HBS CD 2301, Руководство по эксплуатации, Страница: 35 / 70

CD 2301 Order No. BA 92-12-0231A Issue 05.01.10 35
5.9 Malfunctions and Corrective Actions
Malfunction Possible caus e Fault finding Corrective action Carrie d out by
Light signal of
primary sw itch does
not light Primary outlet defective Check primary outlet *) Replace primary outlet *) Qualified personnel
Primary cable broken Check primary cable *) Replace primary cable *) Qualified personnel
No LED display at the
front Fuse F4 10 AT defective Check primary fuse Replace primary fuse F4 on
the front plate of the pow er
unit Instructed personnel
Leads interrupted Check leads *) Replace leads *) Qualified personnel
No display No ground connection Check ground connection on
w orkpiece Tighten ground connection
properly Instructed personnel
Gun not connected Check gun connection Connect gun properly Instructed personnel
Transition resistance
(betw een stud and
w orkpiece) too high Check material surface Clean or grind material
surface Instructed personnel
Ground cable broken Check ground cable *) Replace ground cable *) Qualified personnel
Welding gun cable
broken Check w elding gun cable *) Replace w elding gun cable *) Qualified personnel
No display Defective connecting
line of w elding gun Check function of
connecting line *) Replace connecting line *) Qualified personnel
Welding gun trigger
button defective Check control cable for
electrical flow w ith triggered
start button *) Replace w elding gun trigger
button *) Qualified personnel
Control cable broken Check control cable for
electrical flow *) Replace control cable *) Qualified personnel
Continuously red
display: rEL Discharge relay
defective Sw itch off pow er unit; then
sw itch on after some
seconds; if the pow er unit is
still locked, sw itch off the
pow er unit - inform the
reponsible service
department If no mentioned actions are
successful, please contact
our service department Instructed personnel
Continuously red
display: SCr Main thyristor or control
defective Sw itch off pow er unit; then
sw itch on after some
seconds; if the pow er unit is
still locked, sw itch off the
pow er unit - inform the
reponsible service
department If no mentioned actions are
successful, please contact
our service department Instructed personnel
Continuously red
display: L ... F Charging error Wait w ith sw itched on
pow er unit until the
transformer has cooled
dow n. If the pow er unit then
still displays L ... F, inform
the responsible service
department If no mentioned actions are
successful, please contact
our service department Instructed personnel
Continuously red
display: F ... 4 Arrow keys sticking Check arrow keys Press arrow keys Instructed personnel
Continuously red
display: F ... 2 Welding sequence too
fast Let sw itched on pow er unit
cool dow n Pow er unit resets
automatically Instructed personnel
Gun does not lift, in
spite of ,
and No lift adjusted Check settings of w elding
gun Modify set parameters Instructed personnel
Short circuit of solenoid
circuit of the gun Check resistance value at
control cable (18
to 22 )
betw een Pin 1 and Pin 2 *)
Replace control cable, control
line, solenoid *) Qualified personnel
Solenoid defective Check solenoid (18 to
22 ) *)
Replace solenoid *) Qualified personnel
No display Solenoid circuit
interrupted Check resistance value at
control cable (18
Ω to 22 )
betw een Pin 1 and Pin 2 *)
Replace solenoid or control
line *) Qualified personnel
Actions marked with *) must only be carried out by qualified
electricians!
If none of the actions is successful, please contact our service
department.
5 Stud Welding Procedure
5.9 Malfunctions and Corrective Actions