4 --ct33_00READ THIS FIRSTMaintenance and repair work should be performed by an experienced person, andelectrical work onl

S0740 800 179/E071123/P64-- 4 0 --ct33f1Code Description, AC unit12 Communication error (warning)The load on the system CAN bus is temporarily too hig

S0740 800 179/E071123/P64-- 4 1 --ct33f1

S0740 800 179/E071123/P64-- 4 2 --cp02f2SER VICE INSTRUCTIONSWhat is ESD?A sudden transfer or discharge of static electricity from one object to anoth

S0740 800 179/E071123/P64-- 4 3 --cp02f2Antistatic service kitOrdering no. 0740 511 001The kit makes it easier to protect sensitvecomponents from elec

S0740 800 179/E071123/P64-- 4 4 --ct33f3semiChecking the semiconductor module of 15AP1Measuring points for the semiconductor module, PM1Disconnect the

S0740 800 179/E071123/P64-- 4 5 --ct33f3semi5. PM1, diode D3: measure between the positive of capacitor 15C1 and terminal T2.The forward voltage drop

S0740 800 179/E071123/P64-- 4 6 --emptypage0

S0740 800 179/E071123/P64-- 4 7 --ct33f3diodeChecking rectifier and freewheel diodes1. Disconnect the machine from the mains.2. Dismantle the housing

S0740 800 179/E071123/P64-- 4 8 --ct33f3acpwrChecking the IGBT modules of AC power board 18AP2Disconnect the machine from the mains and follow the ins

S0740 800 179/E071123/P64-- 4 9 --ct33f3acpwrComponent positions AC power board 18AP2, measuring points IGBT modules

S0740 800 179/E071123/P64-- 5 --ct33_00The power source is transistor --controlled, operating on the inverter principle. It consists of anumber of fun

S0740 800 179/E071123/P64-- 5 0 --ct33f3acpwrChecking the gate signals to AC power board 18AP2The gate voltage is +15 V when the IGBTs are conducting.

S0740 800 179/E071123/P64-- 5 1 --ct33f3acpwrComponent positions AC power board 18AP2, measuring points gate signals

S0740 800 179/E071123/P64-- 5 2 --emptypage

S0740 800 179/E071123/P64-- 5 3 --ct33f3gateChecking the gate pulsesWhen checking the gate pulses, the machine can either be in soft-- start mode or i

S0740 800 179/E071123/P64-- 5 4 --ct33f3softSoft startingWe recommend soft starting of the machine after replacing control circuit board 20AP1,power s

S0740 800 179/E071123/P64-- 5 5 --ct33f3soft8. Disconnect connector 15XS3 (supply to the fan) from terminal E of circuit board 2AP1.Connect the 24 V D

S0740 800 179/E071123/P64-- 5 6 --ct33a1heatMounting components on the heat sinkThermal pasteApply thermal conducting paste to the components before f

S0740 800 179/E071123/P64-- 5 7 --ct33a1heat15ST2 Thermal overload switch1. Clean the heat sink and apply thermal conducting paste to the thermaloverl

S0740 800 179/E071123/P64Rating plate withsupply connec-tion data-- 5 8 --ct33iINSTRUCTIONSThis chapter is an extract from the instruction manual for

S0740 800 179/E071123/P64-- 5 9 --ct33iOPERATIONConnections and control devices1 Connection for remote control unit 6 Connection for return cable2 Con

S0740 800 179/E071123/P64-- 6 --ct33_00Tig 2200i AC/DCOperating temperature -- 1 0 t o + 4 0 ˚CT ransportation temperature -- 2 5 t o + 5 5 ˚CConstant

S0740 800 179/E071123/P64-- 6 0 --ct33iTurning on the power sourceTurn on the mains power by turning the mains switch to the ”1” position.Turn the uni

S0740 800 179/E071123/P64-- 6 1 --ct33iWater cooler, assembly instructionsOnly those persons who have appropriate electrical knowledge (authorized per

S0740 800 179/E071123/P64-- 6 2 --ct33iFAULT--TRACINGTry these recommended checks and inspections before sending for an authorised servicetechnician.T

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ESAB ABSE--695 81 LAXÅSWEDENPhone +46 584 81 000www.esab.co m070514ESAB subsidiaries and representative officesEuropeAUSTRIAESAB Ges.m.b.HVienna--Lies

S0740 800 179/E071123/P64-- 7 --ct33_002QF1 Mains switch.2XS1 Flat pin sockets. Important: to obtain a proper electric connection, the completecord se

S0740 800 179/E071123/P64-- 8 --ct33_00T ig 2200i AC/DC

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