TABLE OF CONTENTS
HPR130 Manual Gas Instruction Manual ix
6
Error code troubleshooting – 10 of 10 .................................................................................................................................5-20
Power supply states................................................................................................................................................................................5-21
Plasma system operation with pump timeout....................................................................................................................................5-22
CNC operation with pump timeout .....................................................................................................................................................5-23
Initial checks..............................................................................................................................................................................................5-24
Power measurement ...............................................................................................................................................................................5-25
Power supply coolant system servicing..............................................................................................................................................5-26
Draining the coolant system. ......................................................................................................................................................5-26
Coolant system filter and strainer.........................................................................................................................................................5-27
Filter replacement..........................................................................................................................................................................5-27
Pump strainer cleaning...........................................................................................................................................................................5-27
Coolant flow troubleshooting chart .....................................................................................................................................................5-28
Coolant flow tests....................................................................................................................................................................................5-29
Before testing.................................................................................................................................................................................5-29
Using the Hypertherm flow meter (128933) ..........................................................................................................................5-29
Manual pump operation...............................................................................................................................................................5-30
Test 1 – return line......................................................................................................................................................................5-31
Test 2 – supply line at ignition console .................................................................................................................................5-31
Test 3 – change the torch.........................................................................................................................................................5-32
Test 4 – supply line to the torch receptacle.........................................................................................................................5-32
Test 5 – return line from the torch receptacle......................................................................................................................5-32
Test 6 – bucket test at the pump............................................................................................................................................5-33
Test 7 – bypass the check valve .............................................................................................................................................5-33
Pump and motor troubleshooting..............................................................................................................................................5-34
Testing the flow switch.................................................................................................................................................................5-35
Gas leak test procedure.........................................................................................................................................................................5-36
Power supply control board PCB3......................................................................................................................................................5-37
Power supply power distribution board PCB2.................................................................................................................................5-38
Start circuit PCB1...................................................................................................................................................................................5-39
Operation ........................................................................................................................................................................................5-40
Start circuit functional schematic ..............................................................................................................................................5-40
Start circuit troubleshooting .......................................................................................................................................................5-40
Pilot arc current levels..................................................................................................................................................................5-41
Gas console control board PCB2.......................................................................................................................................................5-42
Gas console power distribution board PCB1 ..................................................................................................................................5-43
Gas console AC valve-driver board PCB3........................................................................................................................................5-44
Chopper tests...........................................................................................................................................................................................5-45
Phase-loss detection test.......................................................................................................................................................................5-47
Torch lead test..........................................................................................................................................................................................5-48
Preventive maintenance .........................................................................................................................................................................5-49
Section 6 PARTS LIST ........................................................................................................................................................6-1
Power supply...............................................................................................................................................................................................6-2
Ignition console ..........................................................................................................................................................................................6-7
Gas console – 1 of 2.................................................................................................................................................................................6-8
Gas console – 2 of 2.................................................................................................................................................................................6-9
Off-valve........................................................................................................................................................................................................6-9
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