
CD 2301 Order No. BA 92-12-0231A Issue 05.01.10
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5.6
Switching on the Power Unit
Improper operation of the stud welding unit is
LIFE-THREATENING!
First read the safety instructions in chapters 1, 3 and 5.
Insert the primary plug of the power unit into an appropriate socket.
Switch on the power unit with the mains switch.
The condition of the welding unit is monitored after switching-on. The display shows
three bars and the following parameters are monitored:
– Deviation from usual charging time
– Unit temperature
– Defective thyristor
– Control discharge relay
If one of the above mentioned parameters deviates from the standard value, an error
message is displayed on the operating terminal, see section malfunctions and
corrective actions.
5 Stud Welding Procedure
5.6 Switching on the Power Unit