Taurus MIG-250TD, Руководство по эксплуатации, Страница: 29 / 32

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4
Error indicator
light is lit, fan
operational
and digital
meter in good
order. No
no-load
voltage.
Overheated power supply
owing to insufficient
ventilation.
Improve ventilation
condition
Ambient temperature too
high.
Wait 5-10 minutes with no
welding to allow recovery.
Duty cycle exceeded.
Wait 5-10 minutes with no
welding to allow recovery.
5
No
heated-gas
delivery from
CO2
regulator.
Faulty CO2 regulator. Replace the regulator.
Broken or short-circuited
heating cable.
Repair or replace the
heating cable.
Faulty thermistor on the
power supply.
Replace the thermistor.
6
When torch
trigger is
pressed and
held, wire feed
is normal but
no gas flow.
No gas output from the hose. Inspect the gas hose.
Gas solenoid terminal
contacts are good, the
solenoid valve may be
defective.
Replace solenoid valve.
If problem persists after
replacement of solenoid
valve, the fault lies with the
control board.
Replace control board.
Blocked electric air socket
aperture blocked.
Remove blockage.
7
When torch
trigger is
pressed and
held, wire
feeder fails
and there is no
indication of
OCV.
Torch trigger is damaged. Replace trigger or torch.
Broken wire feeding control.
Repair the wire feeding
control cable.
Damaged control circuit
board.
Replace the control circuit
board.