-- 3 --TOCe
Rights reserved to alter specifications without notice.
REMOTE CONTROLS 50..............................................................
F AULT CODES 50....................................................................
SERVICE INSTRUCTIONS 50..........................................................
What is ESD? 50...................................................................
Service aid 51......................................................................
Exchange circuit boards 52.........................................................
Dismantling 53.....................................................................
Service traps 53....................................................................
Checking the IGBT transistors 54...................................................
Mounting components on the heat sink 55...........................................
Replacing MCB 2FU1 55............................................................
Checking the gate pulses 56........................................................
Pulses from circuit board 15AP2 to transistors 15Q1 and 15Q2 57.........................
Pulses from circuit board 20AP1 to circuit board 15AP2 58...............................
Soft starting 60....................................................................
Checking the overvoltage and undervoltage threshold values 62......................
Calibrating the current sensor signal 64.............................................
AristoMig, calibration of the arc voltage input 65.....................................
AristoTig & AristoArc, calibration of the arc voltage input 68..........................
Replacing TR1 on 15AP1 with new version of 2TC1 69................................
Electrical installation of built--in autotransformer 70..................................
INSTRUCTION MANUAL 71...........................................................
SAFETY 71........................................................................
INSTALLATION 72..................................................................
Lifting instructions 72..............................................................
Mains power supply 72.............................................................
Terminating resistor , AristoMig 73...................................................
OPERATION 73....................................................................
Connections and control devices, AristoMig U400 73.................................
Connections and control devices, AristoMig 400 74..................................
Connections and control devices, AristoArc 400 74..................................
Connections and control devices, AristoTig 400 75...................................
Turning on the power source 75....................................................
Fan control 76.....................................................................
Overheating protection 76..........................................................
Cooling unit 76....................................................................
Remote control unit 76.............................................................
MAINTENANCE 77.................................................................
Cleaning the air filter 77............................................................
Topping up the coolant 77..........................................................
SPARE PARTS 78....................................................................
NOTES
78...........................................................................
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