Hypertherm XPR170 - Page 273

Diagnostics and Troubleshooting
8
XPR170 Instruction Manual 810060 273
541
Error
Low flow
2-Coolant
For a minimum of 10 seconds
after the coolant flow rate
gets to 1.9 L/min (0.5
gal/min), the flow rate stays
less than 3.03 L/min (0.8
gal/min).
Refer to Low coolant flow codes (540 – 542) on
page 310.
Shut down Remote on-off
542
Failure
Low flow-Coolant For a minimum of 1 second,
the coolant flow rate is less
than 3.79 L/min (1 gal/min).
Shut down Remote on-off
543
Error
High flow
1-Coolant
For a minimum of 5 seconds
after the coolant pump stops,
the coolant flow rate is more
than 3.03 L/min (0.8 gal/min).
Refer to High coolant flow codes (543 – 544) on
page 312.
Shut down Set process;
remote on-off
544
Failure
High flow-Coolant For a minimum of 1 second,
the coolant flow rate is more
than 11.36 L/min
(3.0 gal/min). This code can
also occur when air is in the
line or when there is a torch
blow out.
Shut down Remote on-off
Diagnostic code
number and
category
Diagnostic code
name
Description Corrective action XPR action
Code cancels
with