HBS CDi 1502 - Page 51

51
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14 Troubleshooting
Fault Possible cause Fault localisation Fault remedy Performance
Continuously red
display:
EtA
Arrow keys sticking Check arrow keys Press arrow keys Trained personnel
Continuously red
display:
EtP
Device temperature
too fast
Let switched on stud
welding unit cool down
Stud welding unit
resets automatically
Trained personnel
Gun does not lift, in
spite of
,
and
No lift adjusted Check settings of wel-
ding gun
Modify set parameters Trained personnel
Short circuit of sole-
noid circuit of the gun
Check resistance value
at control cable connec-
tor (18 Ω to 22 Ω) bet-
ween Pin 1 and Pin 2*)
Replace control cable-
connector, control
cable and solenoid*)
Qualied specialists
Solenoid defective Check solenoid (18 Ω to
22 Ω)*)
Replace solenoid*) Qualied specialists
No
display
Magnetic circuit inter-
rupted
Check resistance value
at control cable connec-
tor (18 Ω to 22 Ω) bet-
ween Pin 1 and Pin 2*)
Replace solenoid or
control cable*)
Qualied specialists
Work marked with *) may only be carried out by qualied electricians!
 Please contact our Service department if none of the measures de-
scribed remedies the situation.
 Please use the form „Service & Support“ in the annex to send in the stud
welding unit.