Autowel NICE-350DT, Руководство пользователя

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6. Diagnosis and countermeasures
Order Status Cause Countermeasures
1 No reaction
Main NFB defect
Check service line
Check power supplied
Check and replace
2
FAN is running
but welder
doesn't
operate
Torch switch defect Replace switch
Warning lamp flickers
High temperature
(Use after certain
period of time)
Warning lamp is ON
continuously
Resistance wire
break due to
overcurrent
(Request A/S )
3
Gas is not
discharged
There is no gas or it is
not connected
Check
Solenoid valve defect Exchange
Control PCB error Request A/S
4
Gas is
discharged
continuously
Turn off the power
Remove foreign
substances from
the valve
Solenoid valve defect Exchange
Control PCB error Request A/S
Shortage of gas
Adjust gas
pressure
5
Start is not
smooth
Overage of gas
High frequency is not
generated
Request A/S
Circuit break of base
metal
Exchange
Torch defect