Hypertherm XPR300 - Page 287

Diagnostics and Troubleshooting
8
XPR300 Instruction Manual 809480 287
623
Error
Ch1 DC at Idle Chopper 1 is in idle state and
the chopper current is more
than 10 A.
1. Look for 24 VDC from the power sources (J2
pins 1 – 3).
2. If you find 24 VDC from the power sources, the
chopper is bad.
3. Replace the chopper if necessary.
None Remote on-off
624
Error
Ch2 DC at Idle Chopper 2 is in idle state and
the chopper current is more
than 10 A.
1. Look for 24 VDC from the power sources (J2
pins 1 – 3).
2. If you find 24 VDC from the power sources, the
chopper is bad.
3. Replace the chopper if necessary.
None Remote on-off
626
Alert
No DC output-Ch1 For a minimum of
250 milliseconds after
Arc-On State starts,
Chopper 1 does not make
current.
This code is applicable only
for processes that start with
argon (Ar) gas.
1. Inspect the consumable parts for damage and
excess wear.
2. If any consumable part needs replacement,
refer to Install the consumables on page 133.
3. If the code continues, contact your cutting
machine supplier or regional Hypertherm
Technical Service team.
End of cycle Remote on-off
627
Error
No DC output-Ch2 No current produced within
250 milliseconds after
Arc-On State starts
1. Inspect the consumable parts for damage and
excess wear.
2. If any consumable part needs replacement,
refer to Install the consumables on page 133.
3. If the code continues, contact your cutting
machine supplier or regional Hypertherm
Technical Service team.
End of cycle Remote on-off
631
Failure
DC at wait-start The current in the work lead
is more than 5 A while the
XPR cutting system is in the
Wait-for-Start State.
Refer to Current sensor diagnostic codes (631) on
page 330.
Shut down Remote on-off
Diagnostic code
number and
category
Diagnostic code
name
Description Corrective action XPR action
Code cancels
with