38
10 Faults and troubleshooting EX-TRAFIRE
®
105HD
H05 The electrode is not
separated from the nozzle
during the pilot arc.
Check for free movement of
the electrode and clean or
replace parts, if necessary.
H06
Excess
temperature
Fan is defective. Ensure that the fan is
running freely.
Replace fan or fan motor.
Duty cycle has been
exceeded.
Allow the power supply to
cool down.
Do not exceed the duty
cycle.
Insufficient ventilation. Verify sufficient space
around the power supply.
Components defective. Contact service or your
retailer.
H07
Excess current
Inverter overcurrent. Have the output diodes,
main transformer, and IGBT
on the inverter board
checked by a certified
electrician or trained
personnel.
H08
Arc does not
ignite when
trigger is
pressed or
CNC start
signal is on
The cutting torch is
missing or not connected.
Verify the proper cutting
torch is connected.
Consumables are loose,
incorrectly installed or
missing.
Verify that the consumables
are installed correctly and, if
necessary, re-install them
correctly or replace them.
Retaining cap is
incorrectly installed or
has been tightened too
tightly.
Verify that the retaining cap
is correctly installed,
re-install correctly and
tighten, if needed.
Consumables used are
not Thermacut
®
original
parts.
Use only Thermacut
®
original consumables.
H11 Missing phase. Have the issue checked by
a certified electrician or
trained personnel.
H14 Incorrect cutting torch. Verify the proper cutting
torch is connected.
Table 14 Fault messages in the display
Error code Cause Troubleshooting
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