Hypertherm HSD130 HySpeed Plasma - Manual (Page 147)

HySpeed HSD130 RHF Instruction Manual 5-1
Section 5
MAINTENANCE
In this section:
Introduction ..................................................................................................................................................................................................5-2
Routine maintenance .................................................................................................................................................................................5-2
System description ....................................................................................................................................................................................5-3
Control and signal cables ..............................................................................................................................................................5-3
Sequence of operation..............................................................................................................................................................................5-4
PCB block diagram....................................................................................................................................................................................5-5
Error codes ..................................................................................................................................................................................................5-6
Error code troubleshooting – 1 of 8 ............................................................................................................................................5-7
Error code troubleshooting – 2 of 8............................................................................................................................................5-8
Error code troubleshooting – 3 of 8............................................................................................................................................5-9
Error code troubleshooting – 4 of 8 .........................................................................................................................................5-10
Error code troubleshooting – 5 of 8 .........................................................................................................................................5-11
Error code troubleshooting – 6 of 8 .........................................................................................................................................5-12
Error code troubleshooting – 7 of 8 .........................................................................................................................................5-13
Error code troubleshooting – 8 of 8 .........................................................................................................................................5-14
Power supply states ................................................................................................................................................................................5-15
Plasma system operation with pump timeout....................................................................................................................................5-16
CNC operation with pump timeout......................................................................................................................................................5-17
Initial checks..............................................................................................................................................................................................5-18
Automated diagnostic tests...................................................................................................................................................................5-19
Power measurement ...............................................................................................................................................................................5-20
Power supply coolant system servicing..............................................................................................................................................5-21
Draining the coolant system. ......................................................................................................................................................5-21
Coolant system filter replacement .......................................................................................................................................................5-22
Air filter replacement ...............................................................................................................................................................................5-23
Coolant flow test procedure..................................................................................................................................................................5-24
Testing the flow switch.................................................................................................................................................................5-25
Gas leak test procedure.........................................................................................................................................................................5-26
PCB4: Power supply control board ....................................................................................................................................................5-27
PCB3: Power supply power distribution board................................................................................................................................5-28
PCB2: Start circuit..................................................................................................................................................................................5-29
Operation ........................................................................................................................................................................................5-29
Start-circuit functional schematic ..............................................................................................................................................5-29
Start-circuit troubleshooting .......................................................................................................................................................5-29
Pilot arc current levels ..................................................................................................................................................................5-31
PCB2: Fuel-gas console control board..............................................................................................................................................5-32
PCB1: Fuel-gas console power distribution board .........................................................................................................................5-33
PCB3: Fuel-gas console AC valve-driver board...............................................................................................................................5-34
Chopper tests...........................................................................................................................................................................................5-35
Phase-loss detection test ......................................................................................................................................................................5-38
Torch lead test ..........................................................................................................................................................................................5-40
Preventive maintenance..........................................................................................................................................................................5-41