Hypertherm Powermax30 Service Manual - Manual (Page 9)

TABLE OF CONTENTS
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powermax30 Service Manual
Seguridad de toma a tierra .....................................................................................................................................1b-5
Seguridad de los equipos de gas comprimido ........................................................................................................1b-6
Los cilindros de gas pueden explotar si están dañados .........................................................................................1b-6
El ruido puede deteriorar la audición ......................................................................................................................1b-6
Operación de marcapasos y de audífonos .............................................................................................................1b-6
Un arco plasma puede dañar tubos congelados ....................................................................................................1b-6
Etiquetas de advertencia ........................................................................................................................................1b-7
Section 2 SPECIFICATIONS
Power supply ............................................................................................................................................................2-2
Dimensions and weight ....................................................................................................................................2-2
T30v torch ratings .....................................................................................................................................................2-3
Dimensions ......................................................................................................................................................2-3
Symbols and markings .............................................................................................................................................2-4
mark ...........................................................................................................................................................2-4
CE mark ...........................................................................................................................................................2-4
IEC symbols .....................................................................................................................................................2-4
Section 3 MAINTENANCE
Controls and indicators .............................................................................................................................................3-2
Front controls and LEDs ..................................................................................................................................3-2
Rear controls....................................................................................................................................................3-2
Theory of operation...................................................................................................................................................3-3
General ............................................................................................................................................................3-3
Functional description ......................................................................................................................................3-3
Sequence of operation .....................................................................................................................................3-4
Troubleshooting preparation .....................................................................................................................................3-5
Test equipment.................................................................................................................................................3-5
Troubleshooting procedures and sequence .....................................................................................................3-5
External inspection...........................................................................................................................................3-5
Internal inspection ............................................................................................................................................3-6
Initial resistance check..............................................................................................................................................3-7
Power supply overview .............................................................................................................................................3-8
Troubleshooting guide ..............................................................................................................................................3-9
Control board LEDs ................................................................................................................................................3-12
Use the Error and Reset LEDs to troubleshoot..............................................................................................3-13
System tests ...........................................................................................................................................................3-14
Test 1 – voltage input .....................................................................................................................................3-15
Test 2 – power board voltage checks.............................................................................................................3-16
Test 3 – VBUS and voltage balance...............................................................................................................3-17
Test 4 – solenoid valve...................................................................................................................................3-18
Test 5 – torch stuck open (TSO) ....................................................................................................................3-19
Test 6 – plasma start ......................................................................................................................................3-20
Test 7 – torch cap sensor ...............................................................................................................................3-20
Test 8 – fan.....................................................................................................................................................3-21
Test 9 – pressure switch.................................................................................................................................3-21