Weldtronic TM250C, Руководство по эксплуатации

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4.4 Electrical Trouble Shooting
In the event of equipment malfunction, contact an authorized service agent
The following operation requires sufficient professional knowledge on electric aspects and comprehensive
safety knowledge. Make sure the input cable of the machine is disconnected from the electricity supply and
wait for 5 minutes before removing the machine covers Before taking your unit for servicing, check the list
below.
Possible Reason Suggested Solution
There is output current when pushing the torch trigger to feed gas, but the wire feeder does notwork.
The control cable of the wire feeder is broken Get it repaired or replaced
The wire feeder is clogged. Unclog it.
The wire feeder fails. Repair it.
The control PCB or wire-feeder power PCB inside
the machine fails
Replace it.
When the torch trigger is pushed, there is gas output and the wire feeder works, but there is no output
current, and the protection LED is off.
The earth cable is not well connected with the
workpiece
Reconnect it.
The wire feeder cable is not well connected. Reconnect it.
The wire feeder or welding torch fails Repair the wire feeder or welding torch
No response when pushing the torch trigger and the protection LED is off
The welding torch is not well connected with the
wire feeder.
Reconnect it
The control cable of the wire feeder is not well
connected with the welding power supply
Reconnect it
The torch trigger fails. Repair or replace the welding torch.
The fan does not work or it works abnormally
The mains power supply or the mains supply
cable is not connected
Reconnect the mains supply cable
Phase failure Solve the phase failure problem.
The mains voltage is too low Welding can be carried out after the mains voltage recovers
There is no no-load voltage
The mains voltage is too low. Welding can be carried out after the mains voltage recovers.
Phase failure Solve the phase failure problem.
The no-load voltage is “0”, and the overheating LED is on.
Overheating protection It will recover automatically after the welding machine is cooled.
Other malfunction
Contact the service center of your distributor