TABLE OF CONTENTS
HPR400XD Manual Gas Instruction Manual xi
System description ....................................................................................................................................................................................5-4
Control and signal cables ..............................................................................................................................................................5-4
Sequence of operation..............................................................................................................................................................................5-5
Gas system purge cycle ...........................................................................................................................................................................5-6
Gas system valve usage ...........................................................................................................................................................................5-6
Marking process...............................................................................................................................................................................5-8
Error codes ..................................................................................................................................................................................................5-9
Error code troubleshooting – 1 of 16....................................................................................................................................5-10
Error code troubleshooting – 2 of 16....................................................................................................................................5-11
Error code troubleshooting – 3 of 16....................................................................................................................................5-12
Error code troubleshooting – 4 of 16....................................................................................................................................5-13
Error code troubleshooting – 5 of 16....................................................................................................................................5-14
Error code troubleshooting – 6 of 16....................................................................................................................................5-15
Error code troubleshooting – 7 of 16....................................................................................................................................5-16
Error code troubleshooting – 8 of 16 ....................................................................................................................................5-17
Error code troubleshooting – 9 of 16....................................................................................................................................5-18
Error code troubleshooting – 10 of 16 .................................................................................................................................5-19
Error code troubleshooting – 11 of 16 .................................................................................................................................5-20
Error code troubleshooting – 12 of 16 .................................................................................................................................5-21
Error code troubleshooting – 13 of 16 .................................................................................................................................5-22
Error code troubleshooting – 14 of 16 .................................................................................................................................5-23
Error code troubleshooting – 15 of 16 .................................................................................................................................5-24
Error code troubleshooting – 16 of 16 .................................................................................................................................5-25
Power supply states................................................................................................................................................................................5-26
Plasma system operation with pump time-out ..................................................................................................................................5-27
CNC operation with pump time-out ....................................................................................................................................................5-28
Initial checks..............................................................................................................................................................................................5-29
Power measurement ...............................................................................................................................................................................5-30
Air filter element replacement ...............................................................................................................................................................5-31
Coolant system servicing.......................................................................................................................................................................5-32
Draining the coolant system. ......................................................................................................................................................5-32
Coolant system filter................................................................................................................................................................................5-33
Filter replacement..........................................................................................................................................................................5-33
Coolant flow troubleshooting chart .....................................................................................................................................................5-34
Coolant flow tests....................................................................................................................................................................................5-35
Before testing.................................................................................................................................................................................5-35
Bypass valve verification..............................................................................................................................................................5-36
Using the Hypertherm flow meter (128933) ..........................................................................................................................5-36
Manual pump operation ...............................................................................................................................................................5-37
Test 1 – return line......................................................................................................................................................................5-38
Test 2 – supply line at ignition console .................................................................................................................................5-38
Test 3 – change the torch.........................................................................................................................................................5-39
Test 4 – supply line to the torch receptacle.........................................................................................................................5-39
Test 5 – return line from the torch receptacle......................................................................................................................5-39
Test 6 – bucket test at the pump............................................................................................................................................5-40
Pump and motor troubleshooting..............................................................................................................................................5-41
Testing the flow sensor ................................................................................................................................................................5-41