Hypertherm XPR170 - Page 281

Diagnostics and Troubleshooting
8
XPR170 Instruction Manual 810060 281
645
Info
System is off Power is supplied to the
cutting system and the
customer-supplied, remote
on-off switch is in the OFF
position (disabled).
No operator action necessary. XPR cutting system
operation continues when the remote on-off switch
is set to the ON position. Refer to Sequence of
operation on page 205.
None Start or set
process;
remote on-off
646
Info
System turned off Power is removed from the
XPR cutting system.
Shut down Start or set
process;
remote on-off
647
Info
Process selected Shows the operator-selected
process.
No operator action necessary. None Start or set
process;
remote on-off
654
Alert
CH1ArcOnTimeout During Ignite State, Chopper
1 does not enter Arc-On
State for at least 100
milliseconds.
1. Remove the power from the cutting system.
2. Restore electrical power to the cutting system.
3. Send a process command to the cutting
system.
4. If the code continues, contact your cutting
system supplier or regional Hypertherm
Technical Service team.
End of cycle Remote on-off
655
Alert
Current (DC)
preflow
During Preflow State, a
chopper finds current.
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. Examine the torch lead. Look for a short or open
line condition.
Shut down Start or set
process;
remote on-off
660
Error
Thermistor
Fault-Ind 1
The main control PCB finds a
shorted temperature sensor
in Inductor 1A.
Use a digital multimeter to measure the resistance
from the thermistor. Refer to How to measure
resistance from thermistors on page 336.
Shut down Remote on-off
661
Error
Thermistor
Fault-Ind 2
The main control PCB finds a
shorted temperature sensor
in Inductor 1B.
Shut down Remote on-off
Diagnostic code
number and
category
Diagnostic code
name
Description Corrective action XPR action
Code cancels
with