Troubleshooting - Truper SOT-250A Manual Del Usuario

Troubleshooting

Problem Cause
The welder machine • The primary winding is grounded.
cover is electrified. • The secondary winding is grounded.
• The primary and secondary winding are
making contact with the steel core.
• The input cable is in contact with the
housing.
Excessive noise when • Short circuit in the primary and secondary
starting. Blown fuse. winding.
• The cable adapters are in contact.
• The fuse is too small.
• The welding machine is set for 110 V~, but is
being connected to a voltage of 220 V~
Output current is very
• The input voltage is too low and undulates.
poor. There is no arc
• The welding machine cable is to thin and too
building or the arc is
long. The connection between the ground
not stable.
cable and the work piece is not correctly
fastened resulting in excessive resistance.
• The connection between the welding machine
cable and the output side of the converter is not
properly fastened resulting in excessive
resistance.
• Regulating screw and nut are worn.
The winding gets hot,
• There is overload when operating.
generates smoke and
the fuse blows.
• Partial short circuit in the primary and
secondary winding.
• The cooling fan is starting to fail.
• The welding machine is set for 110 V~, but is
being connected to a voltage of 220 V~
The arc is not starting
• No input voltage from the power source.
to build or is difficult
to start the arc after
• Switch is in the OFF position.
switching on the
• The input cable gauge is too small or the
welding machine.
welding machine cable is too long.
• Partial short circuit in the winding.
• The welding machine is set for 220 V~, but is
being connected to a voltage of 110 V~
The cooling fan is not
• The fan motor bobbin is burnt.
functioning correctly.
• There is no contact. Is disconnected.
Excessive noise when
• There is an uneven space between the mobile
welding.
iron core and the static iron core.
If the problems cannot be solved despite the corrective actions recommended,
contact a
Solution
• Go to a
Center to repair the welding machine.
• Go to a
Center to repair the welding machine.
• Set the cable in a position that will not make
contact with the welder machine housing.
Go to a
Center to repair the welding machine.
• Keep the cables separated.
• Replace the fuse with other with the capacity
adequate to the welding machine amperes.
• Connect as shown in the Instructions Manual.
• Adjust the input current into the rated value or
increase the main supply capacity.
• Increase the cable gauge in the welding machine
to get a solid connection between the ground cable
and the work piece.
• Double-check there is output connection in the
converter.
• Go to a
Center to repair the welding machine.
• Stop the operation. Star again after the winding
has cooled down.
• Go to a
Center to repair the welding machine.
• Replace the cooling fan.
• Connect accordingly with the Instructions Manual.
• Double-check the input energy switch, fuse and
input cable.
• Set the switch in the ON position.
• Use a higher gauge cable.
• Go to a
Center to repair the welding machine.
• Configure the connections on the connection
Board to match with the voltage to which the
welding machine will be connected.
• Go to a
Center to repair the welding machine.
• Check the cable to solve the fault.
• Go to a
Center to repair the welding machine.
Authorized Service Center
Authorized Service
Authorized Service
Authorized Service
Authorized Service
Authorized Service
Authorized Service
Authorized Service
Authorized Service
9
ENGLISH