Hypertherm XPR170 - Page 275

Diagnostics and Troubleshooting
8
XPR170 Instruction Manual 810060 275
555
Failure
DC exceeds
limit-Ch1
For a minimum of
10 milliseconds, the electric
current for Chopper 1 is more
than 170 A.
1. Examine the consumables. Replace the
consumables that have damage or excess wear.
2. Do a test for gas leaks. Replace the leaking
components if found.
3. Examine contactors. Replace the damaged
components if found.
4. Look for DC bus errors.
5. Make sureExamine the following components:
•Chopper
• Inductor
6. Replace the damaged chopper or inductor if
found.
7. Make sure that the arc remains on the
workpiece during XPR cutting system
operation.
8. If the code continues, contact your cutting
machine supplier or regional Hypertherm
Technical Service team.
Shut down Remote on-off
560
Error
Over temp-Ch1 The insulated-gate bipolar
transistor (IGBT) temperature
for Chopper 1 is more than
75°C (167°F).
Refer to Over temp diagnostic codes – Chopper
(560) and Coolant (587) on page 313.
Ramp down –
570
Alert
Start on Powerup The Plasma Start switch is in
the ON position before the
cutting systems goes into
Powerup State.
Refer to Start switch diagnostic codes (570 – 577)
on page 316.
None Start or set
process;
remote on-off
571
Alert
Start on wait-start The Plasma Start switch is in
the ON position before the
cutting system goes into
Wait-for-Start State.
None Start or set
process;
remote on-off
Diagnostic code
number and
category
Diagnostic code
name
Description Corrective action XPR action
Code cancels
with