Weldmax WEM221ACDC Operator'S Manual Download Page 1 | Manualshive

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Operators Manual

WEM221ACDC

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Summary of Contents for WEM221ACDC

Page 1: ...Operators Manual WEM221ACDC...

Page 2: ...protection devices of the line set off when the switch is activated and the machine does not go on Damaged power supply cable with short circuited wires Inverter is damaged Switch off the machine and...

Page 3: ...nel board 0015 and or Power board 0070 and or Inversion board 0071 are damaged Switch off the machine and disconnect the plug Connect the cables 0075 or if they are damaged replace them picture 7 Conn...

Page 4: ...valve wiring The solenoid valve control relay on the front panel is damaged No 24 V Solenoid valve is damaged Remove the gas connection Carry out a gas test on the front panel in the TIG pro cedure an...

Page 5: ...ne set The slope up and slope down are not cor rectly set Regulate in the correct way the slopes Otherwise reset the parameters and reset the machine Picture 9 The output voltage in MMA TIG is zero an...

Page 6: ...explode causing a short circuit most of the times If the extent of the short circuit is very high they become an open circuit To check the PFC of the switching power supply unit carry the following me...

Page 7: ...erter carry out the following measure ments with a diode tester Should there be a short circuit on one of these measure ments or an OL instead of a numeric value the power board must be replaced Make...

Page 8: ...a 19 di 35 EXPLANATION Make sure that the fan cables 24 V are correctly in serted 2 pin connector on the power board 2 pin connector on the fan Make sure that the output filter board 0074 cables are c...

Page 9: ...ways be measured Press S3 and S5 while switching on the machine until appears RECALL FACTORY SETUP After that confirm the parameter resets by pressing the S2 button Copper bar Probe Copper bar Probe M...

Page 10: ...st Update Letzte Veraenderung 23 04 2014 Rev1 pagina 21 di 35 EXPLANATION Check continuity with a diode tester between points A B of the power board and x y poles of the connector that goes to the fro...

Page 11: ...221 AC DC Ultima modifica Last Update Letzte Veraenderung 23 04 2014 Rev1 pagina 22 di 35 EXPLANATION 4 pin connector 24V PICTURE 11...

Page 12: ...221 AC DC Ultima modifica Last Update Letzte Veraenderung 23 04 2014 Rev1 pagina 35 di 35...

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