HBS CD 2301 - Switching on the Power Unit

CD 2301 Order No. BA 92-12-0231A Issue 05.01.10 27
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